diff --git a/crates/libs/metadata/src/reader.rs b/crates/libs/metadata/src/reader.rs
index 3445a7ad2b..b962c68eae 100644
--- a/crates/libs/metadata/src/reader.rs
+++ b/crates/libs/metadata/src/reader.rs
@@ -252,4 +252,4 @@ impl Reader {
 pub const REMAP_TYPES: [(TypeName, TypeName); 2] = [(TypeName::D2D_MATRIX_3X2_F, TypeName::Matrix3x2), (TypeName::D3DMATRIX, TypeName::Matrix4x4)];
 
 // TODO: get rid of at least the second tuple if not the whole thing.
-pub const CORE_TYPES: [(TypeName, Type); 11] = [(TypeName::GUID, Type::GUID), (TypeName::IUnknown, Type::IUnknown), (TypeName::HResult, Type::HRESULT), (TypeName::HRESULT, Type::HRESULT), (TypeName::HSTRING, Type::String), (TypeName::BSTR, Type::BSTR), (TypeName::IInspectable, Type::IInspectable), (TypeName::PSTR, Type::PSTR), (TypeName::PWSTR, Type::PWSTR), (TypeName::Type, Type::Type), (TypeName::CHAR, Type::U8)];
+pub const CORE_TYPES: [(TypeName, Type); 11] = [(TypeName::GUID, Type::GUID), (TypeName::IUnknown, Type::IUnknown), (TypeName::HResult, Type::HRESULT), (TypeName::HRESULT, Type::HRESULT), (TypeName::HSTRING, Type::String), (TypeName::BSTR, Type::BSTR), (TypeName::IInspectable, Type::IInspectable), (TypeName::PSTR, Type::PSTR), (TypeName::PWSTR, Type::PWSTR), (TypeName::Type, Type::Type), (TypeName::CHAR, Type::I8)];
diff --git a/crates/libs/sys/src/Windows/Wdk/Foundation/mod.rs b/crates/libs/sys/src/Windows/Wdk/Foundation/mod.rs
index 82e400bba6..ab5d2aa4f8 100644
--- a/crates/libs/sys/src/Windows/Wdk/Foundation/mod.rs
+++ b/crates/libs/sys/src/Windows/Wdk/Foundation/mod.rs
@@ -1516,8 +1516,8 @@ pub struct IRP {
     pub IoStatus: super::super::Win32::System::IO::IO_STATUS_BLOCK,
     pub RequestorMode: i8,
     pub PendingReturned: super::super::Win32::Foundation::BOOLEAN,
-    pub StackCount: u8,
-    pub CurrentLocation: u8,
+    pub StackCount: i8,
+    pub CurrentLocation: i8,
     pub Cancel: super::super::Win32::Foundation::BOOLEAN,
     pub CancelIrql: u8,
     pub ApcEnvironment: i8,
diff --git a/crates/libs/sys/src/Windows/Wdk/Graphics/Direct3D/mod.rs b/crates/libs/sys/src/Windows/Wdk/Graphics/Direct3D/mod.rs
index 3691b35782..83b53195da 100644
--- a/crates/libs/sys/src/Windows/Wdk/Graphics/Direct3D/mod.rs
+++ b/crates/libs/sys/src/Windows/Wdk/Graphics/Direct3D/mod.rs
@@ -15332,7 +15332,7 @@ pub struct OUTPUTDUPL_CONTEXT_DEBUG_INFO {
     pub AccumulatedPresents: u32,
     pub LastPresentTime: i64,
     pub LastMouseTime: i64,
-    pub ProcessName: [u8; 16],
+    pub ProcessName: [i8; 16],
 }
 impl ::core::marker::Copy for OUTPUTDUPL_CONTEXT_DEBUG_INFO {}
 impl ::core::clone::Clone for OUTPUTDUPL_CONTEXT_DEBUG_INFO {
diff --git a/crates/libs/sys/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs b/crates/libs/sys/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs
index a1b197f631..b070d6e0e7 100644
--- a/crates/libs/sys/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs
+++ b/crates/libs/sys/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs
@@ -4130,7 +4130,7 @@ pub struct NDIS_WMI_ENUM_ADAPTER {
     pub IfIndex: u32,
     pub NetLuid: super::super::super::Win32::NetworkManagement::Ndis::NET_LUID_LH,
     pub DeviceNameLength: u16,
-    pub DeviceName: [u8; 1],
+    pub DeviceName: [i8; 1],
 }
 #[cfg(feature = "Win32_NetworkManagement_Ndis")]
 impl ::core::marker::Copy for NDIS_WMI_ENUM_ADAPTER {}
diff --git a/crates/libs/sys/src/Windows/Wdk/Storage/FileSystem/mod.rs b/crates/libs/sys/src/Windows/Wdk/Storage/FileSystem/mod.rs
index 67fe027a87..9985035d50 100644
--- a/crates/libs/sys/src/Windows/Wdk/Storage/FileSystem/mod.rs
+++ b/crates/libs/sys/src/Windows/Wdk/Storage/FileSystem/mod.rs
@@ -832,8 +832,8 @@ pub mod Minifilters;
 ::windows_targets::link!("ntdll.dll" "system" #[doc = "Required features: `\"Win32_System_Kernel\"`"] fn RtlPrefixString(string1 : *const super::super::super::Win32::System::Kernel:: STRING, string2 : *const super::super::super::Win32::System::Kernel:: STRING, caseinsensitive : super::super::super::Win32::Foundation:: BOOLEAN) -> super::super::super::Win32::Foundation:: BOOLEAN);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlQueryPackageIdentity(tokenobject : *const ::core::ffi::c_void, packagefullname : ::windows_sys::core::PWSTR, packagesize : *mut usize, appid : ::windows_sys::core::PWSTR, appidsize : *mut usize, packaged : *mut super::super::super::Win32::Foundation:: BOOLEAN) -> super::super::super::Win32::Foundation:: NTSTATUS);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlQueryPackageIdentityEx(tokenobject : *const ::core::ffi::c_void, packagefullname : ::windows_sys::core::PWSTR, packagesize : *mut usize, appid : ::windows_sys::core::PWSTR, appidsize : *mut usize, dynamicid : *mut ::windows_sys::core::GUID, flags : *mut u64) -> super::super::super::Win32::Foundation:: NTSTATUS);
-::windows_targets::link!("ntdll.dll" "system" fn RtlQueryProcessPlaceholderCompatibilityMode() -> u8);
-::windows_targets::link!("ntdll.dll" "system" fn RtlQueryThreadPlaceholderCompatibilityMode() -> u8);
+::windows_targets::link!("ntdll.dll" "system" fn RtlQueryProcessPlaceholderCompatibilityMode() -> i8);
+::windows_targets::link!("ntdll.dll" "system" fn RtlQueryThreadPlaceholderCompatibilityMode() -> i8);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlRandom(seed : *mut u32) -> u32);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlRandomEx(seed : *mut u32) -> u32);
 #[cfg(feature = "Wdk_Foundation")]
@@ -849,8 +849,8 @@ pub mod Minifilters;
 ::windows_targets::link!("ntdll.dll" "system" #[doc = "Required features: `\"Win32_Security\"`"] fn RtlSetGroupSecurityDescriptor(securitydescriptor : super::super::super::Win32::Security:: PSECURITY_DESCRIPTOR, group : super::super::super::Win32::Foundation:: PSID, groupdefaulted : super::super::super::Win32::Foundation:: BOOLEAN) -> super::super::super::Win32::Foundation:: NTSTATUS);
 #[cfg(feature = "Win32_Security")]
 ::windows_targets::link!("ntdll.dll" "system" #[doc = "Required features: `\"Win32_Security\"`"] fn RtlSetOwnerSecurityDescriptor(securitydescriptor : super::super::super::Win32::Security:: PSECURITY_DESCRIPTOR, owner : super::super::super::Win32::Foundation:: PSID, ownerdefaulted : super::super::super::Win32::Foundation:: BOOLEAN) -> super::super::super::Win32::Foundation:: NTSTATUS);
-::windows_targets::link!("ntdll.dll" "system" fn RtlSetProcessPlaceholderCompatibilityMode(mode : u8) -> u8);
-::windows_targets::link!("ntdll.dll" "system" fn RtlSetThreadPlaceholderCompatibilityMode(mode : u8) -> u8);
+::windows_targets::link!("ntdll.dll" "system" fn RtlSetProcessPlaceholderCompatibilityMode(mode : i8) -> i8);
+::windows_targets::link!("ntdll.dll" "system" fn RtlSetThreadPlaceholderCompatibilityMode(mode : i8) -> i8);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlSubAuthorityCountSid(sid : super::super::super::Win32::Foundation:: PSID) -> *mut u8);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlSubAuthoritySid(sid : super::super::super::Win32::Foundation:: PSID, subauthority : u32) -> *mut u32);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlTimeToSecondsSince1980(time : *const i64, elapsedseconds : *mut u32) -> super::super::super::Win32::Foundation:: BOOLEAN);
@@ -2599,7 +2599,7 @@ pub struct FILE_FULL_EA_INFORMATION {
     pub Flags: u8,
     pub EaNameLength: u8,
     pub EaValueLength: u16,
-    pub EaName: [u8; 1],
+    pub EaName: [i8; 1],
 }
 impl ::core::marker::Copy for FILE_FULL_EA_INFORMATION {}
 impl ::core::clone::Clone for FILE_FULL_EA_INFORMATION {
@@ -2611,7 +2611,7 @@ impl ::core::clone::Clone for FILE_FULL_EA_INFORMATION {
 pub struct FILE_GET_EA_INFORMATION {
     pub NextEntryOffset: u32,
     pub EaNameLength: u8,
-    pub EaName: [u8; 1],
+    pub EaName: [i8; 1],
 }
 impl ::core::marker::Copy for FILE_GET_EA_INFORMATION {}
 impl ::core::clone::Clone for FILE_GET_EA_INFORMATION {
@@ -3189,7 +3189,7 @@ pub struct FILE_PIPE_PEEK_BUFFER {
     pub ReadDataAvailable: u32,
     pub NumberOfMessages: u32,
     pub MessageLength: u32,
-    pub Data: [u8; 1],
+    pub Data: [i8; 1],
 }
 impl ::core::marker::Copy for FILE_PIPE_PEEK_BUFFER {}
 impl ::core::clone::Clone for FILE_PIPE_PEEK_BUFFER {
@@ -3489,7 +3489,7 @@ impl ::core::clone::Clone for FILE_TIMESTAMPS {
 pub struct FILE_TRACKING_INFORMATION {
     pub DestinationFile: super::super::super::Win32::Foundation::HANDLE,
     pub ObjectInformationLength: u32,
-    pub ObjectInformation: [u8; 1],
+    pub ObjectInformation: [i8; 1],
 }
 impl ::core::marker::Copy for FILE_TRACKING_INFORMATION {}
 impl ::core::clone::Clone for FILE_TRACKING_INFORMATION {
diff --git a/crates/libs/sys/src/Windows/Wdk/System/SystemServices/mod.rs b/crates/libs/sys/src/Windows/Wdk/System/SystemServices/mod.rs
index 2e4162eaf7..d2b9c801a8 100644
--- a/crates/libs/sys/src/Windows/Wdk/System/SystemServices/mod.rs
+++ b/crates/libs/sys/src/Windows/Wdk/System/SystemServices/mod.rs
@@ -1575,7 +1575,7 @@
 ::windows_targets::link!("ntdll.dll" "system" fn RtlUnicodeToUTF8N(utf8stringdestination : ::windows_sys::core::PSTR, utf8stringmaxbytecount : u32, utf8stringactualbytecount : *mut u32, unicodestringsource : *const u16, unicodestringbytecount : u32) -> super::super::super::Win32::Foundation:: NTSTATUS);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlUpcaseUnicodeChar(sourcecharacter : u16) -> u16);
 ::windows_targets::link!("ntdll.dll" "system" fn RtlUpcaseUnicodeString(destinationstring : *mut super::super::super::Win32::Foundation:: UNICODE_STRING, sourcestring : *const super::super::super::Win32::Foundation:: UNICODE_STRING, allocatedestinationstring : super::super::super::Win32::Foundation:: BOOLEAN) -> super::super::super::Win32::Foundation:: NTSTATUS);
-::windows_targets::link!("ntdll.dll" "system" fn RtlUpperChar(character : u8) -> u8);
+::windows_targets::link!("ntdll.dll" "system" fn RtlUpperChar(character : i8) -> i8);
 #[cfg(feature = "Win32_System_Kernel")]
 ::windows_targets::link!("ntdll.dll" "system" #[doc = "Required features: `\"Win32_System_Kernel\"`"] fn RtlUpperString(destinationstring : *mut super::super::super::Win32::System::Kernel:: STRING, sourcestring : *const super::super::super::Win32::System::Kernel:: STRING));
 #[cfg(feature = "Win32_Security")]
@@ -5269,7 +5269,7 @@ impl ::core::clone::Clone for CM_EISA_SLOT_INFORMATION {
 pub struct CM_FLOPPY_DEVICE_DATA {
     pub Version: u16,
     pub Revision: u16,
-    pub Size: [u8; 8],
+    pub Size: [i8; 8],
     pub MaxDensity: u32,
     pub MountDensity: u32,
     pub StepRateHeadUnloadTime: u8,
@@ -14885,7 +14885,7 @@ pub struct RTL_BALANCED_LINKS {
     pub Parent: *mut RTL_BALANCED_LINKS,
     pub LeftChild: *mut RTL_BALANCED_LINKS,
     pub RightChild: *mut RTL_BALANCED_LINKS,
-    pub Balance: u8,
+    pub Balance: i8,
     pub Reserved: [u8; 3],
 }
 impl ::core::marker::Copy for RTL_BALANCED_LINKS {}
@@ -15156,7 +15156,7 @@ pub struct SOC_SUBSYSTEM_FAILURE_DETAILS {
     pub FirmwareVersion: u64,
     pub HardwareVersion: u64,
     pub UnifiedFailureRegionSize: u32,
-    pub UnifiedFailureRegion: [u8; 1],
+    pub UnifiedFailureRegion: [i8; 1],
 }
 impl ::core::marker::Copy for SOC_SUBSYSTEM_FAILURE_DETAILS {}
 impl ::core::clone::Clone for SOC_SUBSYSTEM_FAILURE_DETAILS {
@@ -15582,8 +15582,8 @@ impl ::core::clone::Clone for WHEA128A {
 #[repr(C)]
 pub struct WHEAP_ACPI_TIMEOUT_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub TableType: [u8; 32],
-    pub TableRequest: [u8; 32],
+    pub TableType: [i8; 32],
+    pub TableRequest: [i8; 32],
 }
 impl ::core::marker::Copy for WHEAP_ACPI_TIMEOUT_EVENT {}
 impl ::core::clone::Clone for WHEAP_ACPI_TIMEOUT_EVENT {
@@ -15692,7 +15692,7 @@ impl ::core::clone::Clone for WHEAP_CMCI_RESTART_EVENT {
 #[repr(C, packed(1))]
 pub struct WHEAP_CREATE_GENERIC_RECORD_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub Error: [u8; 32],
+    pub Error: [i8; 32],
     pub EntryCount: u32,
     pub Status: super::super::super::Win32::Foundation::NTSTATUS,
 }
@@ -15720,7 +15720,7 @@ impl ::core::clone::Clone for WHEAP_DEFERRED_EVENT {
 #[repr(C)]
 pub struct WHEAP_DEVICE_DRV_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub Function: [u8; 32],
+    pub Function: [i8; 32],
 }
 impl ::core::marker::Copy for WHEAP_DEVICE_DRV_EVENT {}
 impl ::core::clone::Clone for WHEAP_DEVICE_DRV_EVENT {
@@ -15814,7 +15814,7 @@ impl ::core::clone::Clone for WHEAP_ERR_SRC_ARRAY_INVALID_EVENT {
 pub struct WHEAP_ERR_SRC_INVALID_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
     pub ErrDescriptor: super::super::super::Win32::System::Diagnostics::Debug::WHEA_ERROR_SOURCE_DESCRIPTOR,
-    pub Error: [u8; 32],
+    pub Error: [i8; 32],
 }
 #[cfg(feature = "Win32_System_Diagnostics_Debug")]
 impl ::core::marker::Copy for WHEAP_ERR_SRC_INVALID_EVENT {}
@@ -15841,7 +15841,7 @@ impl ::core::clone::Clone for WHEAP_FOUND_ERROR_IN_BANK_EVENT {
 #[repr(C, packed(1))]
 pub struct WHEAP_GENERIC_ERR_MEM_MAP_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub MapReason: [u8; 32],
+    pub MapReason: [i8; 32],
     pub PhysicalAddress: u64,
     pub Length: u64,
 }
@@ -16002,7 +16002,7 @@ impl ::core::clone::Clone for WHEAP_PLUGIN_PFA_EVENT {
 #[repr(C, packed(1))]
 pub struct WHEAP_PROCESS_EINJ_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub Error: [u8; 32],
+    pub Error: [i8; 32],
     pub InjectionActionTableValid: super::super::super::Win32::Foundation::BOOLEAN,
     pub BeginInjectionInstructionCount: u32,
     pub GetTriggerErrorActionTableInstructionCount: u32,
@@ -16024,8 +16024,8 @@ impl ::core::clone::Clone for WHEAP_PROCESS_EINJ_EVENT {
 #[repr(C, packed(1))]
 pub struct WHEAP_PROCESS_HEST_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub Error: [u8; 32],
-    pub EntryType: [u8; 32],
+    pub Error: [i8; 32],
+    pub EntryType: [i8; 32],
     pub EntryIndex: u32,
     pub HestValid: super::super::super::Win32::Foundation::BOOLEAN,
     pub CmcCount: u32,
diff --git a/crates/libs/sys/src/Windows/Win32/Devices/Bluetooth/mod.rs b/crates/libs/sys/src/Windows/Win32/Devices/Bluetooth/mod.rs
index 2753c80719..34e1f1239d 100644
--- a/crates/libs/sys/src/Windows/Win32/Devices/Bluetooth/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Devices/Bluetooth/mod.rs
@@ -1198,7 +1198,7 @@ pub struct BTH_DEVICE_INFO {
     pub flags: u32,
     pub address: u64,
     pub classOfDevice: u32,
-    pub name: [u8; 248],
+    pub name: [i8; 248],
 }
 impl ::core::marker::Copy for BTH_DEVICE_INFO {}
 impl ::core::clone::Clone for BTH_DEVICE_INFO {
@@ -1572,7 +1572,7 @@ pub union SDP_ELEMENT_DATA_0 {
     pub int64: i64,
     pub int32: i32,
     pub int16: i16,
-    pub int8: u8,
+    pub int8: i8,
     pub uint128: SDP_ULARGE_INTEGER_16,
     pub uint64: u64,
     pub uint32: u32,
diff --git a/crates/libs/sys/src/Windows/Win32/Devices/Communication/mod.rs b/crates/libs/sys/src/Windows/Win32/Devices/Communication/mod.rs
index 8d7d13d787..bf343b6103 100644
--- a/crates/libs/sys/src/Windows/Win32/Devices/Communication/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Devices/Communication/mod.rs
@@ -26,7 +26,7 @@
 ::windows_targets::link!("kernel32.dll" "system" fn SetDefaultCommConfigA(lpszname : ::windows_sys::core::PCSTR, lpcc : *const COMMCONFIG, dwsize : u32) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("kernel32.dll" "system" fn SetDefaultCommConfigW(lpszname : ::windows_sys::core::PCWSTR, lpcc : *const COMMCONFIG, dwsize : u32) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("kernel32.dll" "system" fn SetupComm(hfile : super::super::Foundation:: HANDLE, dwinqueue : u32, dwoutqueue : u32) -> super::super::Foundation:: BOOL);
-::windows_targets::link!("kernel32.dll" "system" fn TransmitCommChar(hfile : super::super::Foundation:: HANDLE, cchar : u8) -> super::super::Foundation:: BOOL);
+::windows_targets::link!("kernel32.dll" "system" fn TransmitCommChar(hfile : super::super::Foundation:: HANDLE, cchar : i8) -> super::super::Foundation:: BOOL);
 #[cfg(feature = "Win32_System_IO")]
 ::windows_targets::link!("kernel32.dll" "system" #[doc = "Required features: `\"Win32_System_IO\"`"] fn WaitCommEvent(hfile : super::super::Foundation:: HANDLE, lpevtmask : *mut COMM_EVENT_MASK, lpoverlapped : *mut super::super::System::IO:: OVERLAPPED) -> super::super::Foundation:: BOOL);
 pub const CE_BREAK: CLEAR_COMM_ERROR_FLAGS = 16u32;
@@ -282,11 +282,11 @@ pub struct DCB {
     pub ByteSize: u8,
     pub Parity: DCB_PARITY,
     pub StopBits: DCB_STOP_BITS,
-    pub XonChar: u8,
-    pub XoffChar: u8,
-    pub ErrorChar: u8,
-    pub EofChar: u8,
-    pub EvtChar: u8,
+    pub XonChar: i8,
+    pub XoffChar: i8,
+    pub ErrorChar: i8,
+    pub EofChar: i8,
+    pub EvtChar: i8,
     pub wReserved1: u16,
 }
 impl ::core::marker::Copy for DCB {}
diff --git a/crates/libs/sys/src/Windows/Win32/Devices/DeviceAndDriverInstallation/mod.rs b/crates/libs/sys/src/Windows/Win32/Devices/DeviceAndDriverInstallation/mod.rs
index 3c81ff6d13..1d84d1295a 100644
--- a/crates/libs/sys/src/Windows/Win32/Devices/DeviceAndDriverInstallation/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Devices/DeviceAndDriverInstallation/mod.rs
@@ -2595,7 +2595,7 @@ pub struct CONFLICT_DETAILS_A {
     pub CD_dnDevInst: u32,
     pub CD_rdResDes: usize,
     pub CD_ulFlags: CM_CDFLAGS,
-    pub CD_szDescription: [u8; 260],
+    pub CD_szDescription: [i8; 260],
 }
 impl ::core::marker::Copy for CONFLICT_DETAILS_A {}
 impl ::core::clone::Clone for CONFLICT_DETAILS_A {
@@ -2892,7 +2892,7 @@ pub struct FILE_IN_CABINET_INFO_A {
     pub DosDate: u16,
     pub DosTime: u16,
     pub DosAttribs: u16,
-    pub FullTargetName: [u8; 260],
+    pub FullTargetName: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for FILE_IN_CABINET_INFO_A {}
@@ -2911,7 +2911,7 @@ pub struct FILE_IN_CABINET_INFO_A {
     pub DosDate: u16,
     pub DosTime: u16,
     pub DosAttribs: u16,
-    pub FullTargetName: [u8; 260],
+    pub FullTargetName: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for FILE_IN_CABINET_INFO_A {}
@@ -2964,7 +2964,7 @@ pub type HDEVINFO = isize;
 #[repr(C, packed(1))]
 pub struct HWPROFILEINFO_A {
     pub HWPI_ulHWProfile: u32,
-    pub HWPI_szFriendlyName: [u8; 80],
+    pub HWPI_szFriendlyName: [i8; 80],
     pub HWPI_dwFlags: u32,
 }
 impl ::core::marker::Copy for HWPROFILEINFO_A {}
@@ -3534,7 +3534,7 @@ impl ::core::clone::Clone for SP_ALTPLATFORM_INFO_V3_0 {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_BACKUP_QUEUE_PARAMS_V1_A {
     pub cbSize: u32,
-    pub FullInfPath: [u8; 260],
+    pub FullInfPath: [i8; 260],
     pub FilenameOffset: i32,
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
@@ -3549,7 +3549,7 @@ impl ::core::clone::Clone for SP_BACKUP_QUEUE_PARAMS_V1_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_BACKUP_QUEUE_PARAMS_V1_A {
     pub cbSize: u32,
-    pub FullInfPath: [u8; 260],
+    pub FullInfPath: [i8; 260],
     pub FilenameOffset: i32,
 }
 #[cfg(target_arch = "x86")]
@@ -3594,9 +3594,9 @@ impl ::core::clone::Clone for SP_BACKUP_QUEUE_PARAMS_V1_W {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_BACKUP_QUEUE_PARAMS_V2_A {
     pub cbSize: u32,
-    pub FullInfPath: [u8; 260],
+    pub FullInfPath: [i8; 260],
     pub FilenameOffset: i32,
-    pub ReinstallInstance: [u8; 260],
+    pub ReinstallInstance: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_BACKUP_QUEUE_PARAMS_V2_A {}
@@ -3610,9 +3610,9 @@ impl ::core::clone::Clone for SP_BACKUP_QUEUE_PARAMS_V2_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_BACKUP_QUEUE_PARAMS_V2_A {
     pub cbSize: u32,
-    pub FullInfPath: [u8; 260],
+    pub FullInfPath: [i8; 260],
     pub FilenameOffset: i32,
-    pub ReinstallInstance: [u8; 260],
+    pub ReinstallInstance: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_BACKUP_QUEUE_PARAMS_V2_A {}
@@ -3786,7 +3786,7 @@ impl ::core::clone::Clone for SP_DEVICE_INTERFACE_DATA {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_DEVICE_INTERFACE_DETAIL_DATA_A {
     pub cbSize: u32,
-    pub DevicePath: [u8; 1],
+    pub DevicePath: [i8; 1],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DEVICE_INTERFACE_DETAIL_DATA_A {}
@@ -3800,7 +3800,7 @@ impl ::core::clone::Clone for SP_DEVICE_INTERFACE_DETAIL_DATA_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_DEVICE_INTERFACE_DETAIL_DATA_A {
     pub cbSize: u32,
-    pub DevicePath: [u8; 1],
+    pub DevicePath: [i8; 1],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DEVICE_INTERFACE_DETAIL_DATA_A {}
@@ -3876,7 +3876,7 @@ pub struct SP_DEVINFO_LIST_DETAIL_DATA_A {
     pub cbSize: u32,
     pub ClassGuid: ::windows_sys::core::GUID,
     pub RemoteMachineHandle: super::super::Foundation::HANDLE,
-    pub RemoteMachineName: [u8; 263],
+    pub RemoteMachineName: [i8; 263],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DEVINFO_LIST_DETAIL_DATA_A {}
@@ -3892,7 +3892,7 @@ pub struct SP_DEVINFO_LIST_DETAIL_DATA_A {
     pub cbSize: u32,
     pub ClassGuid: ::windows_sys::core::GUID,
     pub RemoteMachineHandle: super::super::Foundation::HANDLE,
-    pub RemoteMachineName: [u8; 263],
+    pub RemoteMachineName: [i8; 263],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DEVINFO_LIST_DETAIL_DATA_A {}
@@ -3946,7 +3946,7 @@ pub struct SP_DEVINSTALL_PARAMS_A {
     pub FileQueue: *mut ::core::ffi::c_void,
     pub ClassInstallReserved: usize,
     pub Reserved: u32,
-    pub DriverPath: [u8; 260],
+    pub DriverPath: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DEVINSTALL_PARAMS_A {}
@@ -3968,7 +3968,7 @@ pub struct SP_DEVINSTALL_PARAMS_A {
     pub FileQueue: *mut ::core::ffi::c_void,
     pub ClassInstallReserved: usize,
     pub Reserved: u32,
-    pub DriverPath: [u8; 260],
+    pub DriverPath: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DEVINSTALL_PARAMS_A {}
@@ -4028,9 +4028,9 @@ pub struct SP_DRVINFO_DATA_V1_A {
     pub cbSize: u32,
     pub DriverType: u32,
     pub Reserved: usize,
-    pub Description: [u8; 256],
-    pub MfgName: [u8; 256],
-    pub ProviderName: [u8; 256],
+    pub Description: [i8; 256],
+    pub MfgName: [i8; 256],
+    pub ProviderName: [i8; 256],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DRVINFO_DATA_V1_A {}
@@ -4046,9 +4046,9 @@ pub struct SP_DRVINFO_DATA_V1_A {
     pub cbSize: u32,
     pub DriverType: u32,
     pub Reserved: usize,
-    pub Description: [u8; 256],
-    pub MfgName: [u8; 256],
-    pub ProviderName: [u8; 256],
+    pub Description: [i8; 256],
+    pub MfgName: [i8; 256],
+    pub ProviderName: [i8; 256],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DRVINFO_DATA_V1_A {}
@@ -4100,9 +4100,9 @@ pub struct SP_DRVINFO_DATA_V2_A {
     pub cbSize: u32,
     pub DriverType: u32,
     pub Reserved: usize,
-    pub Description: [u8; 256],
-    pub MfgName: [u8; 256],
-    pub ProviderName: [u8; 256],
+    pub Description: [i8; 256],
+    pub MfgName: [i8; 256],
+    pub ProviderName: [i8; 256],
     pub DriverDate: super::super::Foundation::FILETIME,
     pub DriverVersion: u64,
 }
@@ -4120,9 +4120,9 @@ pub struct SP_DRVINFO_DATA_V2_A {
     pub cbSize: u32,
     pub DriverType: u32,
     pub Reserved: usize,
-    pub Description: [u8; 256],
-    pub MfgName: [u8; 256],
-    pub ProviderName: [u8; 256],
+    pub Description: [i8; 256],
+    pub MfgName: [i8; 256],
+    pub ProviderName: [i8; 256],
     pub DriverDate: super::super::Foundation::FILETIME,
     pub DriverVersion: u64,
 }
@@ -4182,10 +4182,10 @@ pub struct SP_DRVINFO_DETAIL_DATA_A {
     pub CompatIDsOffset: u32,
     pub CompatIDsLength: u32,
     pub Reserved: usize,
-    pub SectionName: [u8; 256],
-    pub InfFileName: [u8; 260],
-    pub DrvDescription: [u8; 256],
-    pub HardwareID: [u8; 1],
+    pub SectionName: [i8; 256],
+    pub InfFileName: [i8; 260],
+    pub DrvDescription: [i8; 256],
+    pub HardwareID: [i8; 1],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DRVINFO_DETAIL_DATA_A {}
@@ -4203,10 +4203,10 @@ pub struct SP_DRVINFO_DETAIL_DATA_A {
     pub CompatIDsOffset: u32,
     pub CompatIDsLength: u32,
     pub Reserved: usize,
-    pub SectionName: [u8; 256],
-    pub InfFileName: [u8; 260],
-    pub DrvDescription: [u8; 256],
-    pub HardwareID: [u8; 1],
+    pub SectionName: [i8; 256],
+    pub InfFileName: [i8; 260],
+    pub DrvDescription: [i8; 256],
+    pub HardwareID: [i8; 1],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DRVINFO_DETAIL_DATA_A {}
@@ -4452,9 +4452,9 @@ impl ::core::clone::Clone for SP_INF_INFORMATION {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_INF_SIGNER_INFO_V1_A {
     pub cbSize: u32,
-    pub CatalogFile: [u8; 260],
-    pub DigitalSigner: [u8; 260],
-    pub DigitalSignerVersion: [u8; 260],
+    pub CatalogFile: [i8; 260],
+    pub DigitalSigner: [i8; 260],
+    pub DigitalSignerVersion: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_INF_SIGNER_INFO_V1_A {}
@@ -4468,9 +4468,9 @@ impl ::core::clone::Clone for SP_INF_SIGNER_INFO_V1_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_INF_SIGNER_INFO_V1_A {
     pub cbSize: u32,
-    pub CatalogFile: [u8; 260],
-    pub DigitalSigner: [u8; 260],
-    pub DigitalSignerVersion: [u8; 260],
+    pub CatalogFile: [i8; 260],
+    pub DigitalSigner: [i8; 260],
+    pub DigitalSignerVersion: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_INF_SIGNER_INFO_V1_A {}
@@ -4516,9 +4516,9 @@ impl ::core::clone::Clone for SP_INF_SIGNER_INFO_V1_W {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_INF_SIGNER_INFO_V2_A {
     pub cbSize: u32,
-    pub CatalogFile: [u8; 260],
-    pub DigitalSigner: [u8; 260],
-    pub DigitalSignerVersion: [u8; 260],
+    pub CatalogFile: [i8; 260],
+    pub DigitalSigner: [i8; 260],
+    pub DigitalSignerVersion: [i8; 260],
     pub SignerScore: u32,
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
@@ -4533,9 +4533,9 @@ impl ::core::clone::Clone for SP_INF_SIGNER_INFO_V2_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_INF_SIGNER_INFO_V2_A {
     pub cbSize: u32,
-    pub CatalogFile: [u8; 260],
-    pub DigitalSigner: [u8; 260],
-    pub DigitalSignerVersion: [u8; 260],
+    pub CatalogFile: [i8; 260],
+    pub DigitalSigner: [i8; 260],
+    pub DigitalSignerVersion: [i8; 260],
     pub SignerScore: u32,
 }
 #[cfg(target_arch = "x86")]
@@ -4674,8 +4674,8 @@ impl ::core::clone::Clone for SP_NEWDEVICEWIZARD_DATA {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_ORIGINAL_FILE_INFO_A {
     pub cbSize: u32,
-    pub OriginalInfName: [u8; 260],
-    pub OriginalCatalogName: [u8; 260],
+    pub OriginalInfName: [i8; 260],
+    pub OriginalCatalogName: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_ORIGINAL_FILE_INFO_A {}
@@ -4689,8 +4689,8 @@ impl ::core::clone::Clone for SP_ORIGINAL_FILE_INFO_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_ORIGINAL_FILE_INFO_A {
     pub cbSize: u32,
-    pub OriginalInfName: [u8; 260],
-    pub OriginalCatalogName: [u8; 260],
+    pub OriginalInfName: [i8; 260],
+    pub OriginalCatalogName: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_ORIGINAL_FILE_INFO_A {}
@@ -4733,7 +4733,7 @@ impl ::core::clone::Clone for SP_ORIGINAL_FILE_INFO_W {
 #[repr(C)]
 pub struct SP_POWERMESSAGEWAKE_PARAMS_A {
     pub ClassInstallHeader: SP_CLASSINSTALL_HEADER,
-    pub PowerMessageWake: [u8; 512],
+    pub PowerMessageWake: [i8; 512],
 }
 impl ::core::marker::Copy for SP_POWERMESSAGEWAKE_PARAMS_A {}
 impl ::core::clone::Clone for SP_POWERMESSAGEWAKE_PARAMS_A {
@@ -4930,10 +4930,10 @@ impl ::core::clone::Clone for SP_REMOVEDEVICE_PARAMS {
 #[repr(C)]
 pub struct SP_SELECTDEVICE_PARAMS_A {
     pub ClassInstallHeader: SP_CLASSINSTALL_HEADER,
-    pub Title: [u8; 60],
-    pub Instructions: [u8; 256],
-    pub ListLabel: [u8; 30],
-    pub SubTitle: [u8; 256],
+    pub Title: [i8; 60],
+    pub Instructions: [i8; 256],
+    pub ListLabel: [i8; 30],
+    pub SubTitle: [i8; 256],
     pub Reserved: [u8; 2],
 }
 impl ::core::marker::Copy for SP_SELECTDEVICE_PARAMS_A {}
@@ -4979,8 +4979,8 @@ impl ::core::clone::Clone for SP_SELECTDEVICE_PARAMS_W {
 #[repr(C)]
 pub struct SP_TROUBLESHOOTER_PARAMS_A {
     pub ClassInstallHeader: SP_CLASSINSTALL_HEADER,
-    pub ChmFile: [u8; 260],
-    pub HtmlTroubleShooter: [u8; 260],
+    pub ChmFile: [i8; 260],
+    pub HtmlTroubleShooter: [i8; 260],
 }
 impl ::core::marker::Copy for SP_TROUBLESHOOTER_PARAMS_A {}
 impl ::core::clone::Clone for SP_TROUBLESHOOTER_PARAMS_A {
diff --git a/crates/libs/sys/src/Windows/Win32/Devices/Display/mod.rs b/crates/libs/sys/src/Windows/Win32/Devices/Display/mod.rs
index aac56b5929..dfb0b147fb 100644
--- a/crates/libs/sys/src/Windows/Win32/Devices/Display/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Devices/Display/mod.rs
@@ -3590,8 +3590,8 @@ impl ::core::clone::Clone for TYPE1_FONT {
 }
 #[repr(C)]
 pub struct VGA_CHAR {
-    pub Char: u8,
-    pub Attributes: u8,
+    pub Char: i8,
+    pub Attributes: i8,
 }
 impl ::core::marker::Copy for VGA_CHAR {}
 impl ::core::clone::Clone for VGA_CHAR {
diff --git a/crates/libs/sys/src/Windows/Win32/Devices/Fax/mod.rs b/crates/libs/sys/src/Windows/Win32/Devices/Fax/mod.rs
index 3ec379eef3..4487c3795e 100644
--- a/crates/libs/sys/src/Windows/Win32/Devices/Fax/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Devices/Fax/mod.rs
@@ -678,7 +678,7 @@ impl ::core::clone::Clone for FAX_CONFIGURATIONW {
 pub struct FAX_CONTEXT_INFOA {
     pub SizeOfStruct: u32,
     pub hDC: super::super::Graphics::Gdi::HDC,
-    pub ServerName: [u8; 16],
+    pub ServerName: [i8; 16],
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
 impl ::core::marker::Copy for FAX_CONTEXT_INFOA {}
diff --git a/crates/libs/sys/src/Windows/Win32/Devices/HumanInterfaceDevice/mod.rs b/crates/libs/sys/src/Windows/Win32/Devices/HumanInterfaceDevice/mod.rs
index aacfe11bf3..39b422ed6c 100644
--- a/crates/libs/sys/src/Windows/Win32/Devices/HumanInterfaceDevice/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Devices/HumanInterfaceDevice/mod.rs
@@ -2646,7 +2646,7 @@ pub struct DIACTIONFORMATA {
     pub hInstString: super::super::Foundation::HINSTANCE,
     pub ftTimeStamp: super::super::Foundation::FILETIME,
     pub dwCRC: u32,
-    pub tszActionMap: [u8; 260],
+    pub tszActionMap: [i8; 260],
 }
 impl ::core::marker::Copy for DIACTIONFORMATA {}
 impl ::core::clone::Clone for DIACTIONFORMATA {
@@ -2846,7 +2846,7 @@ impl ::core::clone::Clone for DIDEVCAPS_DX3 {
 }
 #[repr(C)]
 pub struct DIDEVICEIMAGEINFOA {
-    pub tszImagePath: [u8; 260],
+    pub tszImagePath: [i8; 260],
     pub dwFlags: u32,
     pub dwViewID: u32,
     pub rcOverlay: super::super::Foundation::RECT,
@@ -2922,8 +2922,8 @@ pub struct DIDEVICEINSTANCEA {
     pub guidInstance: ::windows_sys::core::GUID,
     pub guidProduct: ::windows_sys::core::GUID,
     pub dwDevType: u32,
-    pub tszInstanceName: [u8; 260],
-    pub tszProductName: [u8; 260],
+    pub tszInstanceName: [i8; 260],
+    pub tszProductName: [i8; 260],
     pub guidFFDriver: ::windows_sys::core::GUID,
     pub wUsagePage: u16,
     pub wUsage: u16,
@@ -2958,8 +2958,8 @@ pub struct DIDEVICEINSTANCE_DX3A {
     pub guidInstance: ::windows_sys::core::GUID,
     pub guidProduct: ::windows_sys::core::GUID,
     pub dwDevType: u32,
-    pub tszInstanceName: [u8; 260],
-    pub tszProductName: [u8; 260],
+    pub tszInstanceName: [i8; 260],
+    pub tszProductName: [i8; 260],
 }
 impl ::core::marker::Copy for DIDEVICEINSTANCE_DX3A {}
 impl ::core::clone::Clone for DIDEVICEINSTANCE_DX3A {
@@ -3016,7 +3016,7 @@ pub struct DIDEVICEOBJECTINSTANCEA {
     pub dwOfs: u32,
     pub dwType: u32,
     pub dwFlags: u32,
-    pub tszName: [u8; 260],
+    pub tszName: [i8; 260],
     pub dwFFMaxForce: u32,
     pub dwFFForceResolution: u32,
     pub wCollectionNumber: u16,
@@ -3064,7 +3064,7 @@ pub struct DIDEVICEOBJECTINSTANCE_DX3A {
     pub dwOfs: u32,
     pub dwType: u32,
     pub dwFlags: u32,
-    pub tszName: [u8; 260],
+    pub tszName: [i8; 260],
 }
 impl ::core::marker::Copy for DIDEVICEOBJECTINSTANCE_DX3A {}
 impl ::core::clone::Clone for DIDEVICEOBJECTINSTANCE_DX3A {
@@ -3156,7 +3156,7 @@ pub struct DIEFFECTINFOA {
     pub dwEffType: u32,
     pub dwStaticParams: u32,
     pub dwDynamicParams: u32,
-    pub tszName: [u8; 260],
+    pub tszName: [i8; 260],
 }
 impl ::core::marker::Copy for DIEFFECTINFOA {}
 impl ::core::clone::Clone for DIEFFECTINFOA {
@@ -3258,7 +3258,7 @@ pub struct DIFILEEFFECT {
     pub dwSize: u32,
     pub GuidEffect: ::windows_sys::core::GUID,
     pub lpDiEffect: *mut DIEFFECT,
-    pub szFriendlyName: [u8; 260],
+    pub szFriendlyName: [i8; 260],
 }
 impl ::core::marker::Copy for DIFILEEFFECT {}
 impl ::core::clone::Clone for DIFILEEFFECT {
diff --git a/crates/libs/sys/src/Windows/Win32/Devices/Tapi/mod.rs b/crates/libs/sys/src/Windows/Win32/Devices/Tapi/mod.rs
index 87dce62eb6..a07838891c 100644
--- a/crates/libs/sys/src/Windows/Win32/Devices/Tapi/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Devices/Tapi/mod.rs
@@ -2022,9 +2022,9 @@ pub type TERMINAL_STATE = i32;
 pub type TERMINAL_TYPE = i32;
 #[repr(C)]
 pub struct ADDRALIAS {
-    pub rgchName: [u8; 41],
-    pub rgchEName: [u8; 11],
-    pub rgchSrvr: [u8; 12],
+    pub rgchName: [i8; 41],
+    pub rgchEName: [i8; 11],
+    pub rgchSrvr: [i8; 12],
     pub dibDetail: u32,
     pub r#type: u16,
 }
@@ -3387,10 +3387,10 @@ impl ::core::clone::Clone for LINEQUEUELIST {
 }
 #[repr(C)]
 pub struct LINEREQMAKECALL {
-    pub szDestAddress: [u8; 80],
-    pub szAppName: [u8; 40],
-    pub szCalledParty: [u8; 40],
-    pub szComment: [u8; 80],
+    pub szDestAddress: [i8; 80],
+    pub szAppName: [i8; 40],
+    pub szCalledParty: [i8; 40],
+    pub szComment: [i8; 80],
 }
 impl ::core::marker::Copy for LINEREQMAKECALL {}
 impl ::core::clone::Clone for LINEREQMAKECALL {
@@ -3415,14 +3415,14 @@ impl ::core::clone::Clone for LINEREQMAKECALLW {
 pub struct LINEREQMEDIACALL {
     pub hWnd: super::super::Foundation::HWND,
     pub wRequestID: super::super::Foundation::WPARAM,
-    pub szDeviceClass: [u8; 40],
+    pub szDeviceClass: [i8; 40],
     pub ucDeviceID: [u8; 40],
     pub dwSize: u32,
     pub dwSecure: u32,
-    pub szDestAddress: [u8; 80],
-    pub szAppName: [u8; 40],
-    pub szCalledParty: [u8; 40],
-    pub szComment: [u8; 80],
+    pub szDestAddress: [i8; 80],
+    pub szAppName: [i8; 40],
+    pub szCalledParty: [i8; 40],
+    pub szComment: [i8; 80],
 }
 impl ::core::marker::Copy for LINEREQMEDIACALL {}
 impl ::core::clone::Clone for LINEREQMEDIACALL {
@@ -3681,7 +3681,7 @@ impl ::core::clone::Clone for NSID {
 #[repr(C)]
 pub union NSID_0 {
     pub alias: ADDRALIAS,
-    pub rgchInterNet: [u8; 1],
+    pub rgchInterNet: [i8; 1],
 }
 impl ::core::marker::Copy for NSID_0 {}
 impl ::core::clone::Clone for NSID_0 {
diff --git a/crates/libs/sys/src/Windows/Win32/Globalization/mod.rs b/crates/libs/sys/src/Windows/Win32/Globalization/mod.rs
index 5e9dd95454..933718525a 100644
--- a/crates/libs/sys/src/Windows/Win32/Globalization/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Globalization/mod.rs
@@ -4490,7 +4490,7 @@ pub struct CPINFOEXA {
     pub LeadByte: [u8; 12],
     pub UnicodeDefaultChar: u16,
     pub CodePage: u32,
-    pub CodePageName: [u8; 260],
+    pub CodePageName: [i8; 260],
 }
 impl ::core::marker::Copy for CPINFOEXA {}
 impl ::core::clone::Clone for CPINFOEXA {
diff --git a/crates/libs/sys/src/Windows/Win32/Graphics/Gdi/mod.rs b/crates/libs/sys/src/Windows/Win32/Graphics/Gdi/mod.rs
index bc0f19f5d3..a9bca81360 100644
--- a/crates/libs/sys/src/Windows/Win32/Graphics/Gdi/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Graphics/Gdi/mod.rs
@@ -2651,11 +2651,11 @@ impl ::core::clone::Clone for DIBSECTION {
 #[repr(C)]
 pub struct DISPLAY_DEVICEA {
     pub cb: u32,
-    pub DeviceName: [u8; 32],
-    pub DeviceString: [u8; 128],
+    pub DeviceName: [i8; 32],
+    pub DeviceString: [i8; 128],
     pub StateFlags: u32,
-    pub DeviceID: [u8; 128],
-    pub DeviceKey: [u8; 128],
+    pub DeviceID: [i8; 128],
+    pub DeviceKey: [i8; 128],
 }
 impl ::core::marker::Copy for DISPLAY_DEVICEA {}
 impl ::core::clone::Clone for DISPLAY_DEVICEA {
@@ -4015,7 +4015,7 @@ pub struct LOGFONTA {
     pub lfClipPrecision: FONT_CLIP_PRECISION,
     pub lfQuality: FONT_QUALITY,
     pub lfPitchAndFamily: u8,
-    pub lfFaceName: [u8; 32],
+    pub lfFaceName: [i8; 32],
 }
 impl ::core::marker::Copy for LOGFONTA {}
 impl ::core::clone::Clone for LOGFONTA {
@@ -4127,7 +4127,7 @@ impl ::core::clone::Clone for MONITORINFO {
 #[repr(C)]
 pub struct MONITORINFOEXA {
     pub monitorInfo: MONITORINFO,
-    pub szDevice: [u8; 32],
+    pub szDevice: [i8; 32],
 }
 impl ::core::marker::Copy for MONITORINFOEXA {}
 impl ::core::clone::Clone for MONITORINFOEXA {
@@ -4438,7 +4438,7 @@ impl ::core::clone::Clone for RGBTRIPLE {
 #[repr(C)]
 pub struct RGNDATA {
     pub rdh: RGNDATAHEADER,
-    pub Buffer: [u8; 1],
+    pub Buffer: [i8; 1],
 }
 impl ::core::marker::Copy for RGNDATA {}
 impl ::core::clone::Clone for RGNDATA {
diff --git a/crates/libs/sys/src/Windows/Win32/Graphics/Printing/mod.rs b/crates/libs/sys/src/Windows/Win32/Graphics/Printing/mod.rs
index afe5255b9d..996ca38bed 100644
--- a/crates/libs/sys/src/Windows/Win32/Graphics/Printing/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Graphics/Printing/mod.rs
@@ -2293,7 +2293,7 @@ pub struct CORE_PRINTER_DRIVERA {
     pub CoreDriverGUID: ::windows_sys::core::GUID,
     pub ftDriverDate: super::super::Foundation::FILETIME,
     pub dwlDriverVersion: u64,
-    pub szPackageID: [u8; 260],
+    pub szPackageID: [i8; 260],
 }
 impl ::core::marker::Copy for CORE_PRINTER_DRIVERA {}
 impl ::core::clone::Clone for CORE_PRINTER_DRIVERA {
diff --git a/crates/libs/sys/src/Windows/Win32/Media/Audio/mod.rs b/crates/libs/sys/src/Windows/Win32/Media/Audio/mod.rs
index 28789411ae..7944b86b63 100644
--- a/crates/libs/sys/src/Windows/Win32/Media/Audio/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Media/Audio/mod.rs
@@ -963,11 +963,11 @@ pub struct ACMDRIVERDETAILSA {
     pub cFormatTags: u32,
     pub cFilterTags: u32,
     pub hicon: super::super::UI::WindowsAndMessaging::HICON,
-    pub szShortName: [u8; 32],
-    pub szLongName: [u8; 128],
-    pub szCopyright: [u8; 80],
-    pub szLicensing: [u8; 128],
-    pub szFeatures: [u8; 512],
+    pub szShortName: [i8; 32],
+    pub szLongName: [i8; 128],
+    pub szCopyright: [i8; 80],
+    pub szLicensing: [i8; 128],
+    pub szFeatures: [i8; 512],
 }
 #[cfg(feature = "Win32_UI_WindowsAndMessaging")]
 impl ::core::marker::Copy for ACMDRIVERDETAILSA {}
@@ -1127,8 +1127,8 @@ pub struct ACMFILTERCHOOSEA {
     pub pwfltr: *mut WAVEFILTER,
     pub cbwfltr: u32,
     pub pszTitle: ::windows_sys::core::PCSTR,
-    pub szFilterTag: [u8; 48],
-    pub szFilter: [u8; 128],
+    pub szFilterTag: [i8; 48],
+    pub szFilter: [i8; 128],
     pub pszName: ::windows_sys::core::PSTR,
     pub cchName: u32,
     pub fdwEnum: u32,
@@ -1177,7 +1177,7 @@ pub struct ACMFILTERDETAILSA {
     pub fdwSupport: u32,
     pub pwfltr: *mut WAVEFILTER,
     pub cbwfltr: u32,
-    pub szFilter: [u8; 128],
+    pub szFilter: [i8; 128],
 }
 impl ::core::marker::Copy for ACMFILTERDETAILSA {}
 impl ::core::clone::Clone for ACMFILTERDETAILSA {
@@ -1209,7 +1209,7 @@ pub struct ACMFILTERTAGDETAILSA {
     pub cbFilterSize: u32,
     pub fdwSupport: u32,
     pub cStandardFilters: u32,
-    pub szFilterTag: [u8; 48],
+    pub szFilterTag: [i8; 48],
 }
 impl ::core::marker::Copy for ACMFILTERTAGDETAILSA {}
 impl ::core::clone::Clone for ACMFILTERTAGDETAILSA {
@@ -1241,8 +1241,8 @@ pub struct ACMFORMATCHOOSEA {
     pub pwfx: *mut WAVEFORMATEX,
     pub cbwfx: u32,
     pub pszTitle: ::windows_sys::core::PCSTR,
-    pub szFormatTag: [u8; 48],
-    pub szFormat: [u8; 128],
+    pub szFormatTag: [i8; 48],
+    pub szFormat: [i8; 128],
     pub pszName: ::windows_sys::core::PSTR,
     pub cchName: u32,
     pub fdwEnum: u32,
@@ -1291,7 +1291,7 @@ pub struct ACMFORMATDETAILSA {
     pub fdwSupport: u32,
     pub pwfx: *mut WAVEFORMATEX,
     pub cbwfx: u32,
-    pub szFormat: [u8; 128],
+    pub szFormat: [i8; 128],
 }
 impl ::core::marker::Copy for ACMFORMATDETAILSA {}
 impl ::core::clone::Clone for ACMFORMATDETAILSA {
@@ -1307,7 +1307,7 @@ pub struct ACMFORMATTAGDETAILSA {
     pub cbFormatSize: u32,
     pub fdwSupport: u32,
     pub cStandardFormats: u32,
-    pub szFormatTag: [u8; 48],
+    pub szFormatTag: [i8; 48],
 }
 impl ::core::marker::Copy for ACMFORMATTAGDETAILSA {}
 impl ::core::clone::Clone for ACMFORMATTAGDETAILSA {
@@ -1459,7 +1459,7 @@ pub struct AUXCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wTechnology: u16,
     pub wReserved1: u16,
     pub dwSupport: u32,
@@ -1497,7 +1497,7 @@ pub struct AUXCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wTechnology: u16,
     pub wReserved1: u16,
     pub dwSupport: u32,
@@ -1633,7 +1633,7 @@ pub struct MIDIINCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwSupport: u32,
     pub ManufacturerGuid: ::windows_sys::core::GUID,
     pub ProductGuid: ::windows_sys::core::GUID,
@@ -1667,7 +1667,7 @@ pub struct MIDIINCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwSupport: u32,
 }
 impl ::core::marker::Copy for MIDIINCAPSA {}
@@ -1695,7 +1695,7 @@ pub struct MIDIOUTCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wTechnology: u16,
     pub wVoices: u16,
     pub wNotes: u16,
@@ -1737,7 +1737,7 @@ pub struct MIDIOUTCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wTechnology: u16,
     pub wVoices: u16,
     pub wNotes: u16,
@@ -1807,7 +1807,7 @@ pub struct MIXERCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub fdwSupport: u32,
     pub cDestinations: u32,
     pub ManufacturerGuid: ::windows_sys::core::GUID,
@@ -1843,7 +1843,7 @@ pub struct MIXERCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub fdwSupport: u32,
     pub cDestinations: u32,
 }
@@ -1875,8 +1875,8 @@ pub struct MIXERCONTROLA {
     pub dwControlType: u32,
     pub fdwControl: u32,
     pub cMultipleItems: u32,
-    pub szShortName: [u8; 16],
-    pub szName: [u8; 64],
+    pub szShortName: [i8; 16],
+    pub szName: [i8; 64],
     pub Bounds: MIXERCONTROLA_0,
     pub Metrics: MIXERCONTROLA_1,
 }
@@ -1972,7 +1972,7 @@ impl ::core::clone::Clone for MIXERCONTROLDETAILS_BOOLEAN {
 pub struct MIXERCONTROLDETAILS_LISTTEXTA {
     pub dwParam1: u32,
     pub dwParam2: u32,
-    pub szName: [u8; 64],
+    pub szName: [i8; 64],
 }
 impl ::core::marker::Copy for MIXERCONTROLDETAILS_LISTTEXTA {}
 impl ::core::clone::Clone for MIXERCONTROLDETAILS_LISTTEXTA {
@@ -2088,8 +2088,8 @@ pub struct MIXERLINEA {
     pub cChannels: u32,
     pub cConnections: u32,
     pub cControls: u32,
-    pub szShortName: [u8; 16],
-    pub szName: [u8; 64],
+    pub szShortName: [i8; 16],
+    pub szName: [i8; 64],
     pub Target: MIXERLINEA_0,
 }
 impl ::core::marker::Copy for MIXERLINEA {}
@@ -2105,7 +2105,7 @@ pub struct MIXERLINEA_0 {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
 }
 impl ::core::marker::Copy for MIXERLINEA_0 {}
 impl ::core::clone::Clone for MIXERLINEA_0 {
@@ -2523,7 +2523,7 @@ pub struct WAVEINCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwFormats: u32,
     pub wChannels: u16,
     pub wReserved1: u16,
@@ -2561,7 +2561,7 @@ pub struct WAVEINCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwFormats: u32,
     pub wChannels: u16,
     pub wReserved1: u16,
@@ -2593,7 +2593,7 @@ pub struct WAVEOUTCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwFormats: u32,
     pub wChannels: u16,
     pub wReserved1: u16,
@@ -2633,7 +2633,7 @@ pub struct WAVEOUTCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwFormats: u32,
     pub wChannels: u16,
     pub wReserved1: u16,
diff --git a/crates/libs/sys/src/Windows/Win32/Media/KernelStreaming/mod.rs b/crates/libs/sys/src/Windows/Win32/Media/KernelStreaming/mod.rs
index ad55ce74ad..fb852474db 100644
--- a/crates/libs/sys/src/Windows/Win32/Media/KernelStreaming/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Media/KernelStreaming/mod.rs
@@ -3775,7 +3775,7 @@ pub struct KSGOP_USERDATA {
     pub sc: u32,
     pub reserved1: u32,
     pub cFields: u8,
-    pub l21Data: [u8; 3],
+    pub l21Data: [i8; 3],
 }
 impl ::core::marker::Copy for KSGOP_USERDATA {}
 impl ::core::clone::Clone for KSGOP_USERDATA {
diff --git a/crates/libs/sys/src/Windows/Win32/Media/Multimedia/mod.rs b/crates/libs/sys/src/Windows/Win32/Media/Multimedia/mod.rs
index bab098f47f..986c6cadda 100644
--- a/crates/libs/sys/src/Windows/Win32/Media/Multimedia/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Media/Multimedia/mod.rs
@@ -4966,7 +4966,7 @@ pub struct AVIFILEINFOA {
     pub dwRate: u32,
     pub dwLength: u32,
     pub dwEditCount: u32,
-    pub szFileType: [u8; 64],
+    pub szFileType: [i8; 64],
 }
 impl ::core::marker::Copy for AVIFILEINFOA {}
 impl ::core::clone::Clone for AVIFILEINFOA {
@@ -5014,7 +5014,7 @@ pub struct AVISTREAMINFOA {
     pub rcFrame: super::super::Foundation::RECT,
     pub dwEditCount: u32,
     pub dwFormatChangeCount: u32,
-    pub szName: [u8; 64],
+    pub szName: [i8; 64],
 }
 impl ::core::marker::Copy for AVISTREAMINFOA {}
 impl ::core::clone::Clone for AVISTREAMINFOA {
@@ -5791,7 +5791,7 @@ impl ::core::clone::Clone for IMAADPCMWAVEFORMAT {
 pub struct JOYCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wXmin: u32,
     pub wXmax: u32,
     pub wYmin: u32,
@@ -5811,8 +5811,8 @@ pub struct JOYCAPS2A {
     pub wMaxAxes: u32,
     pub wNumAxes: u32,
     pub wMaxButtons: u32,
-    pub szRegKey: [u8; 32],
-    pub szOEMVxD: [u8; 260],
+    pub szRegKey: [i8; 32],
+    pub szOEMVxD: [i8; 260],
     pub ManufacturerGuid: ::windows_sys::core::GUID,
     pub ProductGuid: ::windows_sys::core::GUID,
     pub NameGuid: ::windows_sys::core::GUID,
@@ -5863,7 +5863,7 @@ impl ::core::clone::Clone for JOYCAPS2W {
 pub struct JOYCAPSA {
     pub wMid: u16,
     pub wPid: u16,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wXmin: u32,
     pub wXmax: u32,
     pub wYmin: u32,
@@ -5883,8 +5883,8 @@ pub struct JOYCAPSA {
     pub wMaxAxes: u32,
     pub wNumAxes: u32,
     pub wMaxButtons: u32,
-    pub szRegKey: [u8; 32],
-    pub szOEMVxD: [u8; 260],
+    pub szRegKey: [i8; 32],
+    pub szOEMVxD: [i8; 260],
 }
 impl ::core::marker::Copy for JOYCAPSA {}
 impl ::core::clone::Clone for JOYCAPSA {
@@ -7388,8 +7388,8 @@ impl ::core::clone::Clone for YAMAHA_ADPCMWAVEFORMAT {
 #[repr(C)]
 pub struct s_RIFFWAVE_inst {
     pub bUnshiftedNote: u8,
-    pub chFineTune: u8,
-    pub chGain: u8,
+    pub chFineTune: i8,
+    pub chGain: i8,
     pub bLowNote: u8,
     pub bHighNote: u8,
     pub bLowVelocity: u8,
diff --git a/crates/libs/sys/src/Windows/Win32/NetworkManagement/Dns/mod.rs b/crates/libs/sys/src/Windows/Win32/NetworkManagement/Dns/mod.rs
index 735b9ea009..b94dcf06a2 100644
--- a/crates/libs/sys/src/Windows/Win32/NetworkManagement/Dns/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/NetworkManagement/Dns/mod.rs
@@ -474,7 +474,7 @@ impl ::core::clone::Clone for DNS_AAAA_DATA {
 }
 #[repr(C)]
 pub struct DNS_ADDR {
-    pub MaxSa: [u8; 32],
+    pub MaxSa: [i8; 32],
     pub Data: DNS_ADDR_0,
 }
 impl ::core::marker::Copy for DNS_ADDR {}
@@ -727,7 +727,7 @@ impl ::core::clone::Clone for DNS_CUSTOM_SERVER_0 {
 }
 #[repr(C)]
 pub union DNS_CUSTOM_SERVER_1 {
-    pub MaxSa: [u8; 32],
+    pub MaxSa: [i8; 32],
 }
 impl ::core::marker::Copy for DNS_CUSTOM_SERVER_1 {}
 impl ::core::clone::Clone for DNS_CUSTOM_SERVER_1 {
@@ -823,7 +823,7 @@ impl ::core::clone::Clone for DNS_LOC_DATA {
 #[repr(C)]
 pub struct DNS_MESSAGE_BUFFER {
     pub MessageHead: DNS_HEADER,
-    pub MessageBody: [u8; 1],
+    pub MessageBody: [i8; 1],
 }
 impl ::core::marker::Copy for DNS_MESSAGE_BUFFER {}
 impl ::core::clone::Clone for DNS_MESSAGE_BUFFER {
@@ -1045,7 +1045,7 @@ impl ::core::clone::Clone for DNS_PTR_DATAW {
 }
 #[repr(C)]
 pub struct DNS_QUERY_CANCEL {
-    pub Reserved: [u8; 32],
+    pub Reserved: [i8; 32],
 }
 impl ::core::marker::Copy for DNS_QUERY_CANCEL {}
 impl ::core::clone::Clone for DNS_QUERY_CANCEL {
diff --git a/crates/libs/sys/src/Windows/Win32/NetworkManagement/IpHelper/mod.rs b/crates/libs/sys/src/Windows/Win32/NetworkManagement/IpHelper/mod.rs
index 3cb9aa2da3..f8f6056fee 100644
--- a/crates/libs/sys/src/Windows/Win32/NetworkManagement/IpHelper/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/NetworkManagement/IpHelper/mod.rs
@@ -1072,12 +1072,12 @@ impl ::core::clone::Clone for DNS_SETTINGS2 {
 }
 #[repr(C)]
 pub struct FIXED_INFO_W2KSP1 {
-    pub HostName: [u8; 132],
-    pub DomainName: [u8; 132],
+    pub HostName: [i8; 132],
+    pub DomainName: [i8; 132],
     pub CurrentDnsServer: *mut IP_ADDR_STRING,
     pub DnsServerList: IP_ADDR_STRING,
     pub NodeType: u32,
-    pub ScopeId: [u8; 260],
+    pub ScopeId: [i8; 260],
     pub EnableRouting: u32,
     pub EnableProxy: u32,
     pub EnableDns: u32,
@@ -1540,8 +1540,8 @@ impl ::core::clone::Clone for IP_ADAPTER_INDEX_MAP {
 pub struct IP_ADAPTER_INFO {
     pub Next: *mut IP_ADAPTER_INFO,
     pub ComboIndex: u32,
-    pub AdapterName: [u8; 260],
-    pub Description: [u8; 132],
+    pub AdapterName: [i8; 260],
+    pub Description: [i8; 132],
     pub AddressLength: u32,
     pub Address: [u8; 8],
     pub Index: u32,
@@ -1835,7 +1835,7 @@ impl ::core::clone::Clone for IP_ADDRESS_PREFIX {
 }
 #[repr(C)]
 pub struct IP_ADDRESS_STRING {
-    pub String: [u8; 16],
+    pub String: [i8; 16],
 }
 impl ::core::marker::Copy for IP_ADDRESS_STRING {}
 impl ::core::clone::Clone for IP_ADDRESS_STRING {
diff --git a/crates/libs/sys/src/Windows/Win32/NetworkManagement/Ndis/mod.rs b/crates/libs/sys/src/Windows/Win32/NetworkManagement/Ndis/mod.rs
index 3bee92fe93..937133c257 100644
--- a/crates/libs/sys/src/Windows/Win32/NetworkManagement/Ndis/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/NetworkManagement/Ndis/mod.rs
@@ -3388,7 +3388,7 @@ pub struct NDIS_WMI_ENUM_ADAPTER {
     pub IfIndex: u32,
     pub NetLuid: NET_LUID_LH,
     pub DeviceNameLength: u16,
-    pub DeviceName: [u8; 1],
+    pub DeviceName: [i8; 1],
 }
 impl ::core::marker::Copy for NDIS_WMI_ENUM_ADAPTER {}
 impl ::core::clone::Clone for NDIS_WMI_ENUM_ADAPTER {
diff --git a/crates/libs/sys/src/Windows/Win32/NetworkManagement/NetManagement/mod.rs b/crates/libs/sys/src/Windows/Win32/NetworkManagement/NetManagement/mod.rs
index 1bb87e19f0..80fa6ac054 100644
--- a/crates/libs/sys/src/Windows/Win32/NetworkManagement/NetManagement/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/NetworkManagement/NetManagement/mod.rs
@@ -2935,7 +2935,7 @@ impl ::core::clone::Clone for ERROR_LOG {
 pub struct FLAT_STRING {
     pub MaximumLength: i16,
     pub Length: i16,
-    pub Buffer: [u8; 1],
+    pub Buffer: [i8; 1],
 }
 impl ::core::marker::Copy for FLAT_STRING {}
 impl ::core::clone::Clone for FLAT_STRING {
diff --git a/crates/libs/sys/src/Windows/Win32/NetworkManagement/NetworkDiagnosticsFramework/mod.rs b/crates/libs/sys/src/Windows/Win32/NetworkManagement/NetworkDiagnosticsFramework/mod.rs
index 0dd799029b..78cd174af9 100644
--- a/crates/libs/sys/src/Windows/Win32/NetworkManagement/NetworkDiagnosticsFramework/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/NetworkManagement/NetworkDiagnosticsFramework/mod.rs
@@ -106,7 +106,7 @@ pub type UI_INFO_TYPE = i32;
 #[repr(C)]
 pub struct DIAG_SOCKADDR {
     pub family: u16,
-    pub data: [u8; 126],
+    pub data: [i8; 126],
 }
 impl ::core::marker::Copy for DIAG_SOCKADDR {}
 impl ::core::clone::Clone for DIAG_SOCKADDR {
diff --git a/crates/libs/sys/src/Windows/Win32/NetworkManagement/Rras/mod.rs b/crates/libs/sys/src/Windows/Win32/NetworkManagement/Rras/mod.rs
index 94920f77c2..8aed8343eb 100644
--- a/crates/libs/sys/src/Windows/Win32/NetworkManagement/Rras/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/NetworkManagement/Rras/mod.rs
@@ -2228,7 +2228,7 @@ impl ::core::clone::Clone for RASADPARAMS {
 pub struct RASAMBA {
     pub dwSize: u32,
     pub dwError: u32,
-    pub szNetBiosError: [u8; 17],
+    pub szNetBiosError: [i8; 17],
     pub bLana: u8,
 }
 impl ::core::marker::Copy for RASAMBA {}
@@ -2255,7 +2255,7 @@ pub struct RASAUTODIALENTRYA {
     pub dwSize: u32,
     pub dwFlags: u32,
     pub dwDialingLocation: u32,
-    pub szEntry: [u8; 257],
+    pub szEntry: [i8; 257],
 }
 impl ::core::marker::Copy for RASAUTODIALENTRYA {}
 impl ::core::clone::Clone for RASAUTODIALENTRYA {
@@ -2295,10 +2295,10 @@ impl ::core::clone::Clone for RASCOMMSETTINGS {
 pub struct RASCONNA {
     pub dwSize: u32,
     pub hrasconn: HRASCONN,
-    pub szEntryName: [u8; 257],
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szPhonebook: [u8; 260],
+    pub szEntryName: [i8; 257],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szPhonebook: [i8; 260],
     pub dwSubEntry: u32,
     pub guidEntry: ::windows_sys::core::GUID,
     pub dwFlags: u32,
@@ -2318,10 +2318,10 @@ impl ::core::clone::Clone for RASCONNA {
 pub struct RASCONNA {
     pub dwSize: u32,
     pub hrasconn: HRASCONN,
-    pub szEntryName: [u8; 257],
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szPhonebook: [u8; 260],
+    pub szEntryName: [i8; 257],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szPhonebook: [i8; 260],
     pub dwSubEntry: u32,
     pub guidEntry: ::windows_sys::core::GUID,
     pub dwFlags: u32,
@@ -2343,9 +2343,9 @@ pub struct RASCONNSTATUSA {
     pub dwSize: u32,
     pub rasconnstate: RASCONNSTATE,
     pub dwError: u32,
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szPhoneNumber: [u8; 129],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szPhoneNumber: [i8; 129],
     pub localEndPoint: RASTUNNELENDPOINT,
     pub remoteEndPoint: RASTUNNELENDPOINT,
     pub rasconnsubstate: RASCONNSUBSTATE,
@@ -2430,9 +2430,9 @@ impl ::core::clone::Clone for RASCONNW {
 pub struct RASCREDENTIALSA {
     pub dwSize: u32,
     pub dwMask: u32,
-    pub szUserName: [u8; 257],
-    pub szPassword: [u8; 257],
-    pub szDomain: [u8; 16],
+    pub szUserName: [i8; 257],
+    pub szPassword: [i8; 257],
+    pub szDomain: [i8; 16],
 }
 impl ::core::marker::Copy for RASCREDENTIALSA {}
 impl ::core::clone::Clone for RASCREDENTIALSA {
@@ -2482,8 +2482,8 @@ impl ::core::clone::Clone for RASCUSTOMSCRIPTEXTENSIONS {
 #[repr(C)]
 pub struct RASDEVINFOA {
     pub dwSize: u32,
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
 }
 impl ::core::marker::Copy for RASDEVINFOA {}
 impl ::core::clone::Clone for RASDEVINFOA {
@@ -2570,12 +2570,12 @@ impl ::core::clone::Clone for RASDIALEXTENSIONS {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct RASDIALPARAMSA {
     pub dwSize: u32,
-    pub szEntryName: [u8; 257],
-    pub szPhoneNumber: [u8; 129],
-    pub szCallbackNumber: [u8; 129],
-    pub szUserName: [u8; 257],
-    pub szPassword: [u8; 257],
-    pub szDomain: [u8; 16],
+    pub szEntryName: [i8; 257],
+    pub szPhoneNumber: [i8; 129],
+    pub szCallbackNumber: [i8; 129],
+    pub szUserName: [i8; 257],
+    pub szPassword: [i8; 257],
+    pub szDomain: [i8; 16],
     pub dwSubEntry: u32,
     pub dwCallbackId: usize,
     pub dwIfIndex: u32,
@@ -2593,12 +2593,12 @@ impl ::core::clone::Clone for RASDIALPARAMSA {
 #[cfg(target_arch = "x86")]
 pub struct RASDIALPARAMSA {
     pub dwSize: u32,
-    pub szEntryName: [u8; 257],
-    pub szPhoneNumber: [u8; 129],
-    pub szCallbackNumber: [u8; 129],
-    pub szUserName: [u8; 257],
-    pub szPassword: [u8; 257],
-    pub szDomain: [u8; 16],
+    pub szEntryName: [i8; 257],
+    pub szPhoneNumber: [i8; 129],
+    pub szCallbackNumber: [i8; 129],
+    pub szUserName: [i8; 257],
+    pub szPassword: [i8; 257],
+    pub szDomain: [i8; 16],
     pub dwSubEntry: u32,
     pub dwCallbackId: usize,
     pub dwIfIndex: u32,
@@ -2671,7 +2671,7 @@ impl ::core::clone::Clone for RASEAPINFO {
 }
 #[repr(C)]
 pub struct RASEAPUSERIDENTITYA {
-    pub szUserName: [u8; 257],
+    pub szUserName: [i8; 257],
     pub dwSizeofEapInfo: u32,
     pub pbEapInfo: [u8; 1],
 }
@@ -2701,8 +2701,8 @@ pub struct RASENTRYA {
     pub dwfOptions: u32,
     pub dwCountryID: u32,
     pub dwCountryCode: u32,
-    pub szAreaCode: [u8; 11],
-    pub szLocalPhoneNumber: [u8; 129],
+    pub szAreaCode: [i8; 11],
+    pub szLocalPhoneNumber: [i8; 129],
     pub dwAlternateOffset: u32,
     pub ipaddr: RASIPADDR,
     pub ipaddrDns: RASIPADDR,
@@ -2712,15 +2712,15 @@ pub struct RASENTRYA {
     pub dwFrameSize: u32,
     pub dwfNetProtocols: u32,
     pub dwFramingProtocol: u32,
-    pub szScript: [u8; 260],
-    pub szAutodialDll: [u8; 260],
-    pub szAutodialFunc: [u8; 260],
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szX25PadType: [u8; 33],
-    pub szX25Address: [u8; 201],
-    pub szX25Facilities: [u8; 201],
-    pub szX25UserData: [u8; 201],
+    pub szScript: [i8; 260],
+    pub szAutodialDll: [i8; 260],
+    pub szAutodialFunc: [i8; 260],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szX25PadType: [i8; 33],
+    pub szX25Address: [i8; 201],
+    pub szX25Facilities: [i8; 201],
+    pub szX25UserData: [i8; 201],
     pub dwChannels: u32,
     pub dwReserved1: u32,
     pub dwReserved2: u32,
@@ -2735,14 +2735,14 @@ pub struct RASENTRYA {
     pub dwEncryptionType: u32,
     pub dwCustomAuthKey: u32,
     pub guidId: ::windows_sys::core::GUID,
-    pub szCustomDialDll: [u8; 260],
+    pub szCustomDialDll: [i8; 260],
     pub dwVpnStrategy: u32,
     pub dwfOptions2: u32,
     pub dwfOptions3: u32,
-    pub szDnsSuffix: [u8; 256],
+    pub szDnsSuffix: [i8; 256],
     pub dwTcpWindowSize: u32,
-    pub szPrerequisitePbk: [u8; 260],
-    pub szPrerequisiteEntry: [u8; 257],
+    pub szPrerequisitePbk: [i8; 260],
+    pub szPrerequisiteEntry: [i8; 257],
     pub dwRedialCount: u32,
     pub dwRedialPause: u32,
     pub ipv6addrDns: super::super::Networking::WinSock::IN6_ADDR,
@@ -2752,8 +2752,8 @@ pub struct RASENTRYA {
     pub ipv6addr: super::super::Networking::WinSock::IN6_ADDR,
     pub dwIPv6PrefixLength: u32,
     pub dwNetworkOutageTime: u32,
-    pub szIDi: [u8; 257],
-    pub szIDr: [u8; 257],
+    pub szIDi: [i8; 257],
+    pub szIDr: [i8; 257],
     pub fIsImsConfig: super::super::Foundation::BOOL,
     pub IdiType: IKEV2_ID_PAYLOAD_TYPE,
     pub IdrType: IKEV2_ID_PAYLOAD_TYPE,
@@ -2775,7 +2775,7 @@ pub struct RASENTRYDLGA {
     pub dwFlags: u32,
     pub xDlg: i32,
     pub yDlg: i32,
-    pub szEntry: [u8; 257],
+    pub szEntry: [i8; 257],
     pub dwError: u32,
     pub reserved: usize,
     pub reserved2: usize,
@@ -2796,7 +2796,7 @@ pub struct RASENTRYDLGA {
     pub dwFlags: u32,
     pub xDlg: i32,
     pub yDlg: i32,
-    pub szEntry: [u8; 257],
+    pub szEntry: [i8; 257],
     pub dwError: u32,
     pub reserved: usize,
     pub reserved2: usize,
@@ -2854,9 +2854,9 @@ impl ::core::clone::Clone for RASENTRYDLGW {
 #[repr(C)]
 pub struct RASENTRYNAMEA {
     pub dwSize: u32,
-    pub szEntryName: [u8; 257],
+    pub szEntryName: [i8; 257],
     pub dwFlags: u32,
-    pub szPhonebookPath: [u8; 261],
+    pub szPhonebookPath: [i8; 261],
 }
 impl ::core::marker::Copy for RASENTRYNAMEA {}
 impl ::core::clone::Clone for RASENTRYNAMEA {
@@ -3043,9 +3043,9 @@ pub struct RASNOUSERA {
     pub dwSize: u32,
     pub dwFlags: u32,
     pub dwTimeoutMs: u32,
-    pub szUserName: [u8; 257],
-    pub szPassword: [u8; 257],
-    pub szDomain: [u8; 16],
+    pub szUserName: [i8; 257],
+    pub szPassword: [i8; 257],
+    pub szDomain: [i8; 16],
 }
 impl ::core::marker::Copy for RASNOUSERA {}
 impl ::core::clone::Clone for RASNOUSERA {
@@ -3175,8 +3175,8 @@ impl ::core::clone::Clone for RASPPPCCP {
 pub struct RASPPPIPA {
     pub dwSize: u32,
     pub dwError: u32,
-    pub szIpAddress: [u8; 16],
-    pub szServerIpAddress: [u8; 16],
+    pub szIpAddress: [i8; 16],
+    pub szServerIpAddress: [i8; 16],
     pub dwOptions: u32,
     pub dwServerOptions: u32,
 }
@@ -3220,7 +3220,7 @@ impl ::core::clone::Clone for RASPPPIPW {
 pub struct RASPPPIPXA {
     pub dwSize: u32,
     pub dwError: u32,
-    pub szIpxAddress: [u8; 22],
+    pub szIpxAddress: [i8; 22],
 }
 impl ::core::marker::Copy for RASPPPIPXA {}
 impl ::core::clone::Clone for RASPPPIPXA {
@@ -3242,7 +3242,7 @@ pub struct RASPPPLCPA {
     pub fMultilink: super::super::Foundation::BOOL,
     pub dwTerminateReason: u32,
     pub dwServerTerminateReason: u32,
-    pub szReplyMessage: [u8; 1024],
+    pub szReplyMessage: [i8; 1024],
     pub dwOptions: u32,
     pub dwServerOptions: u32,
 }
@@ -3281,8 +3281,8 @@ pub struct RASPPPNBFA {
     pub dwSize: u32,
     pub dwError: u32,
     pub dwNetBiosError: u32,
-    pub szNetBiosError: [u8; 17],
-    pub szWorkstationName: [u8; 17],
+    pub szNetBiosError: [i8; 17],
+    pub szWorkstationName: [i8; 17],
     pub bLana: u8,
 }
 impl ::core::marker::Copy for RASPPPNBFA {}
@@ -3346,9 +3346,9 @@ impl ::core::clone::Clone for RASPPP_PROJECTION_INFO {
 pub struct RASSUBENTRYA {
     pub dwSize: u32,
     pub dwfFlags: u32,
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szLocalPhoneNumber: [u8; 129],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szLocalPhoneNumber: [i8; 129],
     pub dwAlternateOffset: u32,
 }
 impl ::core::marker::Copy for RASSUBENTRYA {}
@@ -3686,7 +3686,7 @@ impl ::core::clone::Clone for RAS_PROJECTION_INFO_0 {
 pub struct RAS_SECURITY_INFO {
     pub LastError: u32,
     pub BytesReceived: u32,
-    pub DeviceName: [u8; 129],
+    pub DeviceName: [i8; 129],
 }
 impl ::core::marker::Copy for RAS_SECURITY_INFO {}
 impl ::core::clone::Clone for RAS_SECURITY_INFO {
@@ -4040,8 +4040,8 @@ pub struct SECURITY_MESSAGE {
     pub dwMsgId: SECURITY_MESSAGE_MSG_ID,
     pub hPort: isize,
     pub dwError: u32,
-    pub UserName: [u8; 257],
-    pub Domain: [u8; 16],
+    pub UserName: [i8; 257],
+    pub Domain: [i8; 16],
 }
 impl ::core::marker::Copy for SECURITY_MESSAGE {}
 impl ::core::clone::Clone for SECURITY_MESSAGE {
diff --git a/crates/libs/sys/src/Windows/Win32/NetworkManagement/Snmp/mod.rs b/crates/libs/sys/src/Windows/Win32/NetworkManagement/Snmp/mod.rs
index 0c3bbd29f1..c61629092e 100644
--- a/crates/libs/sys/src/Windows/Win32/NetworkManagement/Snmp/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/NetworkManagement/Snmp/mod.rs
@@ -444,10 +444,10 @@ impl ::core::clone::Clone for smiVALUE_0 {
 }
 #[repr(C)]
 pub struct smiVENDORINFO {
-    pub vendorName: [u8; 64],
-    pub vendorContact: [u8; 64],
-    pub vendorVersionId: [u8; 32],
-    pub vendorVersionDate: [u8; 32],
+    pub vendorName: [i8; 64],
+    pub vendorContact: [i8; 64],
+    pub vendorVersionId: [i8; 32],
+    pub vendorVersionDate: [i8; 32],
     pub vendorEnterprise: u32,
 }
 impl ::core::marker::Copy for smiVENDORINFO {}
diff --git a/crates/libs/sys/src/Windows/Win32/Networking/ActiveDirectory/mod.rs b/crates/libs/sys/src/Windows/Win32/Networking/ActiveDirectory/mod.rs
index 82a2ea228c..2251e6e8b2 100644
--- a/crates/libs/sys/src/Windows/Win32/Networking/ActiveDirectory/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Networking/ActiveDirectory/mod.rs
@@ -1863,8 +1863,8 @@ pub struct DSBITEMA {
     pub dwMask: u32,
     pub dwState: u32,
     pub dwStateMask: u32,
-    pub szDisplayName: [u8; 64],
-    pub szIconLocation: [u8; 260],
+    pub szDisplayName: [i8; 64],
+    pub szIconLocation: [i8; 260],
     pub iIconResID: i32,
 }
 impl ::core::marker::Copy for DSBITEMA {}
diff --git a/crates/libs/sys/src/Windows/Win32/Networking/Ldap/mod.rs b/crates/libs/sys/src/Windows/Win32/Networking/Ldap/mod.rs
index 9bf980d568..c500210fd2 100644
--- a/crates/libs/sys/src/Windows/Win32/Networking/Ldap/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Networking/Ldap/mod.rs
@@ -6,7 +6,7 @@
 ::windows_targets::link!("wldap32.dll" "cdecl" fn ber_bvdup(pberval : *mut LDAP_BERVAL) -> *mut LDAP_BERVAL);
 ::windows_targets::link!("wldap32.dll" "cdecl" fn ber_bvecfree(pberval : *mut *mut LDAP_BERVAL));
 ::windows_targets::link!("wldap32.dll" "cdecl" fn ber_bvfree(bv : *mut LDAP_BERVAL));
-::windows_targets::link!("wldap32.dll" "cdecl" fn ber_first_element(pberelement : *mut BerElement, plen : *mut u32, ppopaque : *mut *mut u8) -> u32);
+::windows_targets::link!("wldap32.dll" "cdecl" fn ber_first_element(pberelement : *mut BerElement, plen : *mut u32, ppopaque : *mut *mut i8) -> u32);
 ::windows_targets::link!("wldap32.dll" "cdecl" fn ber_flatten(pberelement : *mut BerElement, pberval : *mut *mut LDAP_BERVAL) -> i32);
 ::windows_targets::link!("wldap32.dll" "cdecl" fn ber_free(pberelement : *mut BerElement, fbuf : i32));
 ::windows_targets::link!("wldap32.dll" "cdecl" fn ber_init(pberval : *mut LDAP_BERVAL) -> *mut BerElement);
diff --git a/crates/libs/sys/src/Windows/Win32/Networking/WinInet/mod.rs b/crates/libs/sys/src/Windows/Win32/Networking/WinInet/mod.rs
index f3838fab5d..47e1794d6f 100644
--- a/crates/libs/sys/src/Windows/Win32/Networking/WinInet/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Networking/WinInet/mod.rs
@@ -1607,12 +1607,12 @@ impl ::core::clone::Clone for GOPHER_ATTRIBUTE_TYPE_0 {
 }
 #[repr(C)]
 pub struct GOPHER_FIND_DATAA {
-    pub DisplayString: [u8; 129],
+    pub DisplayString: [i8; 129],
     pub GopherType: GOPHER_TYPE,
     pub SizeLow: u32,
     pub SizeHigh: u32,
     pub LastModificationTime: super::super::Foundation::FILETIME,
-    pub Locator: [u8; 654],
+    pub Locator: [i8; 654],
 }
 impl ::core::marker::Copy for GOPHER_FIND_DATAA {}
 impl ::core::clone::Clone for GOPHER_FIND_DATAA {
@@ -1924,7 +1924,7 @@ impl ::core::clone::Clone for INTERNET_CACHE_CONFIG_INFOA_0 {
 }
 #[repr(C)]
 pub struct INTERNET_CACHE_CONFIG_INFOA_0_0 {
-    pub CachePath: [u8; 260],
+    pub CachePath: [i8; 260],
     pub dwCacheSize: u32,
 }
 impl ::core::marker::Copy for INTERNET_CACHE_CONFIG_INFOA_0_0 {}
@@ -1976,7 +1976,7 @@ impl ::core::clone::Clone for INTERNET_CACHE_CONFIG_INFOW_0_0 {
 }
 #[repr(C)]
 pub struct INTERNET_CACHE_CONFIG_PATH_ENTRYA {
-    pub CachePath: [u8; 260],
+    pub CachePath: [i8; 260],
     pub dwCacheSize: u32,
 }
 impl ::core::marker::Copy for INTERNET_CACHE_CONFIG_PATH_ENTRYA {}
@@ -2104,7 +2104,7 @@ pub struct INTERNET_CACHE_GROUP_INFOA {
     pub dwDiskUsage: u32,
     pub dwDiskQuota: u32,
     pub dwOwnerStorage: [u32; 4],
-    pub szGroupName: [u8; 120],
+    pub szGroupName: [i8; 120],
 }
 impl ::core::marker::Copy for INTERNET_CACHE_GROUP_INFOA {}
 impl ::core::clone::Clone for INTERNET_CACHE_GROUP_INFOA {
diff --git a/crates/libs/sys/src/Windows/Win32/Networking/WinSock/mod.rs b/crates/libs/sys/src/Windows/Win32/Networking/WinSock/mod.rs
index a95653d6d5..59418ca987 100644
--- a/crates/libs/sys/src/Windows/Win32/Networking/WinSock/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Networking/WinSock/mod.rs
@@ -4034,7 +4034,7 @@ impl ::core::clone::Clone for NLA_BLOB {
 }
 #[repr(C)]
 pub union NLA_BLOB_0 {
-    pub rawData: [u8; 1],
+    pub rawData: [i8; 1],
     pub interfaceData: NLA_BLOB_0_2,
     pub locationData: NLA_BLOB_0_3,
     pub connectivity: NLA_BLOB_0_1,
@@ -4085,7 +4085,7 @@ impl ::core::clone::Clone for NLA_BLOB_0_1 {
 pub struct NLA_BLOB_0_2 {
     pub dwType: u32,
     pub dwSpeed: u32,
-    pub adapterName: [u8; 1],
+    pub adapterName: [i8; 1],
 }
 impl ::core::marker::Copy for NLA_BLOB_0_2 {}
 impl ::core::clone::Clone for NLA_BLOB_0_2 {
@@ -4095,7 +4095,7 @@ impl ::core::clone::Clone for NLA_BLOB_0_2 {
 }
 #[repr(C)]
 pub struct NLA_BLOB_0_3 {
-    pub information: [u8; 1],
+    pub information: [i8; 1],
 }
 impl ::core::marker::Copy for NLA_BLOB_0_3 {}
 impl ::core::clone::Clone for NLA_BLOB_0_3 {
@@ -4845,7 +4845,7 @@ impl ::core::clone::Clone for SNAP_HEADER {
 #[repr(C)]
 pub struct SOCKADDR {
     pub sa_family: ADDRESS_FAMILY,
-    pub sa_data: [u8; 14],
+    pub sa_data: [i8; 14],
 }
 impl ::core::marker::Copy for SOCKADDR {}
 impl ::core::clone::Clone for SOCKADDR {
@@ -4883,7 +4883,7 @@ pub struct SOCKADDR_IN {
     pub sin_family: ADDRESS_FAMILY,
     pub sin_port: u16,
     pub sin_addr: IN_ADDR,
-    pub sin_zero: [u8; 8],
+    pub sin_zero: [i8; 8],
 }
 impl ::core::marker::Copy for SOCKADDR_IN {}
 impl ::core::clone::Clone for SOCKADDR_IN {
@@ -4956,8 +4956,8 @@ impl ::core::clone::Clone for SOCKADDR_INET {
 #[repr(C)]
 pub struct SOCKADDR_IPX {
     pub sa_family: i16,
-    pub sa_netnum: [u8; 4],
-    pub sa_nodenum: [u8; 6],
+    pub sa_netnum: [i8; 4],
+    pub sa_nodenum: [i8; 6],
     pub sa_socket: u16,
 }
 impl ::core::marker::Copy for SOCKADDR_IPX {}
@@ -4970,7 +4970,7 @@ impl ::core::clone::Clone for SOCKADDR_IPX {
 pub struct SOCKADDR_IRDA {
     pub irdaAddressFamily: u16,
     pub irdaDeviceID: [u8; 4],
-    pub irdaServiceName: [u8; 25],
+    pub irdaServiceName: [i8; 25],
 }
 impl ::core::marker::Copy for SOCKADDR_IRDA {}
 impl ::core::clone::Clone for SOCKADDR_IRDA {
@@ -4982,7 +4982,7 @@ impl ::core::clone::Clone for SOCKADDR_IRDA {
 pub struct SOCKADDR_NB {
     pub snb_family: i16,
     pub snb_type: u16,
-    pub snb_name: [u8; 16],
+    pub snb_name: [i8; 16],
 }
 impl ::core::marker::Copy for SOCKADDR_NB {}
 impl ::core::clone::Clone for SOCKADDR_NB {
@@ -4993,9 +4993,9 @@ impl ::core::clone::Clone for SOCKADDR_NB {
 #[repr(C)]
 pub struct SOCKADDR_STORAGE {
     pub ss_family: ADDRESS_FAMILY,
-    pub __ss_pad1: [u8; 6],
+    pub __ss_pad1: [i8; 6],
     pub __ss_align: i64,
-    pub __ss_pad2: [u8; 112],
+    pub __ss_pad2: [i8; 112],
 }
 impl ::core::marker::Copy for SOCKADDR_STORAGE {}
 impl ::core::clone::Clone for SOCKADDR_STORAGE {
@@ -5006,9 +5006,9 @@ impl ::core::clone::Clone for SOCKADDR_STORAGE {
 #[repr(C)]
 pub struct SOCKADDR_STORAGE_XP {
     pub ss_family: i16,
-    pub __ss_pad1: [u8; 6],
+    pub __ss_pad1: [i8; 6],
     pub __ss_align: i64,
-    pub __ss_pad2: [u8; 112],
+    pub __ss_pad2: [i8; 112],
 }
 impl ::core::marker::Copy for SOCKADDR_STORAGE_XP {}
 impl ::core::clone::Clone for SOCKADDR_STORAGE_XP {
@@ -5033,7 +5033,7 @@ impl ::core::clone::Clone for SOCKADDR_TP {
 #[repr(C)]
 pub struct SOCKADDR_UN {
     pub sun_family: ADDRESS_FAMILY,
-    pub sun_path: [u8; 108],
+    pub sun_path: [i8; 108],
 }
 impl ::core::marker::Copy for SOCKADDR_UN {}
 impl ::core::clone::Clone for SOCKADDR_UN {
@@ -5543,7 +5543,7 @@ impl ::core::clone::Clone for WCE_DEVICELIST {
 #[repr(C)]
 pub struct WCE_IRDA_DEVICE_INFO {
     pub irdaDeviceID: [u8; 4],
-    pub irdaDeviceName: [u8; 22],
+    pub irdaDeviceName: [i8; 22],
     pub Reserved: [u8; 2],
 }
 impl ::core::marker::Copy for WCE_IRDA_DEVICE_INFO {}
@@ -5566,8 +5566,8 @@ impl ::core::clone::Clone for WINDOWS_DEVICELIST {
 #[repr(C)]
 pub struct WINDOWS_IAS_QUERY {
     pub irdaDeviceID: [u8; 4],
-    pub irdaClassName: [u8; 64],
-    pub irdaAttribName: [u8; 256],
+    pub irdaClassName: [i8; 64],
+    pub irdaAttribName: [i8; 256],
     pub irdaAttribType: u32,
     pub irdaAttribute: WINDOWS_IAS_QUERY_0,
 }
@@ -5614,8 +5614,8 @@ impl ::core::clone::Clone for WINDOWS_IAS_QUERY_0_1 {
 }
 #[repr(C)]
 pub struct WINDOWS_IAS_SET {
-    pub irdaClassName: [u8; 64],
-    pub irdaAttribName: [u8; 256],
+    pub irdaClassName: [i8; 64],
+    pub irdaAttribName: [i8; 256],
     pub irdaAttribType: u32,
     pub irdaAttribute: WINDOWS_IAS_SET_0,
 }
@@ -5663,7 +5663,7 @@ impl ::core::clone::Clone for WINDOWS_IAS_SET_0_1 {
 #[repr(C)]
 pub struct WINDOWS_IRDA_DEVICE_INFO {
     pub irdaDeviceID: [u8; 4],
-    pub irdaDeviceName: [u8; 22],
+    pub irdaDeviceName: [i8; 22],
     pub irdaDeviceHints1: u8,
     pub irdaDeviceHints2: u8,
     pub irdaCharSet: u8,
@@ -5786,8 +5786,8 @@ pub struct WSADATA {
     pub iMaxSockets: u16,
     pub iMaxUdpDg: u16,
     pub lpVendorInfo: ::windows_sys::core::PSTR,
-    pub szDescription: [u8; 257],
-    pub szSystemStatus: [u8; 129],
+    pub szDescription: [i8; 257],
+    pub szSystemStatus: [i8; 129],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for WSADATA {}
@@ -5802,8 +5802,8 @@ impl ::core::clone::Clone for WSADATA {
 pub struct WSADATA {
     pub wVersion: u16,
     pub wHighVersion: u16,
-    pub szDescription: [u8; 257],
-    pub szSystemStatus: [u8; 129],
+    pub szDescription: [i8; 257],
+    pub szSystemStatus: [i8; 129],
     pub iMaxSockets: u16,
     pub iMaxUdpDg: u16,
     pub lpVendorInfo: ::windows_sys::core::PSTR,
@@ -5994,7 +5994,7 @@ pub struct WSAPROTOCOL_INFOA {
     pub iSecurityScheme: i32,
     pub dwMessageSize: u32,
     pub dwProviderReserved: u32,
-    pub szProtocol: [u8; 256],
+    pub szProtocol: [i8; 256],
 }
 impl ::core::marker::Copy for WSAPROTOCOL_INFOA {}
 impl ::core::clone::Clone for WSAPROTOCOL_INFOA {
diff --git a/crates/libs/sys/src/Windows/Win32/Networking/WindowsWebServices/mod.rs b/crates/libs/sys/src/Windows/Win32/Networking/WindowsWebServices/mod.rs
index 8462c4ffd8..305cc54c91 100644
--- a/crates/libs/sys/src/Windows/Win32/Networking/WindowsWebServices/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Networking/WindowsWebServices/mod.rs
@@ -2750,8 +2750,8 @@ impl ::core::clone::Clone for WS_INT64_DESCRIPTION {
 }
 #[repr(C)]
 pub struct WS_INT8_DESCRIPTION {
-    pub minValue: u8,
-    pub maxValue: u8,
+    pub minValue: i8,
+    pub maxValue: i8,
 }
 impl ::core::marker::Copy for WS_INT8_DESCRIPTION {}
 impl ::core::clone::Clone for WS_INT8_DESCRIPTION {
diff --git a/crates/libs/sys/src/Windows/Win32/Security/Authentication/Identity/mod.rs b/crates/libs/sys/src/Windows/Win32/Security/Authentication/Identity/mod.rs
index 1931ad065a..1289d01c59 100644
--- a/crates/libs/sys/src/Windows/Win32/Security/Authentication/Identity/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Security/Authentication/Identity/mod.rs
@@ -2350,7 +2350,7 @@ impl ::core::clone::Clone for CENTRAL_ACCESS_POLICY_ENTRY {
 }
 #[repr(C)]
 pub struct CLEAR_BLOCK {
-    pub data: [u8; 8],
+    pub data: [i8; 8],
 }
 impl ::core::marker::Copy for CLEAR_BLOCK {}
 impl ::core::clone::Clone for CLEAR_BLOCK {
diff --git a/crates/libs/sys/src/Windows/Win32/Security/Cryptography/mod.rs b/crates/libs/sys/src/Windows/Win32/Security/Cryptography/mod.rs
index fa5092183b..6ed5cd85f8 100644
--- a/crates/libs/sys/src/Windows/Win32/Security/Cryptography/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Security/Cryptography/mod.rs
@@ -9067,7 +9067,7 @@ pub struct PROV_ENUMALGS {
     pub aiAlgid: ALG_ID,
     pub dwBitLen: u32,
     pub dwNameLen: u32,
-    pub szName: [u8; 20],
+    pub szName: [i8; 20],
 }
 impl ::core::marker::Copy for PROV_ENUMALGS {}
 impl ::core::clone::Clone for PROV_ENUMALGS {
@@ -9083,9 +9083,9 @@ pub struct PROV_ENUMALGS_EX {
     pub dwMaxLen: u32,
     pub dwProtocols: u32,
     pub dwNameLen: u32,
-    pub szName: [u8; 20],
+    pub szName: [i8; 20],
     pub dwLongNameLen: u32,
-    pub szLongName: [u8; 40],
+    pub szLongName: [i8; 40],
 }
 impl ::core::marker::Copy for PROV_ENUMALGS_EX {}
 impl ::core::clone::Clone for PROV_ENUMALGS_EX {
diff --git a/crates/libs/sys/src/Windows/Win32/Security/mod.rs b/crates/libs/sys/src/Windows/Win32/Security/mod.rs
index 85c76038cf..415778f498 100644
--- a/crates/libs/sys/src/Windows/Win32/Security/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Security/mod.rs
@@ -1495,7 +1495,7 @@ impl ::core::clone::Clone for TOKEN_PRIVILEGES {
 }
 #[repr(C)]
 pub struct TOKEN_SOURCE {
-    pub SourceName: [u8; 8],
+    pub SourceName: [i8; 8],
     pub SourceIdentifier: super::Foundation::LUID,
 }
 impl ::core::marker::Copy for TOKEN_SOURCE {}
diff --git a/crates/libs/sys/src/Windows/Win32/Storage/Cabinets/mod.rs b/crates/libs/sys/src/Windows/Win32/Storage/Cabinets/mod.rs
index b8f40def12..cd8612ab88 100644
--- a/crates/libs/sys/src/Windows/Win32/Storage/Cabinets/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Storage/Cabinets/mod.rs
@@ -91,9 +91,9 @@ pub struct CCAB {
     pub iDisk: i32,
     pub fFailOnIncompressible: i32,
     pub setID: u16,
-    pub szDisk: [u8; 256],
-    pub szCab: [u8; 256],
-    pub szCabPath: [u8; 256],
+    pub szDisk: [i8; 256],
+    pub szCab: [i8; 256],
+    pub szCabPath: [i8; 256],
 }
 impl ::core::marker::Copy for CCAB {}
 impl ::core::clone::Clone for CCAB {
@@ -219,7 +219,7 @@ impl ::core::clone::Clone for FDINOTIFICATION {
 #[repr(C)]
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct FDISPILLFILE {
-    pub ach: [u8; 2],
+    pub ach: [i8; 2],
     pub cbFile: i32,
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
@@ -233,7 +233,7 @@ impl ::core::clone::Clone for FDISPILLFILE {
 #[repr(C, packed(1))]
 #[cfg(target_arch = "x86")]
 pub struct FDISPILLFILE {
-    pub ach: [u8; 2],
+    pub ach: [i8; 2],
     pub cbFile: i32,
 }
 #[cfg(target_arch = "x86")]
diff --git a/crates/libs/sys/src/Windows/Win32/Storage/FileSystem/mod.rs b/crates/libs/sys/src/Windows/Win32/Storage/FileSystem/mod.rs
index ccfee62b7c..9a57c97d4d 100644
--- a/crates/libs/sys/src/Windows/Win32/Storage/FileSystem/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Storage/FileSystem/mod.rs
@@ -3060,9 +3060,9 @@ impl ::core::clone::Clone for NTMS_ASYNC_IO {
 pub struct NTMS_CHANGERINFORMATIONA {
     pub Number: u32,
     pub ChangerType: ::windows_sys::core::GUID,
-    pub szSerialNumber: [u8; 32],
-    pub szRevision: [u8; 32],
-    pub szDeviceName: [u8; 64],
+    pub szSerialNumber: [i8; 32],
+    pub szRevision: [i8; 32],
+    pub szDeviceName: [i8; 64],
     pub ScsiPort: u16,
     pub ScsiBus: u16,
     pub ScsiTarget: u16,
@@ -3096,8 +3096,8 @@ impl ::core::clone::Clone for NTMS_CHANGERINFORMATIONW {
 }
 #[repr(C)]
 pub struct NTMS_CHANGERTYPEINFORMATIONA {
-    pub szVendor: [u8; 128],
-    pub szProduct: [u8; 128],
+    pub szVendor: [i8; 128],
+    pub szProduct: [i8; 128],
     pub DeviceType: u32,
 }
 impl ::core::marker::Copy for NTMS_CHANGERTYPEINFORMATIONA {}
@@ -3137,9 +3137,9 @@ pub struct NTMS_DRIVEINFORMATIONA {
     pub Number: u32,
     pub State: u32,
     pub DriveType: ::windows_sys::core::GUID,
-    pub szDeviceName: [u8; 64],
-    pub szSerialNumber: [u8; 32],
-    pub szRevision: [u8; 32],
+    pub szDeviceName: [i8; 64],
+    pub szSerialNumber: [i8; 32],
+    pub szRevision: [i8; 32],
     pub ScsiPort: u16,
     pub ScsiBus: u16,
     pub ScsiTarget: u16,
@@ -3184,8 +3184,8 @@ impl ::core::clone::Clone for NTMS_DRIVEINFORMATIONW {
 }
 #[repr(C)]
 pub struct NTMS_DRIVETYPEINFORMATIONA {
-    pub szVendor: [u8; 128],
-    pub szProduct: [u8; 128],
+    pub szVendor: [i8; 128],
+    pub szProduct: [i8; 128],
     pub NumberOfHeads: u32,
     pub DeviceType: FILE_DEVICE_TYPE,
 }
@@ -3262,9 +3262,9 @@ pub struct NTMS_I1_LIBREQUESTINFORMATIONA {
     pub SlotId: ::windows_sys::core::GUID,
     pub TimeQueued: super::super::Foundation::SYSTEMTIME,
     pub TimeCompleted: super::super::Foundation::SYSTEMTIME,
-    pub szApplication: [u8; 64],
-    pub szUser: [u8; 64],
-    pub szComputer: [u8; 64],
+    pub szApplication: [i8; 64],
+    pub szUser: [i8; 64],
+    pub szComputer: [i8; 64],
 }
 impl ::core::marker::Copy for NTMS_I1_LIBREQUESTINFORMATIONA {}
 impl ::core::clone::Clone for NTMS_I1_LIBREQUESTINFORMATIONA {
@@ -3303,8 +3303,8 @@ pub struct NTMS_I1_OBJECTINFORMATIONA {
     pub ObjectGuid: ::windows_sys::core::GUID,
     pub Enabled: super::super::Foundation::BOOL,
     pub dwOperationalState: u32,
-    pub szName: [u8; 64],
-    pub szDescription: [u8; 127],
+    pub szName: [i8; 64],
+    pub szDescription: [i8; 127],
     pub Info: NTMS_I1_OBJECTINFORMATIONA_0,
 }
 impl ::core::marker::Copy for NTMS_I1_OBJECTINFORMATIONA {}
@@ -3385,14 +3385,14 @@ pub struct NTMS_I1_OPREQUESTINFORMATIONA {
     pub Request: u32,
     pub Submitted: super::super::Foundation::SYSTEMTIME,
     pub State: u32,
-    pub szMessage: [u8; 127],
+    pub szMessage: [i8; 127],
     pub Arg1Type: u32,
     pub Arg1: ::windows_sys::core::GUID,
     pub Arg2Type: u32,
     pub Arg2: ::windows_sys::core::GUID,
-    pub szApplication: [u8; 64],
-    pub szUser: [u8; 64],
-    pub szComputer: [u8; 64],
+    pub szApplication: [i8; 64],
+    pub szUser: [i8; 64],
+    pub szComputer: [i8; 64],
 }
 impl ::core::marker::Copy for NTMS_I1_OPREQUESTINFORMATIONA {}
 impl ::core::clone::Clone for NTMS_I1_OPREQUESTINFORMATIONA {
@@ -3428,8 +3428,8 @@ pub struct NTMS_I1_PARTITIONINFORMATIONA {
     pub Side: u16,
     pub dwOmidLabelIdLength: u32,
     pub OmidLabelId: [u8; 255],
-    pub szOmidLabelType: [u8; 64],
-    pub szOmidLabelInfo: [u8; 256],
+    pub szOmidLabelType: [i8; 64],
+    pub szOmidLabelInfo: [i8; 256],
     pub dwMountCount: u32,
     pub dwAllocateCount: u32,
 }
@@ -3466,9 +3466,9 @@ pub struct NTMS_I1_PMIDINFORMATIONA {
     pub LocationType: u32,
     pub MediaType: ::windows_sys::core::GUID,
     pub HomeSlot: ::windows_sys::core::GUID,
-    pub szBarCode: [u8; 64],
+    pub szBarCode: [i8; 64],
     pub BarCodeState: u32,
-    pub szSequenceNumber: [u8; 32],
+    pub szSequenceNumber: [i8; 32],
     pub MediaState: u32,
     pub dwNumberOfPartitions: u32,
 }
@@ -3569,9 +3569,9 @@ pub struct NTMS_LIBREQUESTINFORMATIONA {
     pub SlotId: ::windows_sys::core::GUID,
     pub TimeQueued: super::super::Foundation::SYSTEMTIME,
     pub TimeCompleted: super::super::Foundation::SYSTEMTIME,
-    pub szApplication: [u8; 64],
-    pub szUser: [u8; 64],
-    pub szComputer: [u8; 64],
+    pub szApplication: [i8; 64],
+    pub szUser: [i8; 64],
+    pub szComputer: [i8; 64],
     pub dwErrorCode: u32,
     pub WorkItemId: ::windows_sys::core::GUID,
     pub dwPriority: u32,
@@ -3680,8 +3680,8 @@ pub struct NTMS_OBJECTINFORMATIONA {
     pub ObjectGuid: ::windows_sys::core::GUID,
     pub Enabled: super::super::Foundation::BOOL,
     pub dwOperationalState: u32,
-    pub szName: [u8; 64],
-    pub szDescription: [u8; 127],
+    pub szName: [i8; 64],
+    pub szDescription: [i8; 127],
     pub Info: NTMS_OBJECTINFORMATIONA_0,
 }
 impl ::core::marker::Copy for NTMS_OBJECTINFORMATIONA {}
@@ -3764,14 +3764,14 @@ pub struct NTMS_OPREQUESTINFORMATIONA {
     pub Request: u32,
     pub Submitted: super::super::Foundation::SYSTEMTIME,
     pub State: u32,
-    pub szMessage: [u8; 256],
+    pub szMessage: [i8; 256],
     pub Arg1Type: u32,
     pub Arg1: ::windows_sys::core::GUID,
     pub Arg2Type: u32,
     pub Arg2: ::windows_sys::core::GUID,
-    pub szApplication: [u8; 64],
-    pub szUser: [u8; 64],
-    pub szComputer: [u8; 64],
+    pub szApplication: [i8; 64],
+    pub szUser: [i8; 64],
+    pub szComputer: [i8; 64],
 }
 impl ::core::marker::Copy for NTMS_OPREQUESTINFORMATIONA {}
 impl ::core::clone::Clone for NTMS_OPREQUESTINFORMATIONA {
@@ -3807,8 +3807,8 @@ pub struct NTMS_PARTITIONINFORMATIONA {
     pub Side: u16,
     pub dwOmidLabelIdLength: u32,
     pub OmidLabelId: [u8; 255],
-    pub szOmidLabelType: [u8; 64],
-    pub szOmidLabelInfo: [u8; 256],
+    pub szOmidLabelType: [i8; 64],
+    pub szOmidLabelInfo: [i8; 256],
     pub dwMountCount: u32,
     pub dwAllocateCount: u32,
     pub Capacity: i64,
@@ -3847,9 +3847,9 @@ pub struct NTMS_PMIDINFORMATIONA {
     pub LocationType: u32,
     pub MediaType: ::windows_sys::core::GUID,
     pub HomeSlot: ::windows_sys::core::GUID,
-    pub szBarCode: [u8; 64],
+    pub szBarCode: [i8; 64],
     pub BarCodeState: u32,
-    pub szSequenceNumber: [u8; 32],
+    pub szSequenceNumber: [i8; 32],
     pub MediaState: u32,
     pub dwNumberOfPartitions: u32,
     pub dwMediaTypeCode: u32,
@@ -3904,7 +3904,7 @@ pub struct OFSTRUCT {
     pub nErrCode: u16,
     pub Reserved1: u16,
     pub Reserved2: u16,
-    pub szPathName: [u8; 128],
+    pub szPathName: [i8; 128],
 }
 impl ::core::marker::Copy for OFSTRUCT {}
 impl ::core::clone::Clone for OFSTRUCT {
@@ -4745,8 +4745,8 @@ pub struct WIN32_FIND_DATAA {
     pub nFileSizeLow: u32,
     pub dwReserved0: u32,
     pub dwReserved1: u32,
-    pub cFileName: [u8; 260],
-    pub cAlternateFileName: [u8; 14],
+    pub cFileName: [i8; 260],
+    pub cAlternateFileName: [i8; 14],
 }
 impl ::core::marker::Copy for WIN32_FIND_DATAA {}
 impl ::core::clone::Clone for WIN32_FIND_DATAA {
diff --git a/crates/libs/sys/src/Windows/Win32/Storage/IscsiDisc/mod.rs b/crates/libs/sys/src/Windows/Win32/Storage/IscsiDisc/mod.rs
index d6b993f115..044387b0d8 100644
--- a/crates/libs/sys/src/Windows/Win32/Storage/IscsiDisc/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Storage/IscsiDisc/mod.rs
@@ -728,12 +728,12 @@ impl ::core::clone::Clone for ISCSI_CONNECTION_INFO_EX {
 #[doc = "Required features: `\"Win32_System_Ioctl\"`"]
 #[cfg(feature = "Win32_System_Ioctl")]
 pub struct ISCSI_DEVICE_ON_SESSIONA {
-    pub InitiatorName: [u8; 256],
-    pub TargetName: [u8; 224],
+    pub InitiatorName: [i8; 256],
+    pub TargetName: [i8; 224],
     pub ScsiAddress: SCSI_ADDRESS,
     pub DeviceInterfaceType: ::windows_sys::core::GUID,
-    pub DeviceInterfaceName: [u8; 260],
-    pub LegacyName: [u8; 260],
+    pub DeviceInterfaceName: [i8; 260],
+    pub LegacyName: [i8; 260],
     pub StorageDeviceNumber: super::super::System::Ioctl::STORAGE_DEVICE_NUMBER,
     pub DeviceInstance: u32,
 }
@@ -846,9 +846,9 @@ impl ::core::clone::Clone for ISCSI_SESSION_INFO_EX {
 }
 #[repr(C)]
 pub struct ISCSI_TARGET_MAPPINGA {
-    pub InitiatorName: [u8; 256],
-    pub TargetName: [u8; 224],
-    pub OSDeviceName: [u8; 260],
+    pub InitiatorName: [i8; 256],
+    pub TargetName: [i8; 224],
+    pub OSDeviceName: [i8; 260],
     pub SessionId: ISCSI_UNIQUE_SESSION_ID,
     pub OSBusNumber: u32,
     pub OSTargetNumber: u32,
@@ -880,8 +880,8 @@ impl ::core::clone::Clone for ISCSI_TARGET_MAPPINGW {
 }
 #[repr(C)]
 pub struct ISCSI_TARGET_PORTALA {
-    pub SymbolicName: [u8; 256],
-    pub Address: [u8; 256],
+    pub SymbolicName: [i8; 256],
+    pub Address: [i8; 256],
     pub Socket: u16,
 }
 impl ::core::marker::Copy for ISCSI_TARGET_PORTALA {}
@@ -926,10 +926,10 @@ impl ::core::clone::Clone for ISCSI_TARGET_PORTAL_GROUPW {
 }
 #[repr(C)]
 pub struct ISCSI_TARGET_PORTAL_INFOA {
-    pub InitiatorName: [u8; 256],
+    pub InitiatorName: [i8; 256],
     pub InitiatorPortNumber: u32,
-    pub SymbolicName: [u8; 256],
-    pub Address: [u8; 256],
+    pub SymbolicName: [i8; 256],
+    pub Address: [i8; 256],
     pub Socket: u16,
 }
 impl ::core::marker::Copy for ISCSI_TARGET_PORTAL_INFOA {}
@@ -954,10 +954,10 @@ impl ::core::clone::Clone for ISCSI_TARGET_PORTAL_INFOW {
 }
 #[repr(C)]
 pub struct ISCSI_TARGET_PORTAL_INFO_EXA {
-    pub InitiatorName: [u8; 256],
+    pub InitiatorName: [i8; 256],
     pub InitiatorPortNumber: u32,
-    pub SymbolicName: [u8; 256],
-    pub Address: [u8; 256],
+    pub SymbolicName: [i8; 256],
+    pub Address: [i8; 256],
     pub Socket: u16,
     pub SecurityFlags: u64,
     pub LoginOptions: ISCSI_LOGIN_OPTIONS,
@@ -1275,9 +1275,9 @@ impl ::core::clone::Clone for NV_SEP_CACHE_PARAMETER_0_0 {
 }
 #[repr(C)]
 pub struct PERSISTENT_ISCSI_LOGIN_INFOA {
-    pub TargetName: [u8; 224],
+    pub TargetName: [i8; 224],
     pub IsInformationalSession: super::super::Foundation::BOOLEAN,
-    pub InitiatorInstance: [u8; 256],
+    pub InitiatorInstance: [i8; 256],
     pub InitiatorPortNumber: u32,
     pub TargetPortal: ISCSI_TARGET_PORTALA,
     pub SecurityFlags: u64,
diff --git a/crates/libs/sys/src/Windows/Win32/Storage/Jet/mod.rs b/crates/libs/sys/src/Windows/Win32/Storage/Jet/mod.rs
index 381caa5864..b50c18dddd 100644
--- a/crates/libs/sys/src/Windows/Win32/Storage/Jet/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Storage/Jet/mod.rs
@@ -1443,12 +1443,12 @@ impl ::core::clone::Clone for JET_BKINFO_0 {
 }
 #[repr(C)]
 pub struct JET_BKLOGTIME {
-    pub bSeconds: u8,
-    pub bMinutes: u8,
-    pub bHours: u8,
-    pub bDay: u8,
-    pub bMonth: u8,
-    pub bYear: u8,
+    pub bSeconds: i8,
+    pub bMinutes: i8,
+    pub bHours: i8,
+    pub bDay: i8,
+    pub bMonth: i8,
+    pub bYear: i8,
     pub Anonymous1: JET_BKLOGTIME_0,
     pub Anonymous2: JET_BKLOGTIME_1,
 }
@@ -1460,7 +1460,7 @@ impl ::core::clone::Clone for JET_BKLOGTIME {
 }
 #[repr(C)]
 pub union JET_BKLOGTIME_0 {
-    pub bFiller1: u8,
+    pub bFiller1: i8,
     pub Anonymous: JET_BKLOGTIME_0_0,
 }
 impl ::core::marker::Copy for JET_BKLOGTIME_0 {}
@@ -1481,7 +1481,7 @@ impl ::core::clone::Clone for JET_BKLOGTIME_0_0 {
 }
 #[repr(C)]
 pub union JET_BKLOGTIME_1 {
-    pub bFiller2: u8,
+    pub bFiller2: i8,
     pub Anonymous: JET_BKLOGTIME_1_0,
 }
 impl ::core::marker::Copy for JET_BKLOGTIME_1 {}
@@ -1511,8 +1511,8 @@ pub struct JET_COLUMNBASE_A {
     pub wFiller: u16,
     pub cbMax: u32,
     pub grbit: u32,
-    pub szBaseTableName: [u8; 256],
-    pub szBaseColumnName: [u8; 256],
+    pub szBaseTableName: [i8; 256],
+    pub szBaseColumnName: [i8; 256],
 }
 impl ::core::marker::Copy for JET_COLUMNBASE_A {}
 impl ::core::clone::Clone for JET_COLUMNBASE_A {
@@ -2433,7 +2433,7 @@ pub struct JET_LOGINFO_A {
     pub cbSize: u32,
     pub ulGenLow: u32,
     pub ulGenHigh: u32,
-    pub szBaseName: [u8; 4],
+    pub szBaseName: [i8; 4],
 }
 impl ::core::marker::Copy for JET_LOGINFO_A {}
 impl ::core::clone::Clone for JET_LOGINFO_A {
@@ -2456,12 +2456,12 @@ impl ::core::clone::Clone for JET_LOGINFO_W {
 }
 #[repr(C)]
 pub struct JET_LOGTIME {
-    pub bSeconds: u8,
-    pub bMinutes: u8,
-    pub bHours: u8,
-    pub bDay: u8,
-    pub bMonth: u8,
-    pub bYear: u8,
+    pub bSeconds: i8,
+    pub bMinutes: i8,
+    pub bHours: i8,
+    pub bDay: i8,
+    pub bMonth: i8,
+    pub bYear: i8,
     pub Anonymous1: JET_LOGTIME_0,
     pub Anonymous2: JET_LOGTIME_1,
 }
@@ -2473,7 +2473,7 @@ impl ::core::clone::Clone for JET_LOGTIME {
 }
 #[repr(C)]
 pub union JET_LOGTIME_0 {
-    pub bFiller1: u8,
+    pub bFiller1: i8,
     pub Anonymous: JET_LOGTIME_0_0,
 }
 impl ::core::marker::Copy for JET_LOGTIME_0 {}
@@ -2494,7 +2494,7 @@ impl ::core::clone::Clone for JET_LOGTIME_0_0 {
 }
 #[repr(C)]
 pub union JET_LOGTIME_1 {
-    pub bFiller2: u8,
+    pub bFiller2: i8,
     pub Anonymous: JET_LOGTIME_1_0,
 }
 impl ::core::marker::Copy for JET_LOGTIME_1 {}
@@ -2947,7 +2947,7 @@ impl ::core::clone::Clone for JET_SETSYSPARAM_W {
 pub struct JET_SIGNATURE {
     pub ulRandom: u32,
     pub logtimeCreate: JET_LOGTIME,
-    pub szComputerName: [u8; 16],
+    pub szComputerName: [i8; 16],
 }
 impl ::core::marker::Copy for JET_SIGNATURE {}
 impl ::core::clone::Clone for JET_SIGNATURE {
diff --git a/crates/libs/sys/src/Windows/Win32/Storage/Nvme/mod.rs b/crates/libs/sys/src/Windows/Win32/Storage/Nvme/mod.rs
index b22b594b84..e9152cef18 100644
--- a/crates/libs/sys/src/Windows/Win32/Storage/Nvme/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/Storage/Nvme/mod.rs
@@ -4913,10 +4913,10 @@ impl ::core::clone::Clone for NVME_SANITIZE_STATUS_LOG {
 }
 #[repr(C)]
 pub struct NVME_SCSI_NAME_STRING {
-    pub PCIVendorID: [u8; 4],
-    pub ModelNumber: [u8; 40],
-    pub NamespaceID: [u8; 4],
-    pub SerialNumber: [u8; 20],
+    pub PCIVendorID: [i8; 4],
+    pub ModelNumber: [i8; 40],
+    pub NamespaceID: [i8; 4],
+    pub SerialNumber: [i8; 20],
 }
 impl ::core::marker::Copy for NVME_SCSI_NAME_STRING {}
 impl ::core::clone::Clone for NVME_SCSI_NAME_STRING {
diff --git a/crates/libs/sys/src/Windows/Win32/System/Com/StructuredStorage/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Com/StructuredStorage/mod.rs
index bbb6db1ab0..227b3c7980 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Com/StructuredStorage/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Com/StructuredStorage/mod.rs
@@ -720,7 +720,7 @@ impl ::core::clone::Clone for PROPVARIANT_0_0 {
 #[doc = "Required features: `\"Win32_System_Variant\"`"]
 #[cfg(feature = "Win32_System_Variant")]
 pub union PROPVARIANT_0_0_0 {
-    pub cVal: u8,
+    pub cVal: i8,
     pub bVal: u8,
     pub iVal: i16,
     pub uiVal: u16,
diff --git a/crates/libs/sys/src/Windows/Win32/System/Console/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Console/mod.rs
index 06a1ea9d28..2a31eea884 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Console/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Console/mod.rs
@@ -9,7 +9,7 @@
 ::windows_targets::link!("kernel32.dll" "system" fn ExpungeConsoleCommandHistoryA(exename : ::windows_sys::core::PCSTR));
 ::windows_targets::link!("kernel32.dll" "system" fn ExpungeConsoleCommandHistoryW(exename : ::windows_sys::core::PCWSTR));
 ::windows_targets::link!("kernel32.dll" "system" fn FillConsoleOutputAttribute(hconsoleoutput : super::super::Foundation:: HANDLE, wattribute : u16, nlength : u32, dwwritecoord : COORD, lpnumberofattrswritten : *mut u32) -> super::super::Foundation:: BOOL);
-::windows_targets::link!("kernel32.dll" "system" fn FillConsoleOutputCharacterA(hconsoleoutput : super::super::Foundation:: HANDLE, ccharacter : u8, nlength : u32, dwwritecoord : COORD, lpnumberofcharswritten : *mut u32) -> super::super::Foundation:: BOOL);
+::windows_targets::link!("kernel32.dll" "system" fn FillConsoleOutputCharacterA(hconsoleoutput : super::super::Foundation:: HANDLE, ccharacter : i8, nlength : u32, dwwritecoord : COORD, lpnumberofcharswritten : *mut u32) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("kernel32.dll" "system" fn FillConsoleOutputCharacterW(hconsoleoutput : super::super::Foundation:: HANDLE, ccharacter : u16, nlength : u32, dwwritecoord : COORD, lpnumberofcharswritten : *mut u32) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("kernel32.dll" "system" fn FlushConsoleInputBuffer(hconsoleinput : super::super::Foundation:: HANDLE) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("kernel32.dll" "system" fn FreeConsole() -> super::super::Foundation:: BOOL);
@@ -193,7 +193,7 @@ impl ::core::clone::Clone for CHAR_INFO {
 #[repr(C)]
 pub union CHAR_INFO_0 {
     pub UnicodeChar: u16,
-    pub AsciiChar: u8,
+    pub AsciiChar: i8,
 }
 impl ::core::marker::Copy for CHAR_INFO_0 {}
 impl ::core::clone::Clone for CHAR_INFO_0 {
@@ -373,7 +373,7 @@ impl ::core::clone::Clone for KEY_EVENT_RECORD {
 #[repr(C)]
 pub union KEY_EVENT_RECORD_0 {
     pub UnicodeChar: u16,
-    pub AsciiChar: u8,
+    pub AsciiChar: i8,
 }
 impl ::core::marker::Copy for KEY_EVENT_RECORD_0 {}
 impl ::core::clone::Clone for KEY_EVENT_RECORD_0 {
diff --git a/crates/libs/sys/src/Windows/Win32/System/CorrelationVector/mod.rs b/crates/libs/sys/src/Windows/Win32/System/CorrelationVector/mod.rs
index 955032df8c..83a1e6ad82 100644
--- a/crates/libs/sys/src/Windows/Win32/System/CorrelationVector/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/CorrelationVector/mod.rs
@@ -9,8 +9,8 @@ pub const RTL_CORRELATION_VECTOR_V2_LENGTH: u32 = 128u32;
 pub const RTL_CORRELATION_VECTOR_V2_PREFIX_LENGTH: u32 = 22u32;
 #[repr(C)]
 pub struct CORRELATION_VECTOR {
-    pub Version: u8,
-    pub Vector: [u8; 129],
+    pub Version: i8,
+    pub Vector: [i8; 129],
 }
 impl ::core::marker::Copy for CORRELATION_VECTOR {}
 impl ::core::clone::Clone for CORRELATION_VECTOR {
diff --git a/crates/libs/sys/src/Windows/Win32/System/DataExchange/mod.rs b/crates/libs/sys/src/Windows/Win32/System/DataExchange/mod.rs
index 6ce0d2fb34..0f34bd677b 100644
--- a/crates/libs/sys/src/Windows/Win32/System/DataExchange/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/DataExchange/mod.rs
@@ -471,7 +471,7 @@ pub struct MONHSZSTRUCTA {
     pub dwTime: u32,
     pub hsz: HSZ,
     pub hTask: super::super::Foundation::HANDLE,
-    pub str: [u8; 1],
+    pub str: [i8; 1],
 }
 impl ::core::marker::Copy for MONHSZSTRUCTA {}
 impl ::core::clone::Clone for MONHSZSTRUCTA {
diff --git a/crates/libs/sys/src/Windows/Win32/System/Diagnostics/Debug/Extensions/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Diagnostics/Debug/Extensions/mod.rs
index 1afae6935d..a6cd409eab 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Diagnostics/Debug/Extensions/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Diagnostics/Debug/Extensions/mod.rs
@@ -2233,8 +2233,8 @@ pub struct DBG_THREAD_ATTRIBUTES {
     pub BlockedOnTID: u64,
     pub CritSecAddress: u64,
     pub Timeout_msec: u32,
-    pub StringData: [u8; 100],
-    pub SymName: [u8; 100],
+    pub StringData: [i8; 100],
+    pub SymName: [i8; 100],
 }
 impl ::core::marker::Copy for DBG_THREAD_ATTRIBUTES {}
 impl ::core::clone::Clone for DBG_THREAD_ATTRIBUTES {
@@ -2254,11 +2254,11 @@ pub struct DEBUG_ANALYSIS_PROCESSOR_INFO {
     pub CurrentVoltage: u32,
     pub MaxClockSpeed: u32,
     pub ProcessorType: u32,
-    pub DeviceID: [u8; 32],
-    pub Manufacturer: [u8; 64],
-    pub Name: [u8; 64],
-    pub Version: [u8; 64],
-    pub Description: [u8; 64],
+    pub DeviceID: [i8; 32],
+    pub Manufacturer: [i8; 64],
+    pub Name: [i8; 64],
+    pub Version: [i8; 64],
+    pub Description: [i8; 64],
 }
 impl ::core::marker::Copy for DEBUG_ANALYSIS_PROCESSOR_INFO {}
 impl ::core::clone::Clone for DEBUG_ANALYSIS_PROCESSOR_INFO {
@@ -2359,8 +2359,8 @@ pub struct DEBUG_DECODE_ERROR {
     pub SizeOfStruct: u32,
     pub Code: u32,
     pub TreatAsStatus: super::super::super::super::Foundation::BOOL,
-    pub Source: [u8; 64],
-    pub Message: [u8; 260],
+    pub Source: [i8; 64],
+    pub Message: [i8; 260],
 }
 impl ::core::marker::Copy for DEBUG_DECODE_ERROR {}
 impl ::core::clone::Clone for DEBUG_DECODE_ERROR {
@@ -2666,9 +2666,9 @@ impl ::core::clone::Clone for DEBUG_PNP_TRIAGE_INFO {
 pub struct DEBUG_POOLTAG_DESCRIPTION {
     pub SizeOfStruct: u32,
     pub PoolTag: u32,
-    pub Description: [u8; 260],
-    pub Binary: [u8; 32],
-    pub Owner: [u8; 32],
+    pub Description: [i8; 260],
+    pub Binary: [i8; 32],
+    pub Owner: [i8; 32],
 }
 impl ::core::marker::Copy for DEBUG_POOLTAG_DESCRIPTION {}
 impl ::core::clone::Clone for DEBUG_POOLTAG_DESCRIPTION {
@@ -2687,7 +2687,7 @@ pub struct DEBUG_POOL_DATA {
     pub ProcessBilled: u64,
     pub Anonymous: DEBUG_POOL_DATA_0,
     pub Reserved2: [u64; 4],
-    pub PoolTagDescription: [u8; 64],
+    pub PoolTagDescription: [i8; 64],
 }
 impl ::core::marker::Copy for DEBUG_POOL_DATA {}
 impl ::core::clone::Clone for DEBUG_POOL_DATA {
@@ -2747,7 +2747,7 @@ pub struct DEBUG_PROCESSOR_IDENTIFICATION_AMD64 {
     pub Family: u32,
     pub Model: u32,
     pub Stepping: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_AMD64 {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_AMD64 {
@@ -2759,7 +2759,7 @@ impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_AMD64 {
 pub struct DEBUG_PROCESSOR_IDENTIFICATION_ARM {
     pub Model: u32,
     pub Revision: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_ARM {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_ARM {
@@ -2771,7 +2771,7 @@ impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_ARM {
 pub struct DEBUG_PROCESSOR_IDENTIFICATION_ARM64 {
     pub Model: u32,
     pub Revision: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_ARM64 {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_ARM64 {
@@ -2785,7 +2785,7 @@ pub struct DEBUG_PROCESSOR_IDENTIFICATION_IA64 {
     pub Revision: u32,
     pub Family: u32,
     pub ArchRev: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_IA64 {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_IA64 {
@@ -2798,7 +2798,7 @@ pub struct DEBUG_PROCESSOR_IDENTIFICATION_X86 {
     pub Family: u32,
     pub Model: u32,
     pub Stepping: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_X86 {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_X86 {
@@ -2848,17 +2848,17 @@ pub struct DEBUG_SMBIOS_INFO {
     pub BiosMinorRelease: u8,
     pub FirmwareMajorRelease: u8,
     pub FirmwareMinorRelease: u8,
-    pub BaseBoardManufacturer: [u8; 64],
-    pub BaseBoardProduct: [u8; 64],
-    pub BaseBoardVersion: [u8; 64],
-    pub BiosReleaseDate: [u8; 64],
-    pub BiosVendor: [u8; 64],
-    pub BiosVersion: [u8; 64],
-    pub SystemFamily: [u8; 64],
-    pub SystemManufacturer: [u8; 64],
-    pub SystemProductName: [u8; 64],
-    pub SystemSKU: [u8; 64],
-    pub SystemVersion: [u8; 64],
+    pub BaseBoardManufacturer: [i8; 64],
+    pub BaseBoardProduct: [i8; 64],
+    pub BaseBoardVersion: [i8; 64],
+    pub BiosReleaseDate: [i8; 64],
+    pub BiosVendor: [i8; 64],
+    pub BiosVersion: [i8; 64],
+    pub SystemFamily: [i8; 64],
+    pub SystemManufacturer: [i8; 64],
+    pub SystemProductName: [i8; 64],
+    pub SystemSKU: [i8; 64],
+    pub SystemVersion: [i8; 64],
 }
 impl ::core::marker::Copy for DEBUG_SMBIOS_INFO {}
 impl ::core::clone::Clone for DEBUG_SMBIOS_INFO {
@@ -3801,7 +3801,7 @@ pub struct KDEXT_FILELOCK_OWNER {
     pub OwnerThread: u64,
     pub WaitIrp: u64,
     pub DeviceObject: u64,
-    pub BlockingDirver: [u8; 32],
+    pub BlockingDirver: [i8; 32],
 }
 impl ::core::marker::Copy for KDEXT_FILELOCK_OWNER {}
 impl ::core::clone::Clone for KDEXT_FILELOCK_OWNER {
@@ -3876,11 +3876,11 @@ pub struct OS_INFO {
     pub ServicePackBuild: u32,
     pub Architecture: u32,
     pub Lcid: u32,
-    pub Name: [u8; 64],
-    pub FullName: [u8; 256],
-    pub Language: [u8; 30],
-    pub BuildVersion: [u8; 64],
-    pub ServicePackString: [u8; 64],
+    pub Name: [i8; 64],
+    pub FullName: [i8; 256],
+    pub Language: [i8; 30],
+    pub BuildVersion: [i8; 64],
+    pub ServicePackString: [i8; 64],
 }
 impl ::core::marker::Copy for OS_INFO {}
 impl ::core::clone::Clone for OS_INFO {
@@ -3906,9 +3906,9 @@ pub struct OS_INFO_v1 {
     pub Suite: u32,
     pub s: OS_INFO_v1_1,
     pub SrvPackNumber: u32,
-    pub Language: [u8; 30],
-    pub OsString: [u8; 64],
-    pub ServicePackString: [u8; 64],
+    pub Language: [i8; 30],
+    pub OsString: [i8; 64],
+    pub ServicePackString: [i8; 64],
 }
 impl ::core::marker::Copy for OS_INFO_v1 {}
 impl ::core::clone::Clone for OS_INFO_v1 {
@@ -4246,7 +4246,7 @@ pub struct TARGET_DEBUG_INFO {
     pub CrashTime: u64,
     pub OsInfo: OS_INFO,
     pub Cpu: CPU_INFO,
-    pub DumpFile: [u8; 260],
+    pub DumpFile: [i8; 260],
 }
 impl ::core::marker::Copy for TARGET_DEBUG_INFO {}
 impl ::core::clone::Clone for TARGET_DEBUG_INFO {
@@ -4266,9 +4266,9 @@ pub struct TARGET_DEBUG_INFO_v1 {
     pub Mode: u64,
     pub OsInfo: OS_INFO_v1,
     pub Cpu: CPU_INFO_v1,
-    pub DumpFile: [u8; 260],
+    pub DumpFile: [i8; 260],
     pub FailureData: *mut ::core::ffi::c_void,
-    pub StackTr: [u8; 4096],
+    pub StackTr: [i8; 4096],
 }
 impl ::core::marker::Copy for TARGET_DEBUG_INFO_v1 {}
 impl ::core::clone::Clone for TARGET_DEBUG_INFO_v1 {
@@ -4286,7 +4286,7 @@ pub struct TARGET_DEBUG_INFO_v2 {
     pub CrashTime: u64,
     pub OsInfo: OS_INFO,
     pub Cpu: CPU_INFO_v2,
-    pub DumpFile: [u8; 260],
+    pub DumpFile: [i8; 260],
 }
 impl ::core::marker::Copy for TARGET_DEBUG_INFO_v2 {}
 impl ::core::clone::Clone for TARGET_DEBUG_INFO_v2 {
@@ -4502,14 +4502,14 @@ impl ::core::clone::Clone for WINDBG_OLD_EXTENSION_APIS {
 }
 #[repr(C)]
 pub struct XML_DRIVER_NODE_INFO {
-    pub FileName: [u8; 64],
+    pub FileName: [i8; 64],
     pub FileSize: u64,
     pub CreationDate: u64,
-    pub Version: [u8; 64],
-    pub Manufacturer: [u8; 260],
-    pub ProductName: [u8; 260],
-    pub Group: [u8; 260],
-    pub Altitude: [u8; 260],
+    pub Version: [i8; 64],
+    pub Manufacturer: [i8; 260],
+    pub ProductName: [i8; 260],
+    pub Group: [i8; 260],
+    pub Altitude: [i8; 260],
 }
 impl ::core::marker::Copy for XML_DRIVER_NODE_INFO {}
 impl ::core::clone::Clone for XML_DRIVER_NODE_INFO {
diff --git a/crates/libs/sys/src/Windows/Win32/System/Diagnostics/Debug/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Diagnostics/Debug/mod.rs
index eabdf5cdb2..001a00e6a9 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Diagnostics/Debug/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Diagnostics/Debug/mod.rs
@@ -2819,7 +2819,7 @@ pub struct DUMP_HEADER32 {
     pub BugCheckParameter2: u32,
     pub BugCheckParameter3: u32,
     pub BugCheckParameter4: u32,
-    pub VersionUser: [u8; 32],
+    pub VersionUser: [i8; 32],
     pub PaeEnabled: u8,
     pub KdSecondaryVersion: u8,
     pub Spare3: [u8; 2],
@@ -2827,7 +2827,7 @@ pub struct DUMP_HEADER32 {
     pub Anonymous: DUMP_HEADER32_0,
     pub ContextRecord: [u8; 1200],
     pub Exception: EXCEPTION_RECORD32,
-    pub Comment: [u8; 128],
+    pub Comment: [i8; 128],
     pub Attributes: DUMP_FILE_ATTRIBUTES,
     pub BootId: u32,
     pub _reserved0: [u8; 1760],
@@ -2877,7 +2877,7 @@ pub struct DUMP_HEADER64 {
     pub BugCheckParameter2: u64,
     pub BugCheckParameter3: u64,
     pub BugCheckParameter4: u64,
-    pub VersionUser: [u8; 32],
+    pub VersionUser: [i8; 32],
     pub KdDebuggerDataBlock: u64,
     pub Anonymous: DUMP_HEADER64_0,
     pub ContextRecord: [u8; 3000],
@@ -2885,7 +2885,7 @@ pub struct DUMP_HEADER64 {
     pub DumpType: u32,
     pub RequiredDumpSpace: i64,
     pub SystemTime: i64,
-    pub Comment: [u8; 128],
+    pub Comment: [i8; 128],
     pub SystemUpTime: i64,
     pub MiniDumpFields: u32,
     pub SecondaryDataState: u32,
@@ -3109,7 +3109,7 @@ pub struct IMAGEHLP_DEFERRED_SYMBOL_LOAD {
     pub BaseOfImage: u32,
     pub CheckSum: u32,
     pub TimeDateStamp: u32,
-    pub FileName: [u8; 260],
+    pub FileName: [i8; 260],
     pub Reparse: super::super::super::Foundation::BOOLEAN,
     pub hFile: super::super::super::Foundation::HANDLE,
 }
@@ -3127,7 +3127,7 @@ pub struct IMAGEHLP_DEFERRED_SYMBOL_LOAD64 {
     pub BaseOfImage: u64,
     pub CheckSum: u32,
     pub TimeDateStamp: u32,
-    pub FileName: [u8; 260],
+    pub FileName: [i8; 260],
     pub Reparse: super::super::super::Foundation::BOOLEAN,
     pub hFile: super::super::super::Foundation::HANDLE,
     pub Flags: u32,
@@ -3295,9 +3295,9 @@ pub struct IMAGEHLP_MODULE {
     pub CheckSum: u32,
     pub NumSyms: u32,
     pub SymType: SYM_TYPE,
-    pub ModuleName: [u8; 32],
-    pub ImageName: [u8; 256],
-    pub LoadedImageName: [u8; 256],
+    pub ModuleName: [i8; 32],
+    pub ImageName: [i8; 256],
+    pub LoadedImageName: [i8; 256],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for IMAGEHLP_MODULE {}
@@ -3316,12 +3316,12 @@ pub struct IMAGEHLP_MODULE64 {
     pub CheckSum: u32,
     pub NumSyms: u32,
     pub SymType: SYM_TYPE,
-    pub ModuleName: [u8; 32],
-    pub ImageName: [u8; 256],
-    pub LoadedImageName: [u8; 256],
-    pub LoadedPdbName: [u8; 256],
+    pub ModuleName: [i8; 32],
+    pub ImageName: [i8; 256],
+    pub LoadedImageName: [i8; 256],
+    pub LoadedPdbName: [i8; 256],
     pub CVSig: u32,
-    pub CVData: [u8; 780],
+    pub CVData: [i8; 780],
     pub PdbSig: u32,
     pub PdbSig70: ::windows_sys::core::GUID,
     pub PdbAge: u32,
@@ -3446,7 +3446,7 @@ pub struct IMAGEHLP_SYMBOL {
     pub Size: u32,
     pub Flags: u32,
     pub MaxNameLength: u32,
-    pub Name: [u8; 1],
+    pub Name: [i8; 1],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL {}
@@ -3463,7 +3463,7 @@ pub struct IMAGEHLP_SYMBOL64 {
     pub Size: u32,
     pub Flags: u32,
     pub MaxNameLength: u32,
-    pub Name: [u8; 1],
+    pub Name: [i8; 1],
 }
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL64 {}
 impl ::core::clone::Clone for IMAGEHLP_SYMBOL64 {
@@ -3474,7 +3474,7 @@ impl ::core::clone::Clone for IMAGEHLP_SYMBOL64 {
 #[repr(C)]
 pub struct IMAGEHLP_SYMBOL64_PACKAGE {
     pub sym: IMAGEHLP_SYMBOL64,
-    pub name: [u8; 2001],
+    pub name: [i8; 2001],
 }
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL64_PACKAGE {}
 impl ::core::clone::Clone for IMAGEHLP_SYMBOL64_PACKAGE {
@@ -3544,7 +3544,7 @@ impl ::core::clone::Clone for IMAGEHLP_SYMBOLW_PACKAGE {
 #[cfg(target_arch = "x86")]
 pub struct IMAGEHLP_SYMBOL_PACKAGE {
     pub sym: IMAGEHLP_SYMBOL,
-    pub name: [u8; 2001],
+    pub name: [i8; 2001],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL_PACKAGE {}
@@ -3558,7 +3558,7 @@ impl ::core::clone::Clone for IMAGEHLP_SYMBOL_PACKAGE {
 pub struct IMAGEHLP_SYMBOL_SRC {
     pub sizeofstruct: u32,
     pub r#type: u32,
-    pub file: [u8; 260],
+    pub file: [i8; 260],
 }
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL_SRC {}
 impl ::core::clone::Clone for IMAGEHLP_SYMBOL_SRC {
@@ -6005,8 +6005,8 @@ pub struct SRCCODEINFO {
     pub SizeOfStruct: u32,
     pub Key: *mut ::core::ffi::c_void,
     pub ModBase: u64,
-    pub Obj: [u8; 261],
-    pub FileName: [u8; 261],
+    pub Obj: [i8; 261],
+    pub FileName: [i8; 261],
     pub LineNumber: u32,
     pub Address: u64,
 }
@@ -6113,7 +6113,7 @@ pub struct SYMBOL_INFO {
     pub Tag: u32,
     pub NameLen: u32,
     pub MaxNameLen: u32,
-    pub Name: [u8; 1],
+    pub Name: [i8; 1],
 }
 impl ::core::marker::Copy for SYMBOL_INFO {}
 impl ::core::clone::Clone for SYMBOL_INFO {
@@ -6148,7 +6148,7 @@ impl ::core::clone::Clone for SYMBOL_INFOW {
 #[repr(C)]
 pub struct SYMBOL_INFO_PACKAGE {
     pub si: SYMBOL_INFO,
-    pub name: [u8; 2001],
+    pub name: [i8; 2001],
 }
 impl ::core::marker::Copy for SYMBOL_INFO_PACKAGE {}
 impl ::core::clone::Clone for SYMBOL_INFO_PACKAGE {
@@ -6182,12 +6182,12 @@ impl ::core::clone::Clone for SYMSRV_EXTENDED_OUTPUT_DATA {
 #[repr(C)]
 pub struct SYMSRV_INDEX_INFO {
     pub sizeofstruct: u32,
-    pub file: [u8; 261],
+    pub file: [i8; 261],
     pub stripped: super::super::super::Foundation::BOOL,
     pub timestamp: u32,
     pub size: u32,
-    pub dbgfile: [u8; 261],
-    pub pdbfile: [u8; 261],
+    pub dbgfile: [i8; 261],
+    pub pdbfile: [i8; 261],
     pub guid: ::windows_sys::core::GUID,
     pub sig: u32,
     pub age: u32,
diff --git a/crates/libs/sys/src/Windows/Win32/System/Diagnostics/ToolHelp/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Diagnostics/ToolHelp/mod.rs
index 1dc554db4b..96e70cfc10 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Diagnostics/ToolHelp/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Diagnostics/ToolHelp/mod.rs
@@ -70,8 +70,8 @@ pub struct MODULEENTRY32 {
     pub modBaseAddr: *mut u8,
     pub modBaseSize: u32,
     pub hModule: super::super::super::Foundation::HMODULE,
-    pub szModule: [u8; 256],
-    pub szExePath: [u8; 260],
+    pub szModule: [i8; 256],
+    pub szExePath: [i8; 260],
 }
 impl ::core::marker::Copy for MODULEENTRY32 {}
 impl ::core::clone::Clone for MODULEENTRY32 {
@@ -109,7 +109,7 @@ pub struct PROCESSENTRY32 {
     pub th32ParentProcessID: u32,
     pub pcPriClassBase: i32,
     pub dwFlags: u32,
-    pub szExeFile: [u8; 260],
+    pub szExeFile: [i8; 260],
 }
 impl ::core::marker::Copy for PROCESSENTRY32 {}
 impl ::core::clone::Clone for PROCESSENTRY32 {
diff --git a/crates/libs/sys/src/Windows/Win32/System/DistributedTransactionCoordinator/mod.rs b/crates/libs/sys/src/Windows/Win32/System/DistributedTransactionCoordinator/mod.rs
index f0b76e6fb5..076ab34ce9 100644
--- a/crates/libs/sys/src/Windows/Win32/System/DistributedTransactionCoordinator/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/DistributedTransactionCoordinator/mod.rs
@@ -373,7 +373,7 @@ pub struct XID {
     pub formatID: i32,
     pub gtrid_length: i32,
     pub bqual_length: i32,
-    pub data: [u8; 128],
+    pub data: [i8; 128],
 }
 impl ::core::marker::Copy for XID {}
 impl ::core::clone::Clone for XID {
@@ -383,7 +383,7 @@ impl ::core::clone::Clone for XID {
 }
 #[repr(C)]
 pub struct xa_switch_t {
-    pub name: [u8; 32],
+    pub name: [i8; 32],
     pub flags: i32,
     pub version: i32,
     pub xa_open_entry: isize,
diff --git a/crates/libs/sys/src/Windows/Win32/System/GroupPolicy/mod.rs b/crates/libs/sys/src/Windows/Win32/System/GroupPolicy/mod.rs
index 7f26d50c15..f91d372fbf 100644
--- a/crates/libs/sys/src/Windows/Win32/System/GroupPolicy/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/GroupPolicy/mod.rs
@@ -361,7 +361,7 @@ pub struct GROUP_POLICY_OBJECTA {
     pub lpDSPath: ::windows_sys::core::PSTR,
     pub lpFileSysPath: ::windows_sys::core::PSTR,
     pub lpDisplayName: ::windows_sys::core::PSTR,
-    pub szGPOName: [u8; 50],
+    pub szGPOName: [i8; 50],
     pub GPOLink: GPO_LINK,
     pub lParam: super::super::Foundation::LPARAM,
     pub pNext: *mut GROUP_POLICY_OBJECTA,
diff --git a/crates/libs/sys/src/Windows/Win32/System/Iis/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Iis/mod.rs
index a4e94b5409..6d1de061ba 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Iis/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Iis/mod.rs
@@ -1039,7 +1039,7 @@ pub struct EXTENSION_CONTROL_BLOCK {
     pub dwVersion: u32,
     pub ConnID: HCONN,
     pub dwHttpStatusCode: u32,
-    pub lpszLogData: [u8; 80],
+    pub lpszLogData: [i8; 80],
     pub lpszMethod: ::windows_sys::core::PSTR,
     pub lpszQueryString: ::windows_sys::core::PSTR,
     pub lpszPathInfo: ::windows_sys::core::PSTR,
@@ -1225,7 +1225,7 @@ impl ::core::clone::Clone for HSE_UNICODE_URL_MAPEX_INFO {
 }
 #[repr(C)]
 pub struct HSE_URL_MAPEX_INFO {
-    pub lpszPath: [u8; 260],
+    pub lpszPath: [i8; 260],
     pub dwFlags: u32,
     pub cchMatchingPath: u32,
     pub cchMatchingURL: u32,
@@ -1254,7 +1254,7 @@ impl ::core::clone::Clone for HSE_VECTOR_ELEMENT {
 #[repr(C)]
 pub struct HSE_VERSION_INFO {
     pub dwExtensionVersion: u32,
-    pub lpszExtensionDesc: [u8; 256],
+    pub lpszExtensionDesc: [i8; 256],
 }
 impl ::core::marker::Copy for HSE_VERSION_INFO {}
 impl ::core::clone::Clone for HSE_VERSION_INFO {
@@ -1402,7 +1402,7 @@ impl ::core::clone::Clone for HTTP_FILTER_URL_MAP_EX {
 pub struct HTTP_FILTER_VERSION {
     pub dwServerFilterVersion: u32,
     pub dwFilterVersion: u32,
-    pub lpszFilterDesc: [u8; 257],
+    pub lpszFilterDesc: [i8; 257],
     pub dwFlags: u32,
 }
 impl ::core::marker::Copy for HTTP_FILTER_VERSION {}
diff --git a/crates/libs/sys/src/Windows/Win32/System/Ioctl/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Ioctl/mod.rs
index 0b4751cb4f..ccf29e1757 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Ioctl/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Ioctl/mod.rs
@@ -2326,7 +2326,7 @@ impl ::core::clone::Clone for DEVICEDUMP_PRIVATE_SUBSECTION {
 pub struct DEVICEDUMP_PUBLIC_SUBSECTION {
     pub dwFlags: u32,
     pub GPLogTable: [GP_LOG_PAGE_DESCRIPTOR; 16],
-    pub szDescription: [u8; 16],
+    pub szDescription: [i8; 16],
     pub bData: [u8; 1],
 }
 impl ::core::marker::Copy for DEVICEDUMP_PUBLIC_SUBSECTION {}
@@ -4078,7 +4078,7 @@ impl ::core::clone::Clone for FILE_STORAGE_TIER_REGION {
 }
 #[repr(C)]
 pub struct FILE_SYSTEM_RECOGNITION_INFORMATION {
-    pub FileSystem: [u8; 9],
+    pub FileSystem: [i8; 9],
 }
 impl ::core::marker::Copy for FILE_SYSTEM_RECOGNITION_INFORMATION {}
 impl ::core::clone::Clone for FILE_SYSTEM_RECOGNITION_INFORMATION {
@@ -5874,7 +5874,7 @@ pub struct SCM_PD_DEVICE_INFO {
     pub ManufacturingYear: u8,
     pub SerialNumber4Byte: u32,
     pub SerialNumberLengthInChars: u32,
-    pub SerialNumber: [u8; 1],
+    pub SerialNumber: [i8; 1],
 }
 impl ::core::marker::Copy for SCM_PD_DEVICE_INFO {}
 impl ::core::clone::Clone for SCM_PD_DEVICE_INFO {
diff --git a/crates/libs/sys/src/Windows/Win32/System/Ole/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Ole/mod.rs
index 5d03a3de6e..e1c79faf36 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Ole/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Ole/mod.rs
@@ -284,7 +284,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarBoolFromDec(pdecin : *const super::super::Foundation:: DECIMAL, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarBoolFromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarBoolFromI1(cin : u8, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarBoolFromI1(cin : i8, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarBoolFromI2(sin : i16, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarBoolFromI4(lin : i32, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarBoolFromI8(i64in : i64, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_sys::core::HRESULT);
@@ -304,7 +304,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarBstrFromDec(pdecin : *const super::super::Foundation:: DECIMAL, lcid : u32, dwflags : u32, pbstrout : *mut ::windows_sys::core::BSTR) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarBstrFromDisp(pdispin : super::Com:: IDispatch, lcid : u32, dwflags : u32, pbstrout : *mut ::windows_sys::core::BSTR) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarBstrFromI1(cin : u8, lcid : u32, dwflags : u32, pbstrout : *mut ::windows_sys::core::BSTR) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarBstrFromI1(cin : i8, lcid : u32, dwflags : u32, pbstrout : *mut ::windows_sys::core::BSTR) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarBstrFromI2(ival : i16, lcid : u32, dwflags : u32, pbstrout : *mut ::windows_sys::core::BSTR) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarBstrFromI4(lin : i32, lcid : u32, dwflags : u32, pbstrout : *mut ::windows_sys::core::BSTR) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarBstrFromI8(i64in : i64, lcid : u32, dwflags : u32, pbstrout : *mut ::windows_sys::core::BSTR) -> ::windows_sys::core::HRESULT);
@@ -337,7 +337,7 @@
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarCyFromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pcyout : *mut super::Com:: CY) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
-::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarCyFromI1(cin : u8, pcyout : *mut super::Com:: CY) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarCyFromI1(cin : i8, pcyout : *mut super::Com:: CY) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarCyFromI2(sin : i16, pcyout : *mut super::Com:: CY) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
@@ -378,7 +378,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarDateFromDec(pdecin : *const super::super::Foundation:: DECIMAL, pdateout : *mut f64) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarDateFromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pdateout : *mut f64) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarDateFromI1(cin : u8, pdateout : *mut f64) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarDateFromI1(cin : i8, pdateout : *mut f64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarDateFromI2(sin : i16, pdateout : *mut f64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarDateFromI4(lin : i32, pdateout : *mut f64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarDateFromI8(i64in : i64, pdateout : *mut f64) -> ::windows_sys::core::HRESULT);
@@ -403,7 +403,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarDecFromDate(datein : f64, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarDecFromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarDecFromI1(cin : u8, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarDecFromI1(cin : i8, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarDecFromI2(uiin : i16, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarDecFromI4(lin : i32, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarDecFromI8(i64in : i64, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_sys::core::HRESULT);
@@ -461,7 +461,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI2FromDec(pdecin : *const super::super::Foundation:: DECIMAL, psout : *mut i16) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarI2FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, psout : *mut i16) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarI2FromI1(cin : u8, psout : *mut i16) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarI2FromI1(cin : i8, psout : *mut i16) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI2FromI4(lin : i32, psout : *mut i16) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI2FromI8(i64in : i64, psout : *mut i16) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI2FromR4(fltin : f32, psout : *mut i16) -> ::windows_sys::core::HRESULT);
@@ -478,7 +478,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI4FromDec(pdecin : *const super::super::Foundation:: DECIMAL, plout : *mut i32) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarI4FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, plout : *mut i32) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarI4FromI1(cin : u8, plout : *mut i32) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarI4FromI1(cin : i8, plout : *mut i32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI4FromI2(sin : i16, plout : *mut i32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI4FromI8(i64in : i64, plout : *mut i32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI4FromR4(fltin : f32, plout : *mut i32) -> ::windows_sys::core::HRESULT);
@@ -495,7 +495,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI8FromDec(pdecin : *const super::super::Foundation:: DECIMAL, pi64out : *mut i64) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarI8FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pi64out : *mut i64) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarI8FromI1(cin : u8, pi64out : *mut i64) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarI8FromI1(cin : i8, pi64out : *mut i64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI8FromI2(sin : i16, pi64out : *mut i64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI8FromR4(fltin : f32, pi64out : *mut i64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarI8FromR8(dblin : f64, pi64out : *mut i64) -> ::windows_sys::core::HRESULT);
@@ -534,7 +534,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarR4FromDec(pdecin : *const super::super::Foundation:: DECIMAL, pfltout : *mut f32) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarR4FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pfltout : *mut f32) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarR4FromI1(cin : u8, pfltout : *mut f32) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarR4FromI1(cin : i8, pfltout : *mut f32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarR4FromI2(sin : i16, pfltout : *mut f32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarR4FromI4(lin : i32, pfltout : *mut f32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarR4FromI8(i64in : i64, pfltout : *mut f32) -> ::windows_sys::core::HRESULT);
@@ -551,7 +551,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarR8FromDec(pdecin : *const super::super::Foundation:: DECIMAL, pdblout : *mut f64) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarR8FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pdblout : *mut f64) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarR8FromI1(cin : u8, pdblout : *mut f64) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarR8FromI1(cin : i8, pdblout : *mut f64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarR8FromI2(sin : i16, pdblout : *mut f64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarR8FromI4(lin : i32, pdblout : *mut f64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarR8FromI8(i64in : i64, pdblout : *mut f64) -> ::windows_sys::core::HRESULT);
@@ -575,7 +575,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI1FromDec(pdecin : *const super::super::Foundation:: DECIMAL, pbout : *mut u8) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarUI1FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pbout : *mut u8) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarUI1FromI1(cin : u8, pbout : *mut u8) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarUI1FromI1(cin : i8, pbout : *mut u8) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI1FromI2(sin : i16, pbout : *mut u8) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI1FromI4(lin : i32, pbout : *mut u8) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI1FromI8(i64in : i64, pbout : *mut u8) -> ::windows_sys::core::HRESULT);
@@ -592,7 +592,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI2FromDec(pdecin : *const super::super::Foundation:: DECIMAL, puiout : *mut u16) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarUI2FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, puiout : *mut u16) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarUI2FromI1(cin : u8, puiout : *mut u16) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarUI2FromI1(cin : i8, puiout : *mut u16) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI2FromI2(uiin : i16, puiout : *mut u16) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI2FromI4(lin : i32, puiout : *mut u16) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI2FromI8(i64in : i64, puiout : *mut u16) -> ::windows_sys::core::HRESULT);
@@ -609,7 +609,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI4FromDec(pdecin : *const super::super::Foundation:: DECIMAL, pulout : *mut u32) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarUI4FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pulout : *mut u32) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarUI4FromI1(cin : u8, pulout : *mut u32) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarUI4FromI1(cin : i8, pulout : *mut u32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI4FromI2(uiin : i16, pulout : *mut u32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI4FromI4(lin : i32, pulout : *mut u32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI4FromI8(i64in : i64, plout : *mut u32) -> ::windows_sys::core::HRESULT);
@@ -626,7 +626,7 @@
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI8FromDec(pdecin : *const super::super::Foundation:: DECIMAL, pi64out : *mut u64) -> ::windows_sys::core::HRESULT);
 #[cfg(feature = "Win32_System_Com")]
 ::windows_targets::link!("oleaut32.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`"] fn VarUI8FromDisp(pdispin : super::Com:: IDispatch, lcid : u32, pi64out : *mut u64) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("oleaut32.dll" "system" fn VarUI8FromI1(cin : u8, pi64out : *mut u64) -> ::windows_sys::core::HRESULT);
+::windows_targets::link!("oleaut32.dll" "system" fn VarUI8FromI1(cin : i8, pi64out : *mut u64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI8FromI2(sin : i16, pi64out : *mut u64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI8FromI8(ui64in : i64, pi64out : *mut u64) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("oleaut32.dll" "system" fn VarUI8FromR4(fltin : f32, pi64out : *mut u64) -> ::windows_sys::core::HRESULT);
@@ -2191,7 +2191,7 @@ pub struct OLEUICHANGEICONA {
     pub hResource: super::super::Foundation::HRSRC,
     pub hMetaPict: super::super::Foundation::HGLOBAL,
     pub clsid: ::windows_sys::core::GUID,
-    pub szIconExe: [u8; 260],
+    pub szIconExe: [i8; 260],
     pub cchIconExe: i32,
 }
 impl ::core::marker::Copy for OLEUICHANGEICONA {}
@@ -3188,7 +3188,7 @@ pub union _wireVARIANT_0 {
     pub ppdispVal: *mut super::Com::IDispatch,
     pub pparray: *mut *mut *mut _wireSAFEARRAY,
     pub pvarVal: *mut *mut _wireVARIANT,
-    pub cVal: u8,
+    pub cVal: i8,
     pub uiVal: u16,
     pub ulVal: u32,
     pub ullVal: u64,
diff --git a/crates/libs/sys/src/Windows/Win32/System/PasswordManagement/mod.rs b/crates/libs/sys/src/Windows/Win32/System/PasswordManagement/mod.rs
index 2418f32b8d..46c55b3b48 100644
--- a/crates/libs/sys/src/Windows/Win32/System/PasswordManagement/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/PasswordManagement/mod.rs
@@ -2,7 +2,7 @@
 ::windows_targets::link!("advapi32.dll" "system" fn MSChapSrvChangePassword2(servername : ::windows_sys::core::PCWSTR, username : ::windows_sys::core::PCWSTR, newpasswordencryptedwitholdnt : *const SAMPR_ENCRYPTED_USER_PASSWORD, oldntowfpasswordencryptedwithnewnt : *const ENCRYPTED_LM_OWF_PASSWORD, lmpresent : super::super::Foundation:: BOOLEAN, newpasswordencryptedwitholdlm : *const SAMPR_ENCRYPTED_USER_PASSWORD, oldlmowfpasswordencryptedwithnewlmornt : *const ENCRYPTED_LM_OWF_PASSWORD) -> u32);
 #[repr(C)]
 pub struct CYPHER_BLOCK {
-    pub data: [u8; 8],
+    pub data: [i8; 8],
 }
 impl ::core::marker::Copy for CYPHER_BLOCK {}
 impl ::core::clone::Clone for CYPHER_BLOCK {
diff --git a/crates/libs/sys/src/Windows/Win32/System/RemoteDesktop/mod.rs b/crates/libs/sys/src/Windows/Win32/System/RemoteDesktop/mod.rs
index 384807e3ae..a2c243049d 100644
--- a/crates/libs/sys/src/Windows/Win32/System/RemoteDesktop/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/RemoteDesktop/mod.rs
@@ -813,7 +813,7 @@ impl ::core::clone::Clone for BITMAP_RENDERER_STATISTICS {
 }
 #[repr(C, packed(1))]
 pub struct CHANNEL_DEF {
-    pub name: [u8; 8],
+    pub name: [i8; 8],
     pub options: u32,
 }
 impl ::core::marker::Copy for CHANNEL_DEF {}
@@ -862,8 +862,8 @@ impl ::core::clone::Clone for CLIENT_DISPLAY {
 }
 #[repr(C)]
 pub struct PRODUCT_INFOA {
-    pub CompanyName: [u8; 256],
-    pub ProductID: [u8; 4],
+    pub CompanyName: [i8; 256],
+    pub ProductID: [i8; 4],
 }
 impl ::core::marker::Copy for PRODUCT_INFOA {}
 impl ::core::clone::Clone for PRODUCT_INFOA {
@@ -1272,25 +1272,25 @@ impl ::core::clone::Clone for WRDS_SETTINGS_1 {
 }
 #[repr(C)]
 pub struct WTSCLIENTA {
-    pub ClientName: [u8; 21],
-    pub Domain: [u8; 18],
-    pub UserName: [u8; 21],
-    pub WorkDirectory: [u8; 261],
-    pub InitialProgram: [u8; 261],
+    pub ClientName: [i8; 21],
+    pub Domain: [i8; 18],
+    pub UserName: [i8; 21],
+    pub WorkDirectory: [i8; 261],
+    pub InitialProgram: [i8; 261],
     pub EncryptionLevel: u8,
     pub ClientAddressFamily: u32,
     pub ClientAddress: [u16; 31],
     pub HRes: u16,
     pub VRes: u16,
     pub ColorDepth: u16,
-    pub ClientDirectory: [u8; 261],
+    pub ClientDirectory: [i8; 261],
     pub ClientBuildNumber: u32,
     pub ClientHardwareId: u32,
     pub ClientProductId: u16,
     pub OutBufCountHost: u16,
     pub OutBufCountClient: u16,
     pub OutBufLength: u16,
-    pub DeviceId: [u8; 261],
+    pub DeviceId: [i8; 261],
 }
 impl ::core::marker::Copy for WTSCLIENTA {}
 impl ::core::clone::Clone for WTSCLIENTA {
@@ -1334,11 +1334,11 @@ pub struct WTSCONFIGINFOA {
     pub fDisablePrinterRedirection: u32,
     pub fDisableDefaultMainClientPrinter: u32,
     pub ShadowSettings: u32,
-    pub LogonUserName: [u8; 21],
-    pub LogonDomain: [u8; 18],
-    pub WorkDirectory: [u8; 261],
-    pub InitialProgram: [u8; 261],
-    pub ApplicationName: [u8; 261],
+    pub LogonUserName: [i8; 21],
+    pub LogonDomain: [i8; 18],
+    pub WorkDirectory: [i8; 261],
+    pub InitialProgram: [i8; 261],
+    pub ApplicationName: [i8; 261],
 }
 impl ::core::marker::Copy for WTSCONFIGINFOA {}
 impl ::core::clone::Clone for WTSCONFIGINFOA {
@@ -1376,9 +1376,9 @@ pub struct WTSINFOA {
     pub OutgoingFrames: u32,
     pub IncomingCompressedBytes: u32,
     pub OutgoingCompressedBy: u32,
-    pub WinStationName: [u8; 32],
-    pub Domain: [u8; 17],
-    pub UserName: [u8; 21],
+    pub WinStationName: [i8; 32],
+    pub Domain: [i8; 17],
+    pub UserName: [i8; 21],
     pub ConnectTime: i64,
     pub DisconnectTime: i64,
     pub LastInputTime: i64,
@@ -1418,9 +1418,9 @@ pub struct WTSINFOEX_LEVEL1_A {
     pub SessionId: u32,
     pub SessionState: WTS_CONNECTSTATE_CLASS,
     pub SessionFlags: i32,
-    pub WinStationName: [u8; 33],
-    pub UserName: [u8; 21],
-    pub DomainName: [u8; 18],
+    pub WinStationName: [i8; 33],
+    pub UserName: [i8; 21],
+    pub DomainName: [i8; 18],
     pub LogonTime: i64,
     pub ConnectTime: i64,
     pub DisconnectTime: i64,
@@ -1538,11 +1538,11 @@ pub struct WTSLISTENERCONFIGA {
     pub SecurityLayer: u32,
     pub MinEncryptionLevel: u32,
     pub UserAuthentication: u32,
-    pub Comment: [u8; 61],
-    pub LogonUserName: [u8; 21],
-    pub LogonDomain: [u8; 18],
-    pub WorkDirectory: [u8; 261],
-    pub InitialProgram: [u8; 261],
+    pub Comment: [i8; 61],
+    pub LogonUserName: [i8; 21],
+    pub LogonDomain: [i8; 18],
+    pub WorkDirectory: [i8; 261],
+    pub InitialProgram: [i8; 261],
 }
 impl ::core::marker::Copy for WTSLISTENERCONFIGA {}
 impl ::core::clone::Clone for WTSLISTENERCONFIGA {
@@ -1675,11 +1675,11 @@ pub struct WTSUSERCONFIGA {
     pub ReconnectSettings: u32,
     pub ShadowingSettings: u32,
     pub TerminalServerRemoteHomeDir: u32,
-    pub InitialProgram: [u8; 261],
-    pub WorkDirectory: [u8; 261],
-    pub TerminalServerProfilePath: [u8; 261],
-    pub TerminalServerHomeDir: [u8; 261],
-    pub TerminalServerHomeDirDrive: [u8; 4],
+    pub InitialProgram: [i8; 261],
+    pub WorkDirectory: [i8; 261],
+    pub TerminalServerProfilePath: [i8; 261],
+    pub TerminalServerHomeDir: [i8; 261],
+    pub TerminalServerHomeDirDrive: [i8; 4],
 }
 impl ::core::marker::Copy for WTSUSERCONFIGA {}
 impl ::core::clone::Clone for WTSUSERCONFIGA {
diff --git a/crates/libs/sys/src/Windows/Win32/System/Restore/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Restore/mod.rs
index de3e7c4188..7e990b5dfa 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Restore/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Restore/mod.rs
@@ -38,7 +38,7 @@ pub struct RESTOREPOINTINFOA {
     pub dwEventType: RESTOREPOINTINFO_EVENT_TYPE,
     pub dwRestorePtType: RESTOREPOINTINFO_TYPE,
     pub llSequenceNumber: i64,
-    pub szDescription: [u8; 64],
+    pub szDescription: [i8; 64],
 }
 impl ::core::marker::Copy for RESTOREPOINTINFOA {}
 impl ::core::clone::Clone for RESTOREPOINTINFOA {
diff --git a/crates/libs/sys/src/Windows/Win32/System/SystemInformation/mod.rs b/crates/libs/sys/src/Windows/Win32/System/SystemInformation/mod.rs
index f20cd763ac..fc232c95a3 100644
--- a/crates/libs/sys/src/Windows/Win32/System/SystemInformation/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/SystemInformation/mod.rs
@@ -602,7 +602,7 @@ pub struct OSVERSIONINFOA {
     pub dwMinorVersion: u32,
     pub dwBuildNumber: u32,
     pub dwPlatformId: u32,
-    pub szCSDVersion: [u8; 128],
+    pub szCSDVersion: [i8; 128],
 }
 impl ::core::marker::Copy for OSVERSIONINFOA {}
 impl ::core::clone::Clone for OSVERSIONINFOA {
@@ -617,7 +617,7 @@ pub struct OSVERSIONINFOEXA {
     pub dwMinorVersion: u32,
     pub dwBuildNumber: u32,
     pub dwPlatformId: u32,
-    pub szCSDVersion: [u8; 128],
+    pub szCSDVersion: [i8; 128],
     pub wServicePackMajor: u16,
     pub wServicePackMinor: u16,
     pub wSuiteMask: u16,
diff --git a/crates/libs/sys/src/Windows/Win32/System/SystemServices/mod.rs b/crates/libs/sys/src/Windows/Win32/System/SystemServices/mod.rs
index 610898d52a..5c83829b3a 100644
--- a/crates/libs/sys/src/Windows/Win32/System/SystemServices/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/SystemServices/mod.rs
@@ -3479,7 +3479,7 @@ impl ::core::clone::Clone for IMAGE_HOT_PATCH_INFO {
 #[repr(C)]
 pub struct IMAGE_IMPORT_BY_NAME {
     pub Hint: u16,
-    pub Name: [u8; 1],
+    pub Name: [i8; 1],
 }
 impl ::core::marker::Copy for IMAGE_IMPORT_BY_NAME {}
 impl ::core::clone::Clone for IMAGE_IMPORT_BY_NAME {
@@ -3557,8 +3557,8 @@ impl ::core::clone::Clone for IMAGE_LINENUMBER_0 {
 #[repr(C, packed(2))]
 pub struct IMAGE_OS2_HEADER {
     pub ne_magic: u16,
-    pub ne_ver: u8,
-    pub ne_rev: u8,
+    pub ne_ver: i8,
+    pub ne_rev: i8,
     pub ne_enttab: u16,
     pub ne_cbenttab: u16,
     pub ne_crc: i32,
@@ -3757,7 +3757,7 @@ impl ::core::clone::Clone for IMAGE_RESOURCE_DIRECTORY_ENTRY_1_0 {
 #[repr(C)]
 pub struct IMAGE_RESOURCE_DIRECTORY_STRING {
     pub Length: u16,
-    pub NameString: [u8; 1],
+    pub NameString: [i8; 1],
 }
 impl ::core::marker::Copy for IMAGE_RESOURCE_DIRECTORY_STRING {}
 impl ::core::clone::Clone for IMAGE_RESOURCE_DIRECTORY_STRING {
diff --git a/crates/libs/sys/src/Windows/Win32/System/Variant/mod.rs b/crates/libs/sys/src/Windows/Win32/System/Variant/mod.rs
index 14c00671fd..e10cca4c14 100644
--- a/crates/libs/sys/src/Windows/Win32/System/Variant/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/Variant/mod.rs
@@ -321,7 +321,7 @@ pub union VARIANT_0_0_0 {
     pub pparray: *mut *mut super::Com::SAFEARRAY,
     pub pvarVal: *mut VARIANT,
     pub byref: *mut ::core::ffi::c_void,
-    pub cVal: u8,
+    pub cVal: i8,
     pub uiVal: u16,
     pub ulVal: u32,
     pub ullVal: u64,
diff --git a/crates/libs/sys/src/Windows/Win32/System/VirtualDosMachines/mod.rs b/crates/libs/sys/src/Windows/Win32/System/VirtualDosMachines/mod.rs
index bab2f851cc..5789cb8b0f 100644
--- a/crates/libs/sys/src/Windows/Win32/System/VirtualDosMachines/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/VirtualDosMachines/mod.rs
@@ -117,8 +117,8 @@ impl ::core::clone::Clone for GLOBALENTRY {
 }
 #[repr(C)]
 pub struct IMAGE_NOTE {
-    pub Module: [u8; 10],
-    pub FileName: [u8; 256],
+    pub Module: [i8; 10],
+    pub FileName: [i8; 256],
     pub hModule: u16,
     pub hTask: u16,
 }
@@ -131,10 +131,10 @@ impl ::core::clone::Clone for IMAGE_NOTE {
 #[repr(C, packed(4))]
 pub struct MODULEENTRY {
     pub dwSize: u32,
-    pub szModule: [u8; 10],
+    pub szModule: [i8; 10],
     pub hModule: super::super::Foundation::HANDLE,
     pub wcUsage: u16,
-    pub szExePath: [u8; 256],
+    pub szExePath: [i8; 256],
     pub wNext: u16,
 }
 impl ::core::marker::Copy for MODULEENTRY {}
@@ -148,8 +148,8 @@ pub struct SEGMENT_NOTE {
     pub Selector1: u16,
     pub Selector2: u16,
     pub Segment: u16,
-    pub Module: [u8; 10],
-    pub FileName: [u8; 256],
+    pub Module: [i8; 10],
+    pub FileName: [i8; 256],
     pub Type: u16,
     pub Length: u32,
 }
@@ -313,8 +313,8 @@ pub struct VDM_SEGINFO {
     pub SegNumber: u16,
     pub Length: u32,
     pub Type: u16,
-    pub ModuleName: [u8; 9],
-    pub FileName: [u8; 255],
+    pub ModuleName: [i8; 9],
+    pub FileName: [i8; 255],
 }
 impl ::core::marker::Copy for VDM_SEGINFO {}
 impl ::core::clone::Clone for VDM_SEGINFO {
diff --git a/crates/libs/sys/src/Windows/Win32/System/WindowsProgramming/mod.rs b/crates/libs/sys/src/Windows/Win32/System/WindowsProgramming/mod.rs
index 0e2dc31835..0d030bf3bb 100644
--- a/crates/libs/sys/src/Windows/Win32/System/WindowsProgramming/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/System/WindowsProgramming/mod.rs
@@ -1049,7 +1049,7 @@ pub struct CABINFOA {
     pub pszCab: ::windows_sys::core::PSTR,
     pub pszInf: ::windows_sys::core::PSTR,
     pub pszSection: ::windows_sys::core::PSTR,
-    pub szSrcPath: [u8; 260],
+    pub szSrcPath: [i8; 260],
     pub dwFlags: u32,
 }
 impl ::core::marker::Copy for CABINFOA {}
@@ -1306,8 +1306,8 @@ pub type HWINWATCH = isize;
 #[repr(C)]
 pub struct HW_PROFILE_INFOA {
     pub dwDockInfo: u32,
-    pub szHwProfileGuid: [u8; 39],
-    pub szHwProfileName: [u8; 80],
+    pub szHwProfileGuid: [i8; 39],
+    pub szHwProfileName: [i8; 80],
 }
 impl ::core::marker::Copy for HW_PROFILE_INFOA {}
 impl ::core::clone::Clone for HW_PROFILE_INFOA {
@@ -1535,12 +1535,12 @@ impl ::core::clone::Clone for LDR_DATA_TABLE_ENTRY_0 {
 }
 #[repr(C)]
 pub struct PERUSERSECTIONA {
-    pub szGUID: [u8; 59],
-    pub szDispName: [u8; 128],
-    pub szLocale: [u8; 10],
-    pub szStub: [u8; 1040],
-    pub szVersion: [u8; 32],
-    pub szCompID: [u8; 128],
+    pub szGUID: [i8; 59],
+    pub szDispName: [i8; 128],
+    pub szLocale: [i8; 10],
+    pub szStub: [i8; 1040],
+    pub szVersion: [i8; 32],
+    pub szCompID: [i8; 128],
     pub dwIsInstalled: u32,
     pub bRollback: super::super::Foundation::BOOL,
 }
diff --git a/crates/libs/sys/src/Windows/Win32/UI/ColorSystem/mod.rs b/crates/libs/sys/src/Windows/Win32/UI/ColorSystem/mod.rs
index 1520348c5a..5bb6690b37 100644
--- a/crates/libs/sys/src/Windows/Win32/UI/ColorSystem/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/UI/ColorSystem/mod.rs
@@ -659,7 +659,7 @@ pub struct LOGCOLORSPACEA {
     pub lcsGammaRed: u32,
     pub lcsGammaGreen: u32,
     pub lcsGammaBlue: u32,
-    pub lcsFilename: [u8; 260],
+    pub lcsFilename: [i8; 260],
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
 impl ::core::marker::Copy for LOGCOLORSPACEA {}
diff --git a/crates/libs/sys/src/Windows/Win32/UI/Controls/mod.rs b/crates/libs/sys/src/Windows/Win32/UI/Controls/mod.rs
index e159cdc83c..517c5dbb78 100644
--- a/crates/libs/sys/src/Windows/Win32/UI/Controls/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/UI/Controls/mod.rs
@@ -4856,15 +4856,15 @@ impl ::core::clone::Clone for BUTTON_SPLITINFO {
 #[doc = "Required features: `\"Win32_Graphics_Gdi\"`"]
 #[cfg(feature = "Win32_Graphics_Gdi")]
 pub struct CCINFOA {
-    pub szClass: [u8; 32],
+    pub szClass: [i8; 32],
     pub flOptions: u32,
-    pub szDesc: [u8; 32],
+    pub szDesc: [i8; 32],
     pub cxDefault: u32,
     pub cyDefault: u32,
     pub flStyleDefault: u32,
     pub flExtStyleDefault: u32,
     pub flCtrlTypeMask: u32,
-    pub szTextDefault: [u8; 256],
+    pub szTextDefault: [i8; 256],
     pub cStyleFlags: i32,
     pub aStyleFlags: *mut CCSTYLEFLAGA,
     pub lpfnStyle: LPFNCCSTYLEA,
@@ -4912,7 +4912,7 @@ impl ::core::clone::Clone for CCINFOW {
 pub struct CCSTYLEA {
     pub flStyle: u32,
     pub flExtStyle: u32,
-    pub szText: [u8; 256],
+    pub szText: [i8; 256],
     pub lgid: u16,
     pub wReserved1: u16,
 }
@@ -5817,7 +5817,7 @@ impl ::core::clone::Clone for NMBCHOTITEM {
 pub struct NMCBEDRAGBEGINA {
     pub hdr: NMHDR,
     pub iItemid: i32,
-    pub szText: [u8; 260],
+    pub szText: [i8; 260],
 }
 impl ::core::marker::Copy for NMCBEDRAGBEGINA {}
 impl ::core::clone::Clone for NMCBEDRAGBEGINA {
@@ -5842,7 +5842,7 @@ pub struct NMCBEENDEDITA {
     pub hdr: NMHDR,
     pub fChanged: super::super::Foundation::BOOL,
     pub iNewSelection: i32,
-    pub szText: [u8; 260],
+    pub szText: [i8; 260],
     pub iWhy: i32,
 }
 impl ::core::marker::Copy for NMCBEENDEDITA {}
@@ -5971,7 +5971,7 @@ pub struct NMDATETIMEFORMATA {
     pub pszFormat: ::windows_sys::core::PCSTR,
     pub st: super::super::Foundation::SYSTEMTIME,
     pub pszDisplay: ::windows_sys::core::PCSTR,
-    pub szDisplay: [u8; 64],
+    pub szDisplay: [i8; 64],
 }
 impl ::core::marker::Copy for NMDATETIMEFORMATA {}
 impl ::core::clone::Clone for NMDATETIMEFORMATA {
@@ -6845,7 +6845,7 @@ impl ::core::clone::Clone for NMTTCUSTOMDRAW {
 pub struct NMTTDISPINFOA {
     pub hdr: NMHDR,
     pub lpszText: ::windows_sys::core::PSTR,
-    pub szText: [u8; 80],
+    pub szText: [i8; 80],
     pub hinst: super::super::Foundation::HINSTANCE,
     pub uFlags: TOOLTIP_FLAGS,
     pub lParam: super::super::Foundation::LPARAM,
diff --git a/crates/libs/sys/src/Windows/Win32/UI/Input/Ime/mod.rs b/crates/libs/sys/src/Windows/Win32/UI/Input/Ime/mod.rs
index 62c3c844ff..04f093181d 100644
--- a/crates/libs/sys/src/Windows/Win32/UI/Input/Ime/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/UI/Input/Ime/mod.rs
@@ -1379,7 +1379,7 @@ pub struct IMEMENUITEMINFOA {
     pub hbmpChecked: super::super::super::Graphics::Gdi::HBITMAP,
     pub hbmpUnchecked: super::super::super::Graphics::Gdi::HBITMAP,
     pub dwItemData: u32,
-    pub szString: [u8; 80],
+    pub szString: [i8; 80],
     pub hbmpItem: super::super::super::Graphics::Gdi::HBITMAP,
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
@@ -1416,9 +1416,9 @@ impl ::core::clone::Clone for IMEMENUITEMINFOW {
 pub struct IMESHF {
     pub cbShf: u16,
     pub verDic: u16,
-    pub szTitle: [u8; 48],
-    pub szDescription: [u8; 256],
-    pub szCopyright: [u8; 128],
+    pub szTitle: [i8; 48],
+    pub szDescription: [i8; 256],
+    pub szCopyright: [i8; 128],
 }
 impl ::core::marker::Copy for IMESHF {}
 impl ::core::clone::Clone for IMESHF {
@@ -1665,7 +1665,7 @@ impl ::core::clone::Clone for SOFTKBDDATA {
 #[repr(C)]
 pub struct STYLEBUFA {
     pub dwStyle: u32,
-    pub szDescription: [u8; 32],
+    pub szDescription: [i8; 32],
 }
 impl ::core::marker::Copy for STYLEBUFA {}
 impl ::core::clone::Clone for STYLEBUFA {
diff --git a/crates/libs/sys/src/Windows/Win32/UI/Input/KeyboardAndMouse/mod.rs b/crates/libs/sys/src/Windows/Win32/UI/Input/KeyboardAndMouse/mod.rs
index ee52a3c626..819c8f4816 100644
--- a/crates/libs/sys/src/Windows/Win32/UI/Input/KeyboardAndMouse/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/UI/Input/KeyboardAndMouse/mod.rs
@@ -53,9 +53,9 @@
 #[cfg(feature = "Win32_UI_TextServices")]
 ::windows_targets::link!("user32.dll" "system" #[doc = "Required features: `\"Win32_UI_TextServices\"`"] fn UnloadKeyboardLayout(hkl : super::super::TextServices:: HKL) -> super::super::super::Foundation:: BOOL);
 ::windows_targets::link!("user32.dll" "system" fn UnregisterHotKey(hwnd : super::super::super::Foundation:: HWND, id : i32) -> super::super::super::Foundation:: BOOL);
-::windows_targets::link!("user32.dll" "system" fn VkKeyScanA(ch : u8) -> i16);
+::windows_targets::link!("user32.dll" "system" fn VkKeyScanA(ch : i8) -> i16);
 #[cfg(feature = "Win32_UI_TextServices")]
-::windows_targets::link!("user32.dll" "system" #[doc = "Required features: `\"Win32_UI_TextServices\"`"] fn VkKeyScanExA(ch : u8, dwhkl : super::super::TextServices:: HKL) -> i16);
+::windows_targets::link!("user32.dll" "system" #[doc = "Required features: `\"Win32_UI_TextServices\"`"] fn VkKeyScanExA(ch : i8, dwhkl : super::super::TextServices:: HKL) -> i16);
 #[cfg(feature = "Win32_UI_TextServices")]
 ::windows_targets::link!("user32.dll" "system" #[doc = "Required features: `\"Win32_UI_TextServices\"`"] fn VkKeyScanExW(ch : u16, dwhkl : super::super::TextServices:: HKL) -> i16);
 ::windows_targets::link!("user32.dll" "system" fn VkKeyScanW(ch : u16) -> i16);
diff --git a/crates/libs/sys/src/Windows/Win32/UI/Shell/PropertiesSystem/mod.rs b/crates/libs/sys/src/Windows/Win32/UI/Shell/PropertiesSystem/mod.rs
index 5f2ad0a8d1..e4db820e44 100644
--- a/crates/libs/sys/src/Windows/Win32/UI/Shell/PropertiesSystem/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/UI/Shell/PropertiesSystem/mod.rs
@@ -373,16 +373,16 @@ impl ::core::clone::Clone for PROPERTYKEY {
 pub struct PROPPRG {
     pub flPrg: u16,
     pub flPrgInit: u16,
-    pub achTitle: [u8; 30],
-    pub achCmdLine: [u8; 128],
-    pub achWorkDir: [u8; 64],
+    pub achTitle: [i8; 30],
+    pub achCmdLine: [i8; 128],
+    pub achWorkDir: [i8; 64],
     pub wHotKey: u16,
-    pub achIconFile: [u8; 80],
+    pub achIconFile: [i8; 80],
     pub wIconIndex: u16,
     pub dwEnhModeFlags: u32,
     pub dwRealModeFlags: u32,
-    pub achOtherFile: [u8; 80],
-    pub achPIFFile: [u8; 260],
+    pub achOtherFile: [i8; 80],
+    pub achPIFFile: [i8; 260],
 }
 impl ::core::marker::Copy for PROPPRG {}
 impl ::core::clone::Clone for PROPPRG {
diff --git a/crates/libs/sys/src/Windows/Win32/UI/Shell/mod.rs b/crates/libs/sys/src/Windows/Win32/UI/Shell/mod.rs
index 8575985248..c4b57ee911 100644
--- a/crates/libs/sys/src/Windows/Win32/UI/Shell/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/UI/Shell/mod.rs
@@ -218,7 +218,7 @@ pub mod PropertiesSystem;
 ::windows_targets::link!("propsys.dll" "system" #[doc = "Required features: `\"Win32_System_Com\"`, `\"Win32_System_Ole\"`, `\"Win32_System_Variant\"`, `\"Win32_UI_Shell_Common\"`"] fn InitVariantFromStrRet(pstrret : *const Common:: STRRET, pidl : *const Common:: ITEMIDLIST, pvar : *mut super::super::System::Variant:: VARIANT) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("shlwapi.dll" "system" fn IntlStrEqWorkerA(fcasesens : super::super::Foundation:: BOOL, lpstring1 : ::windows_sys::core::PCSTR, lpstring2 : ::windows_sys::core::PCSTR, nchar : i32) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("shlwapi.dll" "system" fn IntlStrEqWorkerW(fcasesens : super::super::Foundation:: BOOL, lpstring1 : ::windows_sys::core::PCWSTR, lpstring2 : ::windows_sys::core::PCWSTR, nchar : i32) -> super::super::Foundation:: BOOL);
-::windows_targets::link!("shlwapi.dll" "system" fn IsCharSpaceA(wch : u8) -> super::super::Foundation:: BOOL);
+::windows_targets::link!("shlwapi.dll" "system" fn IsCharSpaceA(wch : i8) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("shlwapi.dll" "system" fn IsCharSpaceW(wch : u16) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("shlwapi.dll" "system" fn IsInternetESCEnabled() -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("shell32.dll" "system" fn IsLFNDriveA(pszpath : ::windows_sys::core::PCSTR) -> super::super::Foundation:: BOOL);
@@ -729,7 +729,7 @@ pub mod PropertiesSystem;
 ::windows_targets::link!("shell32.dll" "system" fn SHStartNetConnectionDialogW(hwnd : super::super::Foundation:: HWND, pszremotename : ::windows_sys::core::PCWSTR, dwtype : u32) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("shlwapi.dll" "system" fn SHStrDupA(psz : ::windows_sys::core::PCSTR, ppwsz : *mut ::windows_sys::core::PWSTR) -> ::windows_sys::core::HRESULT);
 ::windows_targets::link!("shlwapi.dll" "system" fn SHStrDupW(psz : ::windows_sys::core::PCWSTR, ppwsz : *mut ::windows_sys::core::PWSTR) -> ::windows_sys::core::HRESULT);
-::windows_targets::link!("shlwapi.dll" "system" fn SHStripMneumonicA(pszmenu : ::windows_sys::core::PSTR) -> u8);
+::windows_targets::link!("shlwapi.dll" "system" fn SHStripMneumonicA(pszmenu : ::windows_sys::core::PSTR) -> i8);
 ::windows_targets::link!("shlwapi.dll" "system" fn SHStripMneumonicW(pszmenu : ::windows_sys::core::PWSTR) -> u16);
 ::windows_targets::link!("shell32.dll" "system" fn SHTestTokenMembership(htoken : super::super::Foundation:: HANDLE, ulrid : u32) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("shlwapi.dll" "system" fn SHUnicodeToAnsi(pwszsrc : ::windows_sys::core::PCWSTR, pszdst : ::windows_sys::core::PSTR, cchbuf : i32) -> i32);
@@ -6181,7 +6181,7 @@ impl ::core::clone::Clone for DROPFILES {
 #[repr(C, packed(1))]
 pub struct EXP_DARWIN_LINK {
     pub dbh: DATABLOCK_HEADER,
-    pub szDarwinID: [u8; 260],
+    pub szDarwinID: [i8; 260],
     pub szwDarwinID: [u16; 260],
 }
 impl ::core::marker::Copy for EXP_DARWIN_LINK {}
@@ -6219,7 +6219,7 @@ impl ::core::clone::Clone for EXP_SPECIAL_FOLDER {
 pub struct EXP_SZ_LINK {
     pub cbSize: u32,
     pub dwSignature: u32,
-    pub szTarget: [u8; 260],
+    pub szTarget: [i8; 260],
     pub swzTarget: [u16; 260],
 }
 impl ::core::marker::Copy for EXP_SZ_LINK {}
@@ -6252,7 +6252,7 @@ pub struct FILEDESCRIPTORA {
     pub ftLastWriteTime: super::super::Foundation::FILETIME,
     pub nFileSizeHigh: u32,
     pub nFileSizeLow: u32,
-    pub cFileName: [u8; 260],
+    pub cFileName: [i8; 260],
 }
 impl ::core::marker::Copy for FILEDESCRIPTORA {}
 impl ::core::clone::Clone for FILEDESCRIPTORA {
@@ -6362,7 +6362,7 @@ pub struct HELPWININFOA {
     pub dx: i32,
     pub dy: i32,
     pub wMax: i32,
-    pub rgchMember: [u8; 2],
+    pub rgchMember: [i8; 2],
 }
 impl ::core::marker::Copy for HELPWININFOA {}
 impl ::core::clone::Clone for HELPWININFOA {
@@ -6461,8 +6461,8 @@ impl ::core::clone::Clone for KNOWNFOLDER_DEFINITION {
 #[repr(C)]
 pub struct MULTIKEYHELPA {
     pub mkSize: u32,
-    pub mkKeylist: u8,
-    pub szKeyphrase: [u8; 1],
+    pub mkKeylist: i8,
+    pub szKeyphrase: [i8; 1],
 }
 impl ::core::marker::Copy for MULTIKEYHELPA {}
 impl ::core::clone::Clone for MULTIKEYHELPA {
@@ -6507,9 +6507,9 @@ pub struct NEWCPLINFOA {
     pub dwHelpContext: u32,
     pub lData: isize,
     pub hIcon: super::WindowsAndMessaging::HICON,
-    pub szName: [u8; 32],
-    pub szInfo: [u8; 64],
-    pub szHelpFile: [u8; 128],
+    pub szName: [i8; 32],
+    pub szInfo: [i8; 64],
+    pub szHelpFile: [i8; 128],
 }
 #[cfg(feature = "Win32_UI_WindowsAndMessaging")]
 impl ::core::marker::Copy for NEWCPLINFOA {}
@@ -6551,12 +6551,12 @@ pub struct NOTIFYICONDATAA {
     pub uFlags: NOTIFY_ICON_DATA_FLAGS,
     pub uCallbackMessage: u32,
     pub hIcon: super::WindowsAndMessaging::HICON,
-    pub szTip: [u8; 128],
+    pub szTip: [i8; 128],
     pub dwState: NOTIFY_ICON_STATE,
     pub dwStateMask: u32,
-    pub szInfo: [u8; 256],
+    pub szInfo: [i8; 256],
     pub Anonymous: NOTIFYICONDATAA_0,
-    pub szInfoTitle: [u8; 64],
+    pub szInfoTitle: [i8; 64],
     pub dwInfoFlags: NOTIFY_ICON_INFOTIP_FLAGS,
     pub guidItem: ::windows_sys::core::GUID,
     pub hBalloonIcon: super::WindowsAndMessaging::HICON,
@@ -6600,12 +6600,12 @@ pub struct NOTIFYICONDATAA {
     pub uFlags: NOTIFY_ICON_DATA_FLAGS,
     pub uCallbackMessage: u32,
     pub hIcon: super::WindowsAndMessaging::HICON,
-    pub szTip: [u8; 128],
+    pub szTip: [i8; 128],
     pub dwState: NOTIFY_ICON_STATE,
     pub dwStateMask: u32,
-    pub szInfo: [u8; 256],
+    pub szInfo: [i8; 256],
     pub Anonymous: NOTIFYICONDATAA_0,
-    pub szInfoTitle: [u8; 64],
+    pub szInfoTitle: [i8; 64],
     pub dwInfoFlags: NOTIFY_ICON_INFOTIP_FLAGS,
     pub guidItem: ::windows_sys::core::GUID,
     pub hBalloonIcon: super::WindowsAndMessaging::HICON,
@@ -7638,8 +7638,8 @@ pub struct SHFILEINFOA {
     pub hIcon: super::WindowsAndMessaging::HICON,
     pub iIcon: i32,
     pub dwAttributes: u32,
-    pub szDisplayName: [u8; 260],
-    pub szTypeName: [u8; 80],
+    pub szDisplayName: [i8; 260],
+    pub szTypeName: [i8; 80],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 #[cfg(feature = "Win32_UI_WindowsAndMessaging")]
@@ -7659,8 +7659,8 @@ pub struct SHFILEINFOA {
     pub hIcon: super::WindowsAndMessaging::HICON,
     pub iIcon: i32,
     pub dwAttributes: u32,
-    pub szDisplayName: [u8; 260],
-    pub szTypeName: [u8; 80],
+    pub szDisplayName: [i8; 260],
+    pub szTypeName: [i8; 80],
 }
 #[cfg(target_arch = "x86")]
 #[cfg(feature = "Win32_UI_WindowsAndMessaging")]
diff --git a/crates/libs/sys/src/Windows/Win32/UI/WindowsAndMessaging/mod.rs b/crates/libs/sys/src/Windows/Win32/UI/WindowsAndMessaging/mod.rs
index 29594542a3..ee54ed0aa8 100644
--- a/crates/libs/sys/src/Windows/Win32/UI/WindowsAndMessaging/mod.rs
+++ b/crates/libs/sys/src/Windows/Win32/UI/WindowsAndMessaging/mod.rs
@@ -234,12 +234,12 @@
 ::windows_targets::link!("user32.dll" "system" #[doc = "Required features: `\"Win32_Graphics_Gdi\"`"] fn InsertMenuItemW(hmenu : HMENU, item : u32, fbyposition : super::super::Foundation:: BOOL, lpmi : *const MENUITEMINFOW) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("user32.dll" "system" fn InsertMenuW(hmenu : HMENU, uposition : u32, uflags : MENU_ITEM_FLAGS, uidnewitem : usize, lpnewitem : ::windows_sys::core::PCWSTR) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("user32.dll" "system" fn InternalGetWindowText(hwnd : super::super::Foundation:: HWND, pstring : ::windows_sys::core::PWSTR, cchmaxcount : i32) -> i32);
-::windows_targets::link!("user32.dll" "system" fn IsCharAlphaA(ch : u8) -> super::super::Foundation:: BOOL);
-::windows_targets::link!("user32.dll" "system" fn IsCharAlphaNumericA(ch : u8) -> super::super::Foundation:: BOOL);
+::windows_targets::link!("user32.dll" "system" fn IsCharAlphaA(ch : i8) -> super::super::Foundation:: BOOL);
+::windows_targets::link!("user32.dll" "system" fn IsCharAlphaNumericA(ch : i8) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("user32.dll" "system" fn IsCharAlphaNumericW(ch : u16) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("user32.dll" "system" fn IsCharAlphaW(ch : u16) -> super::super::Foundation:: BOOL);
-::windows_targets::link!("user32.dll" "system" fn IsCharLowerA(ch : u8) -> super::super::Foundation:: BOOL);
-::windows_targets::link!("user32.dll" "system" fn IsCharUpperA(ch : u8) -> super::super::Foundation:: BOOL);
+::windows_targets::link!("user32.dll" "system" fn IsCharLowerA(ch : i8) -> super::super::Foundation:: BOOL);
+::windows_targets::link!("user32.dll" "system" fn IsCharUpperA(ch : i8) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("user32.dll" "system" fn IsCharUpperW(ch : u16) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("user32.dll" "system" fn IsChild(hwndparent : super::super::Foundation:: HWND, hwnd : super::super::Foundation:: HWND) -> super::super::Foundation:: BOOL);
 ::windows_targets::link!("user32.dll" "system" fn IsDialogMessageA(hdlg : super::super::Foundation:: HWND, lpmsg : *const MSG) -> super::super::Foundation:: BOOL);
@@ -3068,7 +3068,7 @@ pub struct DEV_BROADCAST_DEVICEINTERFACE_A {
     pub dbcc_devicetype: u32,
     pub dbcc_reserved: u32,
     pub dbcc_classguid: ::windows_sys::core::GUID,
-    pub dbcc_name: [u8; 1],
+    pub dbcc_name: [i8; 1],
 }
 impl ::core::marker::Copy for DEV_BROADCAST_DEVICEINTERFACE_A {}
 impl ::core::clone::Clone for DEV_BROADCAST_DEVICEINTERFACE_A {
@@ -3199,7 +3199,7 @@ pub struct DEV_BROADCAST_PORT_A {
     pub dbcp_size: u32,
     pub dbcp_devicetype: u32,
     pub dbcp_reserved: u32,
-    pub dbcp_name: [u8; 1],
+    pub dbcp_name: [i8; 1],
 }
 impl ::core::marker::Copy for DEV_BROADCAST_PORT_A {}
 impl ::core::clone::Clone for DEV_BROADCAST_PORT_A {
@@ -3408,8 +3408,8 @@ pub struct ICONINFOEXA {
     pub hbmMask: super::super::Graphics::Gdi::HBITMAP,
     pub hbmColor: super::super::Graphics::Gdi::HBITMAP,
     pub wResID: u16,
-    pub szModName: [u8; 260],
-    pub szResName: [u8; 260],
+    pub szModName: [i8; 260],
+    pub szResName: [i8; 260],
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
 impl ::core::marker::Copy for ICONINFOEXA {}
@@ -4295,7 +4295,7 @@ impl ::core::clone::Clone for _DEV_BROADCAST_HEADER {
 #[repr(C)]
 pub struct _DEV_BROADCAST_USERDEFINED {
     pub dbud_dbh: DEV_BROADCAST_HDR,
-    pub dbud_szName: [u8; 1],
+    pub dbud_szName: [i8; 1],
 }
 impl ::core::marker::Copy for _DEV_BROADCAST_USERDEFINED {}
 impl ::core::clone::Clone for _DEV_BROADCAST_USERDEFINED {
diff --git a/crates/libs/windows/src/Windows/Wdk/Foundation/mod.rs b/crates/libs/windows/src/Windows/Wdk/Foundation/mod.rs
index b37937ca1b..67e724e715 100644
--- a/crates/libs/windows/src/Windows/Wdk/Foundation/mod.rs
+++ b/crates/libs/windows/src/Windows/Wdk/Foundation/mod.rs
@@ -3245,8 +3245,8 @@ pub struct IRP {
     pub IoStatus: super::super::Win32::System::IO::IO_STATUS_BLOCK,
     pub RequestorMode: i8,
     pub PendingReturned: super::super::Win32::Foundation::BOOLEAN,
-    pub StackCount: u8,
-    pub CurrentLocation: u8,
+    pub StackCount: i8,
+    pub CurrentLocation: i8,
     pub Cancel: super::super::Win32::Foundation::BOOLEAN,
     pub CancelIrql: u8,
     pub ApcEnvironment: i8,
diff --git a/crates/libs/windows/src/Windows/Wdk/Graphics/Direct3D/mod.rs b/crates/libs/windows/src/Windows/Wdk/Graphics/Direct3D/mod.rs
index d6ad6c7d5e..96a05de4bd 100644
--- a/crates/libs/windows/src/Windows/Wdk/Graphics/Direct3D/mod.rs
+++ b/crates/libs/windows/src/Windows/Wdk/Graphics/Direct3D/mod.rs
@@ -33778,7 +33778,7 @@ pub struct OUTPUTDUPL_CONTEXT_DEBUG_INFO {
     pub AccumulatedPresents: u32,
     pub LastPresentTime: i64,
     pub LastMouseTime: i64,
-    pub ProcessName: [u8; 16],
+    pub ProcessName: [i8; 16],
 }
 impl ::core::marker::Copy for OUTPUTDUPL_CONTEXT_DEBUG_INFO {}
 impl ::core::clone::Clone for OUTPUTDUPL_CONTEXT_DEBUG_INFO {
diff --git a/crates/libs/windows/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs b/crates/libs/windows/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs
index 25a6e4dd8d..4bafbcd363 100644
--- a/crates/libs/windows/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs
+++ b/crates/libs/windows/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs
@@ -7690,7 +7690,7 @@ pub struct NDIS_WMI_ENUM_ADAPTER {
     pub IfIndex: u32,
     pub NetLuid: super::super::super::Win32::NetworkManagement::Ndis::NET_LUID_LH,
     pub DeviceNameLength: u16,
-    pub DeviceName: [u8; 1],
+    pub DeviceName: [i8; 1],
 }
 #[cfg(feature = "Win32_NetworkManagement_Ndis")]
 impl ::core::marker::Copy for NDIS_WMI_ENUM_ADAPTER {}
diff --git a/crates/libs/windows/src/Windows/Wdk/Storage/FileSystem/mod.rs b/crates/libs/windows/src/Windows/Wdk/Storage/FileSystem/mod.rs
index 4d7d9c537b..7e2434b1d8 100644
--- a/crates/libs/windows/src/Windows/Wdk/Storage/FileSystem/mod.rs
+++ b/crates/libs/windows/src/Windows/Wdk/Storage/FileSystem/mod.rs
@@ -3737,13 +3737,13 @@ pub unsafe fn RtlQueryPackageIdentityEx(tokenobject: *const ::core::ffi::c_void,
     RtlQueryPackageIdentityEx(tokenobject, ::core::mem::transmute(packagefullname), packagesize, ::core::mem::transmute(appid), ::core::mem::transmute(appidsize.unwrap_or(::std::ptr::null_mut())), ::core::mem::transmute(dynamicid.unwrap_or(::std::ptr::null_mut())), ::core::mem::transmute(flags.unwrap_or(::std::ptr::null_mut())))
 }
 #[inline]
-pub unsafe fn RtlQueryProcessPlaceholderCompatibilityMode() -> u8 {
-    ::windows_targets::link!("ntdll.dll" "system" fn RtlQueryProcessPlaceholderCompatibilityMode() -> u8);
+pub unsafe fn RtlQueryProcessPlaceholderCompatibilityMode() -> i8 {
+    ::windows_targets::link!("ntdll.dll" "system" fn RtlQueryProcessPlaceholderCompatibilityMode() -> i8);
     RtlQueryProcessPlaceholderCompatibilityMode()
 }
 #[inline]
-pub unsafe fn RtlQueryThreadPlaceholderCompatibilityMode() -> u8 {
-    ::windows_targets::link!("ntdll.dll" "system" fn RtlQueryThreadPlaceholderCompatibilityMode() -> u8);
+pub unsafe fn RtlQueryThreadPlaceholderCompatibilityMode() -> i8 {
+    ::windows_targets::link!("ntdll.dll" "system" fn RtlQueryThreadPlaceholderCompatibilityMode() -> i8);
     RtlQueryThreadPlaceholderCompatibilityMode()
 }
 #[inline]
@@ -3826,13 +3826,13 @@ where
     RtlSetOwnerSecurityDescriptor(securitydescriptor, owner.into_param().abi(), ownerdefaulted.into_param().abi())
 }
 #[inline]
-pub unsafe fn RtlSetProcessPlaceholderCompatibilityMode(mode: u8) -> u8 {
-    ::windows_targets::link!("ntdll.dll" "system" fn RtlSetProcessPlaceholderCompatibilityMode(mode : u8) -> u8);
+pub unsafe fn RtlSetProcessPlaceholderCompatibilityMode(mode: i8) -> i8 {
+    ::windows_targets::link!("ntdll.dll" "system" fn RtlSetProcessPlaceholderCompatibilityMode(mode : i8) -> i8);
     RtlSetProcessPlaceholderCompatibilityMode(mode)
 }
 #[inline]
-pub unsafe fn RtlSetThreadPlaceholderCompatibilityMode(mode: u8) -> u8 {
-    ::windows_targets::link!("ntdll.dll" "system" fn RtlSetThreadPlaceholderCompatibilityMode(mode : u8) -> u8);
+pub unsafe fn RtlSetThreadPlaceholderCompatibilityMode(mode: i8) -> i8 {
+    ::windows_targets::link!("ntdll.dll" "system" fn RtlSetThreadPlaceholderCompatibilityMode(mode : i8) -> i8);
     RtlSetThreadPlaceholderCompatibilityMode(mode)
 }
 #[inline]
@@ -7891,7 +7891,7 @@ pub struct FILE_FULL_EA_INFORMATION {
     pub Flags: u8,
     pub EaNameLength: u8,
     pub EaValueLength: u16,
-    pub EaName: [u8; 1],
+    pub EaName: [i8; 1],
 }
 impl ::core::marker::Copy for FILE_FULL_EA_INFORMATION {}
 impl ::core::clone::Clone for FILE_FULL_EA_INFORMATION {
@@ -7922,7 +7922,7 @@ impl ::core::default::Default for FILE_FULL_EA_INFORMATION {
 pub struct FILE_GET_EA_INFORMATION {
     pub NextEntryOffset: u32,
     pub EaNameLength: u8,
-    pub EaName: [u8; 1],
+    pub EaName: [i8; 1],
 }
 impl ::core::marker::Copy for FILE_GET_EA_INFORMATION {}
 impl ::core::clone::Clone for FILE_GET_EA_INFORMATION {
@@ -9322,7 +9322,7 @@ pub struct FILE_PIPE_PEEK_BUFFER {
     pub ReadDataAvailable: u32,
     pub NumberOfMessages: u32,
     pub MessageLength: u32,
-    pub Data: [u8; 1],
+    pub Data: [i8; 1],
 }
 impl ::core::marker::Copy for FILE_PIPE_PEEK_BUFFER {}
 impl ::core::clone::Clone for FILE_PIPE_PEEK_BUFFER {
@@ -10036,7 +10036,7 @@ impl ::core::default::Default for FILE_TIMESTAMPS {
 pub struct FILE_TRACKING_INFORMATION {
     pub DestinationFile: super::super::super::Win32::Foundation::HANDLE,
     pub ObjectInformationLength: u32,
-    pub ObjectInformation: [u8; 1],
+    pub ObjectInformation: [i8; 1],
 }
 impl ::core::marker::Copy for FILE_TRACKING_INFORMATION {}
 impl ::core::clone::Clone for FILE_TRACKING_INFORMATION {
diff --git a/crates/libs/windows/src/Windows/Wdk/System/SystemServices/mod.rs b/crates/libs/windows/src/Windows/Wdk/System/SystemServices/mod.rs
index 930fd87eac..43392c0216 100644
--- a/crates/libs/windows/src/Windows/Wdk/System/SystemServices/mod.rs
+++ b/crates/libs/windows/src/Windows/Wdk/System/SystemServices/mod.rs
@@ -6997,8 +6997,8 @@ where
     RtlUpcaseUnicodeString(destinationstring, sourcestring, allocatedestinationstring.into_param().abi())
 }
 #[inline]
-pub unsafe fn RtlUpperChar(character: u8) -> u8 {
-    ::windows_targets::link!("ntdll.dll" "system" fn RtlUpperChar(character : u8) -> u8);
+pub unsafe fn RtlUpperChar(character: i8) -> i8 {
+    ::windows_targets::link!("ntdll.dll" "system" fn RtlUpperChar(character : i8) -> i8);
     RtlUpperChar(character)
 }
 #[doc = "Required features: `\"Win32_System_Kernel\"`"]
@@ -14013,7 +14013,7 @@ impl ::core::default::Default for CM_EISA_SLOT_INFORMATION {
 pub struct CM_FLOPPY_DEVICE_DATA {
     pub Version: u16,
     pub Revision: u16,
-    pub Size: [u8; 8],
+    pub Size: [i8; 8],
     pub MaxDensity: u32,
     pub MountDensity: u32,
     pub StepRateHeadUnloadTime: u8,
@@ -34984,7 +34984,7 @@ pub struct RTL_BALANCED_LINKS {
     pub Parent: *mut RTL_BALANCED_LINKS,
     pub LeftChild: *mut RTL_BALANCED_LINKS,
     pub RightChild: *mut RTL_BALANCED_LINKS,
-    pub Balance: u8,
+    pub Balance: i8,
     pub Reserved: [u8; 3],
 }
 impl ::core::marker::Copy for RTL_BALANCED_LINKS {}
@@ -35563,7 +35563,7 @@ pub struct SOC_SUBSYSTEM_FAILURE_DETAILS {
     pub FirmwareVersion: u64,
     pub HardwareVersion: u64,
     pub UnifiedFailureRegionSize: u32,
-    pub UnifiedFailureRegion: [u8; 1],
+    pub UnifiedFailureRegion: [i8; 1],
 }
 impl ::core::marker::Copy for SOC_SUBSYSTEM_FAILURE_DETAILS {}
 impl ::core::clone::Clone for SOC_SUBSYSTEM_FAILURE_DETAILS {
@@ -36508,8 +36508,8 @@ impl ::core::default::Default for WHEA128A {
 #[repr(C)]
 pub struct WHEAP_ACPI_TIMEOUT_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub TableType: [u8; 32],
-    pub TableRequest: [u8; 32],
+    pub TableType: [i8; 32],
+    pub TableRequest: [i8; 32],
 }
 impl ::core::marker::Copy for WHEAP_ACPI_TIMEOUT_EVENT {}
 impl ::core::clone::Clone for WHEAP_ACPI_TIMEOUT_EVENT {
@@ -36686,7 +36686,7 @@ impl ::core::default::Default for WHEAP_CMCI_RESTART_EVENT {
 #[repr(C, packed(1))]
 pub struct WHEAP_CREATE_GENERIC_RECORD_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub Error: [u8; 32],
+    pub Error: [i8; 32],
     pub EntryCount: u32,
     pub Status: super::super::super::Win32::Foundation::NTSTATUS,
 }
@@ -36732,7 +36732,7 @@ impl ::core::default::Default for WHEAP_DEFERRED_EVENT {
 #[repr(C)]
 pub struct WHEAP_DEVICE_DRV_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub Function: [u8; 32],
+    pub Function: [i8; 32],
 }
 impl ::core::marker::Copy for WHEAP_DEVICE_DRV_EVENT {}
 impl ::core::clone::Clone for WHEAP_DEVICE_DRV_EVENT {
@@ -36884,7 +36884,7 @@ impl ::core::default::Default for WHEAP_ERR_SRC_ARRAY_INVALID_EVENT {
 pub struct WHEAP_ERR_SRC_INVALID_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
     pub ErrDescriptor: super::super::super::Win32::System::Diagnostics::Debug::WHEA_ERROR_SOURCE_DESCRIPTOR,
-    pub Error: [u8; 32],
+    pub Error: [i8; 32],
 }
 #[cfg(feature = "Win32_System_Diagnostics_Debug")]
 impl ::core::marker::Copy for WHEAP_ERR_SRC_INVALID_EVENT {}
@@ -36929,7 +36929,7 @@ impl ::core::default::Default for WHEAP_FOUND_ERROR_IN_BANK_EVENT {
 #[repr(C, packed(1))]
 pub struct WHEAP_GENERIC_ERR_MEM_MAP_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub MapReason: [u8; 32],
+    pub MapReason: [i8; 32],
     pub PhysicalAddress: u64,
     pub Length: u64,
 }
@@ -37186,7 +37186,7 @@ impl ::core::default::Default for WHEAP_PLUGIN_PFA_EVENT {
 #[repr(C, packed(1))]
 pub struct WHEAP_PROCESS_EINJ_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub Error: [u8; 32],
+    pub Error: [i8; 32],
     pub InjectionActionTableValid: super::super::super::Win32::Foundation::BOOLEAN,
     pub BeginInjectionInstructionCount: u32,
     pub GetTriggerErrorActionTableInstructionCount: u32,
@@ -37216,8 +37216,8 @@ impl ::core::default::Default for WHEAP_PROCESS_EINJ_EVENT {
 #[repr(C, packed(1))]
 pub struct WHEAP_PROCESS_HEST_EVENT {
     pub WheaEventLogEntry: WHEA_EVENT_LOG_ENTRY,
-    pub Error: [u8; 32],
-    pub EntryType: [u8; 32],
+    pub Error: [i8; 32],
+    pub EntryType: [i8; 32],
     pub EntryIndex: u32,
     pub HestValid: super::super::super::Win32::Foundation::BOOLEAN,
     pub CmcCount: u32,
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/Bluetooth/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/Bluetooth/mod.rs
index f20aa335a1..fb6342ba0f 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/Bluetooth/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/Bluetooth/mod.rs
@@ -1847,7 +1847,7 @@ pub struct BTH_DEVICE_INFO {
     pub flags: u32,
     pub address: u64,
     pub classOfDevice: u32,
-    pub name: [u8; 248],
+    pub name: [i8; 248],
 }
 impl ::core::marker::Copy for BTH_DEVICE_INFO {}
 impl ::core::clone::Clone for BTH_DEVICE_INFO {
@@ -2671,7 +2671,7 @@ pub union SDP_ELEMENT_DATA_0 {
     pub int64: i64,
     pub int32: i32,
     pub int16: i16,
-    pub int8: u8,
+    pub int8: i8,
     pub uint128: SDP_ULARGE_INTEGER_16,
     pub uint64: u64,
     pub uint32: u32,
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/Communication/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/Communication/mod.rs
index d793add359..ea0f166125 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/Communication/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/Communication/mod.rs
@@ -219,11 +219,11 @@ where
     SetupComm(hfile.into_param().abi(), dwinqueue, dwoutqueue).ok()
 }
 #[inline]
-pub unsafe fn TransmitCommChar<P0>(hfile: P0, cchar: u8) -> ::windows_core::Result<()>
+pub unsafe fn TransmitCommChar<P0>(hfile: P0, cchar: i8) -> ::windows_core::Result<()>
 where
     P0: ::windows_core::IntoParam<super::super::Foundation::HANDLE>,
 {
-    ::windows_targets::link!("kernel32.dll" "system" fn TransmitCommChar(hfile : super::super::Foundation:: HANDLE, cchar : u8) -> super::super::Foundation:: BOOL);
+    ::windows_targets::link!("kernel32.dll" "system" fn TransmitCommChar(hfile : super::super::Foundation:: HANDLE, cchar : i8) -> super::super::Foundation:: BOOL);
     TransmitCommChar(hfile.into_param().abi(), cchar).ok()
 }
 #[doc = "Required features: `\"Win32_System_IO\"`"]
@@ -995,11 +995,11 @@ pub struct DCB {
     pub ByteSize: u8,
     pub Parity: DCB_PARITY,
     pub StopBits: DCB_STOP_BITS,
-    pub XonChar: u8,
-    pub XoffChar: u8,
-    pub ErrorChar: u8,
-    pub EofChar: u8,
-    pub EvtChar: u8,
+    pub XonChar: i8,
+    pub XoffChar: i8,
+    pub ErrorChar: i8,
+    pub EofChar: i8,
+    pub EvtChar: i8,
     pub wReserved1: u16,
 }
 impl ::core::marker::Copy for DCB {}
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/DeviceAndDriverInstallation/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/DeviceAndDriverInstallation/mod.rs
index 52d68a3a38..a3a214b9a9 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/DeviceAndDriverInstallation/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/DeviceAndDriverInstallation/mod.rs
@@ -7494,7 +7494,7 @@ pub struct CONFLICT_DETAILS_A {
     pub CD_dnDevInst: u32,
     pub CD_rdResDes: usize,
     pub CD_ulFlags: CM_CDFLAGS,
-    pub CD_szDescription: [u8; 260],
+    pub CD_szDescription: [i8; 260],
 }
 impl ::core::marker::Copy for CONFLICT_DETAILS_A {}
 impl ::core::clone::Clone for CONFLICT_DETAILS_A {
@@ -7989,7 +7989,7 @@ pub struct FILE_IN_CABINET_INFO_A {
     pub DosDate: u16,
     pub DosTime: u16,
     pub DosAttribs: u16,
-    pub FullTargetName: [u8; 260],
+    pub FullTargetName: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for FILE_IN_CABINET_INFO_A {}
@@ -8018,7 +8018,7 @@ pub struct FILE_IN_CABINET_INFO_A {
     pub DosDate: u16,
     pub DosTime: u16,
     pub DosAttribs: u16,
-    pub FullTargetName: [u8; 260],
+    pub FullTargetName: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for FILE_IN_CABINET_INFO_A {}
@@ -8153,7 +8153,7 @@ impl ::windows_core::TypeKind for HDEVINFO {
 #[repr(C, packed(1))]
 pub struct HWPROFILEINFO_A {
     pub HWPI_ulHWProfile: u32,
-    pub HWPI_szFriendlyName: [u8; 80],
+    pub HWPI_szFriendlyName: [i8; 80],
     pub HWPI_dwFlags: u32,
 }
 impl ::core::marker::Copy for HWPROFILEINFO_A {}
@@ -9055,7 +9055,7 @@ impl ::core::default::Default for SP_ALTPLATFORM_INFO_V3_0 {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_BACKUP_QUEUE_PARAMS_V1_A {
     pub cbSize: u32,
-    pub FullInfPath: [u8; 260],
+    pub FullInfPath: [i8; 260],
     pub FilenameOffset: i32,
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
@@ -9080,7 +9080,7 @@ impl ::core::default::Default for SP_BACKUP_QUEUE_PARAMS_V1_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_BACKUP_QUEUE_PARAMS_V1_A {
     pub cbSize: u32,
-    pub FullInfPath: [u8; 260],
+    pub FullInfPath: [i8; 260],
     pub FilenameOffset: i32,
 }
 #[cfg(target_arch = "x86")]
@@ -9155,9 +9155,9 @@ impl ::core::default::Default for SP_BACKUP_QUEUE_PARAMS_V1_W {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_BACKUP_QUEUE_PARAMS_V2_A {
     pub cbSize: u32,
-    pub FullInfPath: [u8; 260],
+    pub FullInfPath: [i8; 260],
     pub FilenameOffset: i32,
-    pub ReinstallInstance: [u8; 260],
+    pub ReinstallInstance: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_BACKUP_QUEUE_PARAMS_V2_A {}
@@ -9181,9 +9181,9 @@ impl ::core::default::Default for SP_BACKUP_QUEUE_PARAMS_V2_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_BACKUP_QUEUE_PARAMS_V2_A {
     pub cbSize: u32,
-    pub FullInfPath: [u8; 260],
+    pub FullInfPath: [i8; 260],
     pub FilenameOffset: i32,
-    pub ReinstallInstance: [u8; 260],
+    pub ReinstallInstance: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_BACKUP_QUEUE_PARAMS_V2_A {}
@@ -9471,7 +9471,7 @@ impl ::core::default::Default for SP_DEVICE_INTERFACE_DATA {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_DEVICE_INTERFACE_DETAIL_DATA_A {
     pub cbSize: u32,
-    pub DevicePath: [u8; 1],
+    pub DevicePath: [i8; 1],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DEVICE_INTERFACE_DETAIL_DATA_A {}
@@ -9495,7 +9495,7 @@ impl ::core::default::Default for SP_DEVICE_INTERFACE_DETAIL_DATA_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_DEVICE_INTERFACE_DETAIL_DATA_A {
     pub cbSize: u32,
-    pub DevicePath: [u8; 1],
+    pub DevicePath: [i8; 1],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DEVICE_INTERFACE_DETAIL_DATA_A {}
@@ -9621,7 +9621,7 @@ pub struct SP_DEVINFO_LIST_DETAIL_DATA_A {
     pub cbSize: u32,
     pub ClassGuid: ::windows_core::GUID,
     pub RemoteMachineHandle: super::super::Foundation::HANDLE,
-    pub RemoteMachineName: [u8; 263],
+    pub RemoteMachineName: [i8; 263],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DEVINFO_LIST_DETAIL_DATA_A {}
@@ -9647,7 +9647,7 @@ pub struct SP_DEVINFO_LIST_DETAIL_DATA_A {
     pub cbSize: u32,
     pub ClassGuid: ::windows_core::GUID,
     pub RemoteMachineHandle: super::super::Foundation::HANDLE,
-    pub RemoteMachineName: [u8; 263],
+    pub RemoteMachineName: [i8; 263],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DEVINFO_LIST_DETAIL_DATA_A {}
@@ -9731,7 +9731,7 @@ pub struct SP_DEVINSTALL_PARAMS_A {
     pub FileQueue: *mut ::core::ffi::c_void,
     pub ClassInstallReserved: usize,
     pub Reserved: u32,
-    pub DriverPath: [u8; 260],
+    pub DriverPath: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DEVINSTALL_PARAMS_A {}
@@ -9763,7 +9763,7 @@ pub struct SP_DEVINSTALL_PARAMS_A {
     pub FileQueue: *mut ::core::ffi::c_void,
     pub ClassInstallReserved: usize,
     pub Reserved: u32,
-    pub DriverPath: [u8; 260],
+    pub DriverPath: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DEVINSTALL_PARAMS_A {}
@@ -9853,9 +9853,9 @@ pub struct SP_DRVINFO_DATA_V1_A {
     pub cbSize: u32,
     pub DriverType: u32,
     pub Reserved: usize,
-    pub Description: [u8; 256],
-    pub MfgName: [u8; 256],
-    pub ProviderName: [u8; 256],
+    pub Description: [i8; 256],
+    pub MfgName: [i8; 256],
+    pub ProviderName: [i8; 256],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DRVINFO_DATA_V1_A {}
@@ -9881,9 +9881,9 @@ pub struct SP_DRVINFO_DATA_V1_A {
     pub cbSize: u32,
     pub DriverType: u32,
     pub Reserved: usize,
-    pub Description: [u8; 256],
-    pub MfgName: [u8; 256],
-    pub ProviderName: [u8; 256],
+    pub Description: [i8; 256],
+    pub MfgName: [i8; 256],
+    pub ProviderName: [i8; 256],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DRVINFO_DATA_V1_A {}
@@ -9965,9 +9965,9 @@ pub struct SP_DRVINFO_DATA_V2_A {
     pub cbSize: u32,
     pub DriverType: u32,
     pub Reserved: usize,
-    pub Description: [u8; 256],
-    pub MfgName: [u8; 256],
-    pub ProviderName: [u8; 256],
+    pub Description: [i8; 256],
+    pub MfgName: [i8; 256],
+    pub ProviderName: [i8; 256],
     pub DriverDate: super::super::Foundation::FILETIME,
     pub DriverVersion: u64,
 }
@@ -9995,9 +9995,9 @@ pub struct SP_DRVINFO_DATA_V2_A {
     pub cbSize: u32,
     pub DriverType: u32,
     pub Reserved: usize,
-    pub Description: [u8; 256],
-    pub MfgName: [u8; 256],
-    pub ProviderName: [u8; 256],
+    pub Description: [i8; 256],
+    pub MfgName: [i8; 256],
+    pub ProviderName: [i8; 256],
     pub DriverDate: super::super::Foundation::FILETIME,
     pub DriverVersion: u64,
 }
@@ -10087,10 +10087,10 @@ pub struct SP_DRVINFO_DETAIL_DATA_A {
     pub CompatIDsOffset: u32,
     pub CompatIDsLength: u32,
     pub Reserved: usize,
-    pub SectionName: [u8; 256],
-    pub InfFileName: [u8; 260],
-    pub DrvDescription: [u8; 256],
-    pub HardwareID: [u8; 1],
+    pub SectionName: [i8; 256],
+    pub InfFileName: [i8; 260],
+    pub DrvDescription: [i8; 256],
+    pub HardwareID: [i8; 1],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_DRVINFO_DETAIL_DATA_A {}
@@ -10118,10 +10118,10 @@ pub struct SP_DRVINFO_DETAIL_DATA_A {
     pub CompatIDsOffset: u32,
     pub CompatIDsLength: u32,
     pub Reserved: usize,
-    pub SectionName: [u8; 256],
-    pub InfFileName: [u8; 260],
-    pub DrvDescription: [u8; 256],
-    pub HardwareID: [u8; 1],
+    pub SectionName: [i8; 256],
+    pub InfFileName: [i8; 260],
+    pub DrvDescription: [i8; 256],
+    pub HardwareID: [i8; 1],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_DRVINFO_DETAIL_DATA_A {}
@@ -10497,9 +10497,9 @@ impl ::core::default::Default for SP_INF_INFORMATION {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_INF_SIGNER_INFO_V1_A {
     pub cbSize: u32,
-    pub CatalogFile: [u8; 260],
-    pub DigitalSigner: [u8; 260],
-    pub DigitalSignerVersion: [u8; 260],
+    pub CatalogFile: [i8; 260],
+    pub DigitalSigner: [i8; 260],
+    pub DigitalSignerVersion: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_INF_SIGNER_INFO_V1_A {}
@@ -10523,9 +10523,9 @@ impl ::core::default::Default for SP_INF_SIGNER_INFO_V1_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_INF_SIGNER_INFO_V1_A {
     pub cbSize: u32,
-    pub CatalogFile: [u8; 260],
-    pub DigitalSigner: [u8; 260],
-    pub DigitalSignerVersion: [u8; 260],
+    pub CatalogFile: [i8; 260],
+    pub DigitalSigner: [i8; 260],
+    pub DigitalSignerVersion: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_INF_SIGNER_INFO_V1_A {}
@@ -10601,9 +10601,9 @@ impl ::core::default::Default for SP_INF_SIGNER_INFO_V1_W {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_INF_SIGNER_INFO_V2_A {
     pub cbSize: u32,
-    pub CatalogFile: [u8; 260],
-    pub DigitalSigner: [u8; 260],
-    pub DigitalSignerVersion: [u8; 260],
+    pub CatalogFile: [i8; 260],
+    pub DigitalSigner: [i8; 260],
+    pub DigitalSignerVersion: [i8; 260],
     pub SignerScore: u32,
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
@@ -10628,9 +10628,9 @@ impl ::core::default::Default for SP_INF_SIGNER_INFO_V2_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_INF_SIGNER_INFO_V2_A {
     pub cbSize: u32,
-    pub CatalogFile: [u8; 260],
-    pub DigitalSigner: [u8; 260],
-    pub DigitalSignerVersion: [u8; 260],
+    pub CatalogFile: [i8; 260],
+    pub DigitalSigner: [i8; 260],
+    pub DigitalSignerVersion: [i8; 260],
     pub SignerScore: u32,
 }
 #[cfg(target_arch = "x86")]
@@ -10847,8 +10847,8 @@ impl ::core::default::Default for SP_NEWDEVICEWIZARD_DATA {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct SP_ORIGINAL_FILE_INFO_A {
     pub cbSize: u32,
-    pub OriginalInfName: [u8; 260],
-    pub OriginalCatalogName: [u8; 260],
+    pub OriginalInfName: [i8; 260],
+    pub OriginalCatalogName: [i8; 260],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for SP_ORIGINAL_FILE_INFO_A {}
@@ -10872,8 +10872,8 @@ impl ::core::default::Default for SP_ORIGINAL_FILE_INFO_A {
 #[cfg(target_arch = "x86")]
 pub struct SP_ORIGINAL_FILE_INFO_A {
     pub cbSize: u32,
-    pub OriginalInfName: [u8; 260],
-    pub OriginalCatalogName: [u8; 260],
+    pub OriginalInfName: [i8; 260],
+    pub OriginalCatalogName: [i8; 260],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for SP_ORIGINAL_FILE_INFO_A {}
@@ -10946,7 +10946,7 @@ impl ::core::default::Default for SP_ORIGINAL_FILE_INFO_W {
 #[repr(C)]
 pub struct SP_POWERMESSAGEWAKE_PARAMS_A {
     pub ClassInstallHeader: SP_CLASSINSTALL_HEADER,
-    pub PowerMessageWake: [u8; 512],
+    pub PowerMessageWake: [i8; 512],
 }
 impl ::core::marker::Copy for SP_POWERMESSAGEWAKE_PARAMS_A {}
 impl ::core::clone::Clone for SP_POWERMESSAGEWAKE_PARAMS_A {
@@ -11271,10 +11271,10 @@ impl ::core::default::Default for SP_REMOVEDEVICE_PARAMS {
 #[repr(C)]
 pub struct SP_SELECTDEVICE_PARAMS_A {
     pub ClassInstallHeader: SP_CLASSINSTALL_HEADER,
-    pub Title: [u8; 60],
-    pub Instructions: [u8; 256],
-    pub ListLabel: [u8; 30],
-    pub SubTitle: [u8; 256],
+    pub Title: [i8; 60],
+    pub Instructions: [i8; 256],
+    pub ListLabel: [i8; 30],
+    pub SubTitle: [i8; 256],
     pub Reserved: [u8; 2],
 }
 impl ::core::marker::Copy for SP_SELECTDEVICE_PARAMS_A {}
@@ -11348,8 +11348,8 @@ impl ::core::default::Default for SP_SELECTDEVICE_PARAMS_W {
 #[repr(C)]
 pub struct SP_TROUBLESHOOTER_PARAMS_A {
     pub ClassInstallHeader: SP_CLASSINSTALL_HEADER,
-    pub ChmFile: [u8; 260],
-    pub HtmlTroubleShooter: [u8; 260],
+    pub ChmFile: [i8; 260],
+    pub HtmlTroubleShooter: [i8; 260],
 }
 impl ::core::marker::Copy for SP_TROUBLESHOOTER_PARAMS_A {}
 impl ::core::clone::Clone for SP_TROUBLESHOOTER_PARAMS_A {
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/Display/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/Display/mod.rs
index 97ed6daed6..7b8e9c9541 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/Display/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/Display/mod.rs
@@ -8228,8 +8228,8 @@ impl ::core::default::Default for TYPE1_FONT {
 }
 #[repr(C)]
 pub struct VGA_CHAR {
-    pub Char: u8,
-    pub Attributes: u8,
+    pub Char: i8,
+    pub Attributes: i8,
 }
 impl ::core::marker::Copy for VGA_CHAR {}
 impl ::core::clone::Clone for VGA_CHAR {
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/Fax/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/Fax/mod.rs
index eaf6333e61..666e9b1e3a 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/Fax/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/Fax/mod.rs
@@ -7282,7 +7282,7 @@ impl ::core::default::Default for FAX_CONFIGURATIONW {
 pub struct FAX_CONTEXT_INFOA {
     pub SizeOfStruct: u32,
     pub hDC: super::super::Graphics::Gdi::HDC,
-    pub ServerName: [u8; 16],
+    pub ServerName: [i8; 16],
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
 impl ::core::marker::Copy for FAX_CONTEXT_INFOA {}
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/Geolocation/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/Geolocation/mod.rs
index 3eb76d78ec..9a815c7221 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/Geolocation/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/Geolocation/mod.rs
@@ -2365,7 +2365,7 @@ impl ::core::default::Default for GNSS_NI_RESPONSE {
 pub struct GNSS_NMEA_DATA {
     pub Size: u32,
     pub Version: u32,
-    pub NmeaSentences: [u8; 256],
+    pub NmeaSentences: [i8; 256],
 }
 impl ::core::marker::Copy for GNSS_NMEA_DATA {}
 impl ::core::clone::Clone for GNSS_NMEA_DATA {
@@ -2596,7 +2596,7 @@ pub struct GNSS_SUPL_CERT_CONFIG {
     pub Size: u32,
     pub Version: u32,
     pub CertAction: GNSS_SUPL_CERT_ACTION,
-    pub SuplCertName: [u8; 260],
+    pub SuplCertName: [i8; 260],
     pub CertSize: u32,
     pub Unused: [u8; 512],
     pub CertData: [u8; 1],
@@ -2630,8 +2630,8 @@ impl ::core::default::Default for GNSS_SUPL_CERT_CONFIG {
 pub struct GNSS_SUPL_HSLP_CONFIG {
     pub Size: u32,
     pub Version: u32,
-    pub SuplHslp: [u8; 260],
-    pub SuplHslpFromImsi: [u8; 260],
+    pub SuplHslp: [i8; 260],
+    pub SuplHslpFromImsi: [i8; 260],
     pub Reserved: u32,
     pub Unused: [u8; 512],
 }
@@ -2666,7 +2666,7 @@ pub struct GNSS_SUPL_NI_INFO {
     pub Version: u32,
     pub RequestorId: [u16; 260],
     pub ClientName: [u16; 260],
-    pub SuplNiUrl: [u8; 260],
+    pub SuplNiUrl: [i8; 260],
 }
 impl ::core::marker::Copy for GNSS_SUPL_NI_INFO {}
 impl ::core::clone::Clone for GNSS_SUPL_NI_INFO {
@@ -2758,8 +2758,8 @@ impl ::core::default::Default for GNSS_SUPL_VERSION_2 {
 pub struct GNSS_V2UPL_CONFIG {
     pub Size: u32,
     pub Version: u32,
-    pub MPC: [u8; 260],
-    pub PDE: [u8; 260],
+    pub MPC: [i8; 260],
+    pub PDE: [i8; 260],
     pub ApplicationTypeIndicator_MR: u8,
     pub Unused: [u8; 512],
 }
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/HumanInterfaceDevice/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/HumanInterfaceDevice/mod.rs
index 286a978bfd..e42203580a 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/HumanInterfaceDevice/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/HumanInterfaceDevice/mod.rs
@@ -4575,7 +4575,7 @@ pub struct DIACTIONFORMATA {
     pub hInstString: super::super::Foundation::HINSTANCE,
     pub ftTimeStamp: super::super::Foundation::FILETIME,
     pub dwCRC: u32,
-    pub tszActionMap: [u8; 260],
+    pub tszActionMap: [i8; 260],
 }
 impl ::core::marker::Copy for DIACTIONFORMATA {}
 impl ::core::clone::Clone for DIACTIONFORMATA {
@@ -5040,7 +5040,7 @@ impl ::core::default::Default for DIDEVCAPS_DX3 {
 }
 #[repr(C)]
 pub struct DIDEVICEIMAGEINFOA {
-    pub tszImagePath: [u8; 260],
+    pub tszImagePath: [i8; 260],
     pub dwFlags: u32,
     pub dwViewID: u32,
     pub rcOverlay: super::super::Foundation::RECT,
@@ -5192,8 +5192,8 @@ pub struct DIDEVICEINSTANCEA {
     pub guidInstance: ::windows_core::GUID,
     pub guidProduct: ::windows_core::GUID,
     pub dwDevType: u32,
-    pub tszInstanceName: [u8; 260],
-    pub tszProductName: [u8; 260],
+    pub tszInstanceName: [i8; 260],
+    pub tszProductName: [i8; 260],
     pub guidFFDriver: ::windows_core::GUID,
     pub wUsagePage: u16,
     pub wUsage: u16,
@@ -5266,8 +5266,8 @@ pub struct DIDEVICEINSTANCE_DX3A {
     pub guidInstance: ::windows_core::GUID,
     pub guidProduct: ::windows_core::GUID,
     pub dwDevType: u32,
-    pub tszInstanceName: [u8; 260],
-    pub tszProductName: [u8; 260],
+    pub tszInstanceName: [i8; 260],
+    pub tszProductName: [i8; 260],
 }
 impl ::core::marker::Copy for DIDEVICEINSTANCE_DX3A {}
 impl ::core::clone::Clone for DIDEVICEINSTANCE_DX3A {
@@ -5400,7 +5400,7 @@ pub struct DIDEVICEOBJECTINSTANCEA {
     pub dwOfs: u32,
     pub dwType: u32,
     pub dwFlags: u32,
-    pub tszName: [u8; 260],
+    pub tszName: [i8; 260],
     pub dwFFMaxForce: u32,
     pub dwFFForceResolution: u32,
     pub wCollectionNumber: u16,
@@ -5518,7 +5518,7 @@ pub struct DIDEVICEOBJECTINSTANCE_DX3A {
     pub dwOfs: u32,
     pub dwType: u32,
     pub dwFlags: u32,
-    pub tszName: [u8; 260],
+    pub tszName: [i8; 260],
 }
 impl ::core::marker::Copy for DIDEVICEOBJECTINSTANCE_DX3A {}
 impl ::core::clone::Clone for DIDEVICEOBJECTINSTANCE_DX3A {
@@ -5739,7 +5739,7 @@ pub struct DIEFFECTINFOA {
     pub dwEffType: u32,
     pub dwStaticParams: u32,
     pub dwDynamicParams: u32,
-    pub tszName: [u8; 260],
+    pub tszName: [i8; 260],
 }
 impl ::core::marker::Copy for DIEFFECTINFOA {}
 impl ::core::clone::Clone for DIEFFECTINFOA {
@@ -5988,7 +5988,7 @@ pub struct DIFILEEFFECT {
     pub dwSize: u32,
     pub GuidEffect: ::windows_core::GUID,
     pub lpDiEffect: *mut DIEFFECT,
-    pub szFriendlyName: [u8; 260],
+    pub szFriendlyName: [i8; 260],
 }
 impl ::core::marker::Copy for DIFILEEFFECT {}
 impl ::core::clone::Clone for DIFILEEFFECT {
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/ImageAcquisition/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/ImageAcquisition/mod.rs
index 97d039ef17..5b15a66349 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/ImageAcquisition/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/ImageAcquisition/mod.rs
@@ -3059,7 +3059,7 @@ pub struct VAL {
     pub ppButtonNames: *mut *mut u16,
     pub pHandle: *mut super::super::Foundation::HANDLE,
     pub lReserved: i32,
-    pub szVal: [u8; 255],
+    pub szVal: [i8; 255],
 }
 impl ::core::marker::Copy for VAL {}
 impl ::core::clone::Clone for VAL {
diff --git a/crates/libs/windows/src/Windows/Win32/Devices/Tapi/mod.rs b/crates/libs/windows/src/Windows/Win32/Devices/Tapi/mod.rs
index bca0dd0e41..1f6a25fba0 100644
--- a/crates/libs/windows/src/Windows/Win32/Devices/Tapi/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Devices/Tapi/mod.rs
@@ -10557,9 +10557,9 @@ impl ::core::fmt::Debug for TERMINAL_TYPE {
 }
 #[repr(C)]
 pub struct ADDRALIAS {
-    pub rgchName: [u8; 41],
-    pub rgchEName: [u8; 11],
-    pub rgchSrvr: [u8; 12],
+    pub rgchName: [i8; 41],
+    pub rgchEName: [i8; 11],
+    pub rgchSrvr: [i8; 12],
     pub dibDetail: u32,
     pub r#type: u16,
 }
@@ -12730,10 +12730,10 @@ impl ::core::default::Default for LINEQUEUELIST {
 }
 #[repr(C)]
 pub struct LINEREQMAKECALL {
-    pub szDestAddress: [u8; 80],
-    pub szAppName: [u8; 40],
-    pub szCalledParty: [u8; 40],
-    pub szComment: [u8; 80],
+    pub szDestAddress: [i8; 80],
+    pub szAppName: [i8; 40],
+    pub szCalledParty: [i8; 40],
+    pub szComment: [i8; 80],
 }
 impl ::core::marker::Copy for LINEREQMAKECALL {}
 impl ::core::clone::Clone for LINEREQMAKECALL {
@@ -12785,14 +12785,14 @@ impl ::core::default::Default for LINEREQMAKECALLW {
 pub struct LINEREQMEDIACALL {
     pub hWnd: super::super::Foundation::HWND,
     pub wRequestID: super::super::Foundation::WPARAM,
-    pub szDeviceClass: [u8; 40],
+    pub szDeviceClass: [i8; 40],
     pub ucDeviceID: [u8; 40],
     pub dwSize: u32,
     pub dwSecure: u32,
-    pub szDestAddress: [u8; 80],
-    pub szAppName: [u8; 40],
-    pub szCalledParty: [u8; 40],
-    pub szComment: [u8; 80],
+    pub szDestAddress: [i8; 80],
+    pub szAppName: [i8; 40],
+    pub szCalledParty: [i8; 40],
+    pub szComment: [i8; 80],
 }
 impl ::core::marker::Copy for LINEREQMEDIACALL {}
 impl ::core::clone::Clone for LINEREQMEDIACALL {
@@ -13293,7 +13293,7 @@ impl ::core::default::Default for NSID {
 #[repr(C)]
 pub union NSID_0 {
     pub alias: ADDRALIAS,
-    pub rgchInterNet: [u8; 1],
+    pub rgchInterNet: [i8; 1],
 }
 impl ::core::marker::Copy for NSID_0 {}
 impl ::core::clone::Clone for NSID_0 {
diff --git a/crates/libs/windows/src/Windows/Win32/Globalization/impl.rs b/crates/libs/windows/src/Windows/Win32/Globalization/impl.rs
index ba2f16567d..50d635ae7f 100644
--- a/crates/libs/windows/src/Windows/Win32/Globalization/impl.rs
+++ b/crates/libs/windows/src/Windows/Win32/Globalization/impl.rs
@@ -563,7 +563,7 @@ impl IMLangStringAStr_Vtbl {
 }
 pub trait IMLangStringBufA_Impl: Sized {
     fn GetStatus(&self, plflags: *mut i32, pcchbuf: *mut i32) -> ::windows_core::Result<()>;
-    fn LockBuf(&self, cchoffset: i32, cchmaxlock: i32, ppszbuf: *mut *mut u8, pcchbuf: *mut i32) -> ::windows_core::Result<()>;
+    fn LockBuf(&self, cchoffset: i32, cchmaxlock: i32, ppszbuf: *mut *mut i8, pcchbuf: *mut i32) -> ::windows_core::Result<()>;
     fn UnlockBuf(&self, pszbuf: &::windows_core::PCSTR, cchoffset: i32, cchwrite: i32) -> ::windows_core::Result<()>;
     fn Insert(&self, cchoffset: i32, cchmaxinsert: i32, pcchactual: *mut i32) -> ::windows_core::Result<()>;
     fn Delete(&self, cchoffset: i32, cchdelete: i32) -> ::windows_core::Result<()>;
@@ -576,7 +576,7 @@ impl IMLangStringBufA_Vtbl {
             let this = (*this).get_impl();
             this.GetStatus(::core::mem::transmute_copy(&plflags), ::core::mem::transmute_copy(&pcchbuf)).into()
         }
-        unsafe extern "system" fn LockBuf<Identity: ::windows_core::IUnknownImpl<Impl = Impl>, Impl: IMLangStringBufA_Impl, const OFFSET: isize>(this: *mut ::core::ffi::c_void, cchoffset: i32, cchmaxlock: i32, ppszbuf: *mut *mut u8, pcchbuf: *mut i32) -> ::windows_core::HRESULT {
+        unsafe extern "system" fn LockBuf<Identity: ::windows_core::IUnknownImpl<Impl = Impl>, Impl: IMLangStringBufA_Impl, const OFFSET: isize>(this: *mut ::core::ffi::c_void, cchoffset: i32, cchmaxlock: i32, ppszbuf: *mut *mut i8, pcchbuf: *mut i32) -> ::windows_core::HRESULT {
             let this = (this as *const *const ()).offset(OFFSET) as *const Identity;
             let this = (*this).get_impl();
             this.LockBuf(::core::mem::transmute_copy(&cchoffset), ::core::mem::transmute_copy(&cchmaxlock), ::core::mem::transmute_copy(&ppszbuf), ::core::mem::transmute_copy(&pcchbuf)).into()
diff --git a/crates/libs/windows/src/Windows/Win32/Globalization/mod.rs b/crates/libs/windows/src/Windows/Win32/Globalization/mod.rs
index 73319f2cdb..a0cfd684f0 100644
--- a/crates/libs/windows/src/Windows/Win32/Globalization/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Globalization/mod.rs
@@ -7495,7 +7495,7 @@ impl IMLangStringBufA {
     pub unsafe fn GetStatus(&self, plflags: ::core::option::Option<*mut i32>, pcchbuf: ::core::option::Option<*mut i32>) -> ::windows_core::Result<()> {
         (::windows_core::Interface::vtable(self).GetStatus)(::windows_core::Interface::as_raw(self), ::core::mem::transmute(plflags.unwrap_or(::std::ptr::null_mut())), ::core::mem::transmute(pcchbuf.unwrap_or(::std::ptr::null_mut()))).ok()
     }
-    pub unsafe fn LockBuf(&self, cchoffset: i32, cchmaxlock: i32, ppszbuf: *mut *mut u8, pcchbuf: ::core::option::Option<*mut i32>) -> ::windows_core::Result<()> {
+    pub unsafe fn LockBuf(&self, cchoffset: i32, cchmaxlock: i32, ppszbuf: *mut *mut i8, pcchbuf: ::core::option::Option<*mut i32>) -> ::windows_core::Result<()> {
         (::windows_core::Interface::vtable(self).LockBuf)(::windows_core::Interface::as_raw(self), cchoffset, cchmaxlock, ppszbuf, ::core::mem::transmute(pcchbuf.unwrap_or(::std::ptr::null_mut()))).ok()
     }
     pub unsafe fn UnlockBuf<P0>(&self, pszbuf: P0, cchoffset: i32, cchwrite: i32) -> ::windows_core::Result<()>
@@ -7516,7 +7516,7 @@ impl IMLangStringBufA {
 pub struct IMLangStringBufA_Vtbl {
     pub base__: ::windows_core::IUnknown_Vtbl,
     pub GetStatus: unsafe extern "system" fn(this: *mut ::core::ffi::c_void, plflags: *mut i32, pcchbuf: *mut i32) -> ::windows_core::HRESULT,
-    pub LockBuf: unsafe extern "system" fn(this: *mut ::core::ffi::c_void, cchoffset: i32, cchmaxlock: i32, ppszbuf: *mut *mut u8, pcchbuf: *mut i32) -> ::windows_core::HRESULT,
+    pub LockBuf: unsafe extern "system" fn(this: *mut ::core::ffi::c_void, cchoffset: i32, cchmaxlock: i32, ppszbuf: *mut *mut i8, pcchbuf: *mut i32) -> ::windows_core::HRESULT,
     pub UnlockBuf: unsafe extern "system" fn(this: *mut ::core::ffi::c_void, pszbuf: ::windows_core::PCSTR, cchoffset: i32, cchwrite: i32) -> ::windows_core::HRESULT,
     pub Insert: unsafe extern "system" fn(this: *mut ::core::ffi::c_void, cchoffset: i32, cchmaxinsert: i32, pcchactual: *mut i32) -> ::windows_core::HRESULT,
     pub Delete: unsafe extern "system" fn(this: *mut ::core::ffi::c_void, cchoffset: i32, cchdelete: i32) -> ::windows_core::HRESULT,
@@ -13588,7 +13588,7 @@ pub struct CPINFOEXA {
     pub LeadByte: [u8; 12],
     pub UnicodeDefaultChar: u16,
     pub CodePage: u32,
-    pub CodePageName: [u8; 260],
+    pub CodePageName: [i8; 260],
 }
 impl ::core::marker::Copy for CPINFOEXA {}
 impl ::core::clone::Clone for CPINFOEXA {
diff --git a/crates/libs/windows/src/Windows/Win32/Graphics/Direct3D9/mod.rs b/crates/libs/windows/src/Windows/Win32/Graphics/Direct3D9/mod.rs
index 756c6d5abd..31e6285407 100644
--- a/crates/libs/windows/src/Windows/Win32/Graphics/Direct3D9/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Graphics/Direct3D9/mod.rs
@@ -4153,9 +4153,9 @@ impl ::core::fmt::Debug for D3DZBUFFERTYPE {
 #[repr(C)]
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct D3DADAPTER_IDENTIFIER9 {
-    pub Driver: [u8; 512],
-    pub Description: [u8; 512],
-    pub DeviceName: [u8; 32],
+    pub Driver: [i8; 512],
+    pub Description: [i8; 512],
+    pub DeviceName: [i8; 32],
     pub DriverVersion: i64,
     pub VendorId: u32,
     pub DeviceId: u32,
@@ -4185,9 +4185,9 @@ impl ::core::default::Default for D3DADAPTER_IDENTIFIER9 {
 #[repr(C, packed(4))]
 #[cfg(target_arch = "x86")]
 pub struct D3DADAPTER_IDENTIFIER9 {
-    pub Driver: [u8; 512],
-    pub Description: [u8; 512],
-    pub DeviceName: [u8; 32],
+    pub Driver: [i8; 512],
+    pub Description: [i8; 512],
+    pub DeviceName: [i8; 32],
     pub DriverVersion: i64,
     pub VendorId: u32,
     pub DeviceId: u32,
diff --git a/crates/libs/windows/src/Windows/Win32/Graphics/DirectDraw/mod.rs b/crates/libs/windows/src/Windows/Win32/Graphics/DirectDraw/mod.rs
index a81904a5fe..d695c4b7f3 100644
--- a/crates/libs/windows/src/Windows/Win32/Graphics/DirectDraw/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Graphics/DirectDraw/mod.rs
@@ -2981,8 +2981,8 @@ impl ::core::default::Default for DBLNODE {
 }
 #[repr(C)]
 pub struct DD32BITDRIVERDATA {
-    pub szName: [u8; 260],
-    pub szEntryPoint: [u8; 64],
+    pub szName: [i8; 260],
+    pub szEntryPoint: [i8; 64],
     pub dwContext: u32,
 }
 impl ::core::marker::Copy for DD32BITDRIVERDATA {}
@@ -4170,8 +4170,8 @@ impl ::core::default::Default for DDCORECAPS {
 }
 #[repr(C)]
 pub struct DDDEVICEIDENTIFIER {
-    pub szDriver: [u8; 512],
-    pub szDescription: [u8; 512],
+    pub szDriver: [i8; 512],
+    pub szDescription: [i8; 512],
     pub liDriverVersion: i64,
     pub dwVendorId: u32,
     pub dwDeviceId: u32,
@@ -4206,8 +4206,8 @@ impl ::core::default::Default for DDDEVICEIDENTIFIER {
 }
 #[repr(C)]
 pub struct DDDEVICEIDENTIFIER2 {
-    pub szDriver: [u8; 512],
-    pub szDescription: [u8; 512],
+    pub szDriver: [i8; 512],
+    pub szDescription: [i8; 512],
     pub liDriverVersion: i64,
     pub dwVendorId: u32,
     pub dwDeviceId: u32,
@@ -8992,7 +8992,7 @@ pub struct DDRAWI_DIRECTDRAW_GBL {
     pub dwAliasedLockCnt: u32,
     pub dwReserved3: usize,
     pub hDD: usize,
-    pub cObsolete: [u8; 12],
+    pub cObsolete: [i8; 12],
     pub dwReserved1: u32,
     pub dwReserved2: u32,
     pub dbnOverlayRoot: DBLNODE,
@@ -9023,7 +9023,7 @@ pub struct DDRAWI_DIRECTDRAW_GBL {
     pub lpD3DExtendedCaps: usize,
     pub dwDOSBoxEvent: u32,
     pub rectDesktop: super::super::Foundation::RECT,
-    pub cDriverName: [u8; 32],
+    pub cDriverName: [i8; 32],
     pub lpD3DHALCallbacks3: usize,
     pub dwNumZPixelFormats: u32,
     pub lpZPixelFormats: *mut DDPIXELFORMAT,
diff --git a/crates/libs/windows/src/Windows/Win32/Graphics/Gdi/mod.rs b/crates/libs/windows/src/Windows/Win32/Graphics/Gdi/mod.rs
index 99ea581da8..e845f71f39 100644
--- a/crates/libs/windows/src/Windows/Win32/Graphics/Gdi/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Graphics/Gdi/mod.rs
@@ -7476,11 +7476,11 @@ impl ::core::default::Default for DIBSECTION {
 #[repr(C)]
 pub struct DISPLAY_DEVICEA {
     pub cb: u32,
-    pub DeviceName: [u8; 32],
-    pub DeviceString: [u8; 128],
+    pub DeviceName: [i8; 32],
+    pub DeviceString: [i8; 128],
     pub StateFlags: u32,
-    pub DeviceID: [u8; 128],
-    pub DeviceKey: [u8; 128],
+    pub DeviceID: [i8; 128],
+    pub DeviceKey: [i8; 128],
 }
 impl ::core::marker::Copy for DISPLAY_DEVICEA {}
 impl ::core::clone::Clone for DISPLAY_DEVICEA {
@@ -11102,7 +11102,7 @@ pub struct LOGFONTA {
     pub lfClipPrecision: FONT_CLIP_PRECISION,
     pub lfQuality: FONT_QUALITY,
     pub lfPitchAndFamily: u8,
-    pub lfFaceName: [u8; 32],
+    pub lfFaceName: [i8; 32],
 }
 impl ::core::marker::Copy for LOGFONTA {}
 impl ::core::clone::Clone for LOGFONTA {
@@ -11385,7 +11385,7 @@ impl ::core::default::Default for MONITORINFO {
 #[repr(C)]
 pub struct MONITORINFOEXA {
     pub monitorInfo: MONITORINFO,
-    pub szDevice: [u8; 32],
+    pub szDevice: [i8; 32],
 }
 impl ::core::marker::Copy for MONITORINFOEXA {}
 impl ::core::clone::Clone for MONITORINFOEXA {
@@ -12224,7 +12224,7 @@ impl ::core::default::Default for RGBTRIPLE {
 #[repr(C)]
 pub struct RGNDATA {
     pub rdh: RGNDATAHEADER,
-    pub Buffer: [u8; 1],
+    pub Buffer: [i8; 1],
 }
 impl ::core::marker::Copy for RGNDATA {}
 impl ::core::clone::Clone for RGNDATA {
diff --git a/crates/libs/windows/src/Windows/Win32/Graphics/Printing/mod.rs b/crates/libs/windows/src/Windows/Win32/Graphics/Printing/mod.rs
index 6e2de0cbc6..399b586542 100644
--- a/crates/libs/windows/src/Windows/Win32/Graphics/Printing/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Graphics/Printing/mod.rs
@@ -8959,7 +8959,7 @@ pub struct CORE_PRINTER_DRIVERA {
     pub CoreDriverGUID: ::windows_core::GUID,
     pub ftDriverDate: super::super::Foundation::FILETIME,
     pub dwlDriverVersion: u64,
-    pub szPackageID: [u8; 260],
+    pub szPackageID: [i8; 260],
 }
 impl ::core::marker::Copy for CORE_PRINTER_DRIVERA {}
 impl ::core::clone::Clone for CORE_PRINTER_DRIVERA {
diff --git a/crates/libs/windows/src/Windows/Win32/Media/Audio/DirectMusic/mod.rs b/crates/libs/windows/src/Windows/Win32/Media/Audio/DirectMusic/mod.rs
index 75ee5c8068..791a926ade 100644
--- a/crates/libs/windows/src/Windows/Win32/Media/Audio/DirectMusic/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Media/Audio/DirectMusic/mod.rs
@@ -2032,9 +2032,9 @@ impl ::core::default::Default for DMUS_WAVES_REVERB_PARAMS {
 #[repr(C)]
 pub struct DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_1_DATA {
     pub DeviceId: ::windows_core::GUID,
-    pub DescriptionA: [u8; 256],
+    pub DescriptionA: [i8; 256],
     pub DescriptionW: [u16; 256],
-    pub ModuleA: [u8; 260],
+    pub ModuleA: [i8; 260],
     pub ModuleW: [u16; 260],
     pub Type: DIRECTSOUNDDEVICE_TYPE,
     pub DataFlow: DIRECTSOUNDDEVICE_DATAFLOW,
diff --git a/crates/libs/windows/src/Windows/Win32/Media/Audio/mod.rs b/crates/libs/windows/src/Windows/Win32/Media/Audio/mod.rs
index 443c210bd2..c54b278bc5 100644
--- a/crates/libs/windows/src/Windows/Win32/Media/Audio/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Media/Audio/mod.rs
@@ -4779,11 +4779,11 @@ pub struct ACMDRIVERDETAILSA {
     pub cFormatTags: u32,
     pub cFilterTags: u32,
     pub hicon: super::super::UI::WindowsAndMessaging::HICON,
-    pub szShortName: [u8; 32],
-    pub szLongName: [u8; 128],
-    pub szCopyright: [u8; 80],
-    pub szLicensing: [u8; 128],
-    pub szFeatures: [u8; 512],
+    pub szShortName: [i8; 32],
+    pub szLongName: [i8; 128],
+    pub szCopyright: [i8; 80],
+    pub szLicensing: [i8; 128],
+    pub szFeatures: [i8; 512],
 }
 #[cfg(feature = "Win32_UI_WindowsAndMessaging")]
 impl ::core::marker::Copy for ACMDRIVERDETAILSA {}
@@ -5011,8 +5011,8 @@ pub struct ACMFILTERCHOOSEA {
     pub pwfltr: *mut WAVEFILTER,
     pub cbwfltr: u32,
     pub pszTitle: ::windows_core::PCSTR,
-    pub szFilterTag: [u8; 48],
-    pub szFilter: [u8; 128],
+    pub szFilterTag: [i8; 48],
+    pub szFilter: [i8; 128],
     pub pszName: ::windows_core::PSTR,
     pub cchName: u32,
     pub fdwEnum: u32,
@@ -5077,7 +5077,7 @@ pub struct ACMFILTERDETAILSA {
     pub fdwSupport: u32,
     pub pwfltr: *mut WAVEFILTER,
     pub cbwfltr: u32,
-    pub szFilter: [u8; 128],
+    pub szFilter: [i8; 128],
 }
 impl ::core::marker::Copy for ACMFILTERDETAILSA {}
 impl ::core::clone::Clone for ACMFILTERDETAILSA {
@@ -5125,7 +5125,7 @@ pub struct ACMFILTERTAGDETAILSA {
     pub cbFilterSize: u32,
     pub fdwSupport: u32,
     pub cStandardFilters: u32,
-    pub szFilterTag: [u8; 48],
+    pub szFilterTag: [i8; 48],
 }
 impl ::core::marker::Copy for ACMFILTERTAGDETAILSA {}
 impl ::core::clone::Clone for ACMFILTERTAGDETAILSA {
@@ -5173,8 +5173,8 @@ pub struct ACMFORMATCHOOSEA {
     pub pwfx: *mut WAVEFORMATEX,
     pub cbwfx: u32,
     pub pszTitle: ::windows_core::PCSTR,
-    pub szFormatTag: [u8; 48],
-    pub szFormat: [u8; 128],
+    pub szFormatTag: [i8; 48],
+    pub szFormat: [i8; 128],
     pub pszName: ::windows_core::PSTR,
     pub cchName: u32,
     pub fdwEnum: u32,
@@ -5239,7 +5239,7 @@ pub struct ACMFORMATDETAILSA {
     pub fdwSupport: u32,
     pub pwfx: *mut WAVEFORMATEX,
     pub cbwfx: u32,
-    pub szFormat: [u8; 128],
+    pub szFormat: [i8; 128],
 }
 impl ::core::marker::Copy for ACMFORMATDETAILSA {}
 impl ::core::clone::Clone for ACMFORMATDETAILSA {
@@ -5263,7 +5263,7 @@ pub struct ACMFORMATTAGDETAILSA {
     pub cbFormatSize: u32,
     pub fdwSupport: u32,
     pub cStandardFormats: u32,
-    pub szFormatTag: [u8; 48],
+    pub szFormatTag: [i8; 48],
 }
 impl ::core::marker::Copy for ACMFORMATTAGDETAILSA {}
 impl ::core::clone::Clone for ACMFORMATTAGDETAILSA {
@@ -5543,7 +5543,7 @@ pub struct AUXCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wTechnology: u16,
     pub wReserved1: u16,
     pub dwSupport: u32,
@@ -5597,7 +5597,7 @@ pub struct AUXCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wTechnology: u16,
     pub wReserved1: u16,
     pub dwSupport: u32,
@@ -6186,7 +6186,7 @@ pub struct MIDIINCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwSupport: u32,
     pub ManufacturerGuid: ::windows_core::GUID,
     pub ProductGuid: ::windows_core::GUID,
@@ -6236,7 +6236,7 @@ pub struct MIDIINCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwSupport: u32,
 }
 impl ::core::marker::Copy for MIDIINCAPSA {}
@@ -6280,7 +6280,7 @@ pub struct MIDIOUTCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wTechnology: u16,
     pub wVoices: u16,
     pub wNotes: u16,
@@ -6338,7 +6338,7 @@ pub struct MIDIOUTCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wTechnology: u16,
     pub wVoices: u16,
     pub wNotes: u16,
@@ -6448,7 +6448,7 @@ pub struct MIXERCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub fdwSupport: u32,
     pub cDestinations: u32,
     pub ManufacturerGuid: ::windows_core::GUID,
@@ -6500,7 +6500,7 @@ pub struct MIXERCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub fdwSupport: u32,
     pub cDestinations: u32,
 }
@@ -6548,8 +6548,8 @@ pub struct MIXERCONTROLA {
     pub dwControlType: u32,
     pub fdwControl: u32,
     pub cMultipleItems: u32,
-    pub szShortName: [u8; 16],
-    pub szName: [u8; 64],
+    pub szShortName: [i8; 16],
+    pub szName: [i8; 64],
     pub Bounds: MIXERCONTROLA_0,
     pub Metrics: MIXERCONTROLA_1,
 }
@@ -6709,7 +6709,7 @@ impl ::core::default::Default for MIXERCONTROLDETAILS_BOOLEAN {
 pub struct MIXERCONTROLDETAILS_LISTTEXTA {
     pub dwParam1: u32,
     pub dwParam2: u32,
-    pub szName: [u8; 64],
+    pub szName: [i8; 64],
 }
 impl ::core::marker::Copy for MIXERCONTROLDETAILS_LISTTEXTA {}
 impl ::core::clone::Clone for MIXERCONTROLDETAILS_LISTTEXTA {
@@ -6897,8 +6897,8 @@ pub struct MIXERLINEA {
     pub cChannels: u32,
     pub cConnections: u32,
     pub cControls: u32,
-    pub szShortName: [u8; 16],
-    pub szName: [u8; 64],
+    pub szShortName: [i8; 16],
+    pub szName: [i8; 64],
     pub Target: MIXERLINEA_0,
 }
 impl ::core::marker::Copy for MIXERLINEA {}
@@ -6922,7 +6922,7 @@ pub struct MIXERLINEA_0 {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
 }
 impl ::core::marker::Copy for MIXERLINEA_0 {}
 impl ::core::clone::Clone for MIXERLINEA_0 {
@@ -7539,7 +7539,7 @@ pub struct WAVEINCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwFormats: u32,
     pub wChannels: u16,
     pub wReserved1: u16,
@@ -7593,7 +7593,7 @@ pub struct WAVEINCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwFormats: u32,
     pub wChannels: u16,
     pub wReserved1: u16,
@@ -7641,7 +7641,7 @@ pub struct WAVEOUTCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwFormats: u32,
     pub wChannels: u16,
     pub wReserved1: u16,
@@ -7697,7 +7697,7 @@ pub struct WAVEOUTCAPSA {
     pub wMid: u16,
     pub wPid: u16,
     pub vDriverVersion: u32,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub dwFormats: u32,
     pub wChannels: u16,
     pub wReserved1: u16,
diff --git a/crates/libs/windows/src/Windows/Win32/Media/DirectShow/Tv/mod.rs b/crates/libs/windows/src/Windows/Win32/Media/DirectShow/Tv/mod.rs
index 4271761d17..9f1b98f930 100644
--- a/crates/libs/windows/src/Windows/Win32/Media/DirectShow/Tv/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Media/DirectShow/Tv/mod.rs
@@ -23042,7 +23042,7 @@ impl ::core::default::Default for DvbParentalRatingDescriptor {
 }
 #[repr(C)]
 pub struct DvbParentalRatingParam {
-    pub szCountryCode: [u8; 4],
+    pub szCountryCode: [i8; 4],
     pub bRating: u8,
 }
 impl ::core::marker::Copy for DvbParentalRatingParam {}
@@ -23155,7 +23155,7 @@ impl ::core::default::Default for KSM_BDA_CAS_CAPTURETOKEN {
 pub struct KSM_BDA_CAS_CLOSEMMIDIALOG {
     pub NodeMethod: super::super::KernelStreaming::KSM_NODE,
     pub ulDialogRequest: u32,
-    pub cLanguage: [u8; 12],
+    pub cLanguage: [i8; 12],
     pub ulDialogNumber: u32,
     pub ulReason: u32,
 }
@@ -23183,7 +23183,7 @@ impl ::core::default::Default for KSM_BDA_CAS_CLOSEMMIDIALOG {
 pub struct KSM_BDA_CAS_ENTITLEMENTTOKEN {
     pub NodeMethod: super::super::KernelStreaming::KSM_NODE,
     pub ulDialogRequest: u32,
-    pub cLanguage: [u8; 12],
+    pub cLanguage: [i8; 12],
     pub ulRequestType: u32,
     pub ulEntitlementTokenLen: u32,
     pub argbEntitlementToken: [u8; 1],
@@ -23212,7 +23212,7 @@ impl ::core::default::Default for KSM_BDA_CAS_ENTITLEMENTTOKEN {
 pub struct KSM_BDA_CAS_OPENBROADCASTMMI {
     pub NodeMethod: super::super::KernelStreaming::KSM_NODE,
     pub ulDialogRequest: u32,
-    pub cLanguage: [u8; 12],
+    pub cLanguage: [i8; 12],
     pub ulEventId: u32,
 }
 #[cfg(feature = "Win32_Media_KernelStreaming")]
@@ -23368,7 +23368,7 @@ impl ::core::default::Default for KSM_BDA_GDDS_TUNEXMLFROMIDX {
 pub struct KSM_BDA_GPNV_GETVALUE {
     pub Method: super::super::KernelStreaming::KSIDENTIFIER,
     pub ulNameLength: u32,
-    pub cLanguage: [u8; 12],
+    pub cLanguage: [i8; 12],
     pub argbData: [u8; 1],
 }
 #[cfg(feature = "Win32_Media_KernelStreaming")]
@@ -23420,7 +23420,7 @@ impl ::core::default::Default for KSM_BDA_GPNV_NAMEINDEX {
 pub struct KSM_BDA_GPNV_SETVALUE {
     pub Method: super::super::KernelStreaming::KSIDENTIFIER,
     pub ulDialogRequest: u32,
-    pub cLanguage: [u8; 12],
+    pub cLanguage: [i8; 12],
     pub ulNameLength: u32,
     pub ulValueLength: u32,
     pub argbName: [u8; 1],
@@ -23782,7 +23782,7 @@ impl ::core::default::Default for KSM_BDA_WMDRMTUNER_GETPIDPROTECTION {
 pub struct KSM_BDA_WMDRMTUNER_PURCHASEENTITLEMENT {
     pub NodeMethod: super::super::KernelStreaming::KSM_NODE,
     pub ulDialogRequest: u32,
-    pub cLanguage: [u8; 12],
+    pub cLanguage: [i8; 12],
     pub ulPurchaseTokenLength: u32,
     pub argbDataBuffer: [u8; 1],
 }
diff --git a/crates/libs/windows/src/Windows/Win32/Media/KernelStreaming/mod.rs b/crates/libs/windows/src/Windows/Win32/Media/KernelStreaming/mod.rs
index d8a0c4adfe..f6529fdc02 100644
--- a/crates/libs/windows/src/Windows/Win32/Media/KernelStreaming/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Media/KernelStreaming/mod.rs
@@ -8277,7 +8277,7 @@ pub struct KSGOP_USERDATA {
     pub sc: u32,
     pub reserved1: u32,
     pub cFields: u8,
-    pub l21Data: [u8; 3],
+    pub l21Data: [i8; 3],
 }
 impl ::core::marker::Copy for KSGOP_USERDATA {}
 impl ::core::clone::Clone for KSGOP_USERDATA {
diff --git a/crates/libs/windows/src/Windows/Win32/Media/Multimedia/mod.rs b/crates/libs/windows/src/Windows/Win32/Media/Multimedia/mod.rs
index 2cb8e4e960..decde64991 100644
--- a/crates/libs/windows/src/Windows/Win32/Media/Multimedia/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Media/Multimedia/mod.rs
@@ -6342,7 +6342,7 @@ pub struct AVIFILEINFOA {
     pub dwRate: u32,
     pub dwLength: u32,
     pub dwEditCount: u32,
-    pub szFileType: [u8; 64],
+    pub szFileType: [i8; 64],
 }
 impl ::core::marker::Copy for AVIFILEINFOA {}
 impl ::core::clone::Clone for AVIFILEINFOA {
@@ -6454,7 +6454,7 @@ pub struct AVISTREAMINFOA {
     pub rcFrame: super::super::Foundation::RECT,
     pub dwEditCount: u32,
     pub dwFormatChangeCount: u32,
-    pub szName: [u8; 64],
+    pub szName: [i8; 64],
 }
 impl ::core::marker::Copy for AVISTREAMINFOA {}
 impl ::core::clone::Clone for AVISTREAMINFOA {
@@ -8162,7 +8162,7 @@ impl ::core::default::Default for IMAADPCMWAVEFORMAT {
 pub struct JOYCAPS2A {
     pub wMid: u16,
     pub wPid: u16,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wXmin: u32,
     pub wXmax: u32,
     pub wYmin: u32,
@@ -8182,8 +8182,8 @@ pub struct JOYCAPS2A {
     pub wMaxAxes: u32,
     pub wNumAxes: u32,
     pub wMaxButtons: u32,
-    pub szRegKey: [u8; 32],
-    pub szOEMVxD: [u8; 260],
+    pub szRegKey: [i8; 32],
+    pub szOEMVxD: [i8; 260],
     pub ManufacturerGuid: ::windows_core::GUID,
     pub ProductGuid: ::windows_core::GUID,
     pub NameGuid: ::windows_core::GUID,
@@ -8250,7 +8250,7 @@ impl ::core::default::Default for JOYCAPS2W {
 pub struct JOYCAPSA {
     pub wMid: u16,
     pub wPid: u16,
-    pub szPname: [u8; 32],
+    pub szPname: [i8; 32],
     pub wXmin: u32,
     pub wXmax: u32,
     pub wYmin: u32,
@@ -8270,8 +8270,8 @@ pub struct JOYCAPSA {
     pub wMaxAxes: u32,
     pub wNumAxes: u32,
     pub wMaxButtons: u32,
-    pub szRegKey: [u8; 32],
-    pub szOEMVxD: [u8; 260],
+    pub szRegKey: [i8; 32],
+    pub szOEMVxD: [i8; 260],
 }
 impl ::core::marker::Copy for JOYCAPSA {}
 impl ::core::clone::Clone for JOYCAPSA {
@@ -10678,8 +10678,8 @@ impl ::core::default::Default for YAMAHA_ADPCMWAVEFORMAT {
 #[repr(C)]
 pub struct s_RIFFWAVE_inst {
     pub bUnshiftedNote: u8,
-    pub chFineTune: u8,
-    pub chGain: u8,
+    pub chFineTune: i8,
+    pub chGain: i8,
     pub bLowNote: u8,
     pub bHighNote: u8,
     pub bLowVelocity: u8,
diff --git a/crates/libs/windows/src/Windows/Win32/NetworkManagement/Dns/mod.rs b/crates/libs/windows/src/Windows/Win32/NetworkManagement/Dns/mod.rs
index 068de403bf..ef33ac9389 100644
--- a/crates/libs/windows/src/Windows/Win32/NetworkManagement/Dns/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/NetworkManagement/Dns/mod.rs
@@ -966,7 +966,7 @@ impl ::core::default::Default for DNS_AAAA_DATA {
 }
 #[repr(C)]
 pub struct DNS_ADDR {
-    pub MaxSa: [u8; 32],
+    pub MaxSa: [i8; 32],
     pub Data: DNS_ADDR_0,
 }
 impl ::core::marker::Copy for DNS_ADDR {}
@@ -1519,7 +1519,7 @@ impl ::core::default::Default for DNS_CUSTOM_SERVER_0 {
 }
 #[repr(C)]
 pub union DNS_CUSTOM_SERVER_1 {
-    pub MaxSa: [u8; 32],
+    pub MaxSa: [i8; 32],
 }
 impl ::core::marker::Copy for DNS_CUSTOM_SERVER_1 {}
 impl ::core::clone::Clone for DNS_CUSTOM_SERVER_1 {
@@ -1715,7 +1715,7 @@ impl ::core::default::Default for DNS_LOC_DATA {
 #[repr(C)]
 pub struct DNS_MESSAGE_BUFFER {
     pub MessageHead: DNS_HEADER,
-    pub MessageBody: [u8; 1],
+    pub MessageBody: [i8; 1],
 }
 impl ::core::marker::Copy for DNS_MESSAGE_BUFFER {}
 impl ::core::clone::Clone for DNS_MESSAGE_BUFFER {
@@ -2268,7 +2268,7 @@ impl ::core::default::Default for DNS_PTR_DATAW {
 }
 #[repr(C)]
 pub struct DNS_QUERY_CANCEL {
-    pub Reserved: [u8; 32],
+    pub Reserved: [i8; 32],
 }
 impl ::core::marker::Copy for DNS_QUERY_CANCEL {}
 impl ::core::clone::Clone for DNS_QUERY_CANCEL {
diff --git a/crates/libs/windows/src/Windows/Win32/NetworkManagement/IpHelper/mod.rs b/crates/libs/windows/src/Windows/Win32/NetworkManagement/IpHelper/mod.rs
index 20fb1200db..b4fd579c37 100644
--- a/crates/libs/windows/src/Windows/Win32/NetworkManagement/IpHelper/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/NetworkManagement/IpHelper/mod.rs
@@ -2633,12 +2633,12 @@ impl ::core::default::Default for DNS_SETTINGS2 {
 }
 #[repr(C)]
 pub struct FIXED_INFO_W2KSP1 {
-    pub HostName: [u8; 132],
-    pub DomainName: [u8; 132],
+    pub HostName: [i8; 132],
+    pub DomainName: [i8; 132],
     pub CurrentDnsServer: *mut IP_ADDR_STRING,
     pub DnsServerList: IP_ADDR_STRING,
     pub NodeType: u32,
-    pub ScopeId: [u8; 260],
+    pub ScopeId: [i8; 260],
     pub EnableRouting: u32,
     pub EnableProxy: u32,
     pub EnableDns: u32,
@@ -3595,8 +3595,8 @@ impl ::core::default::Default for IP_ADAPTER_INDEX_MAP {
 pub struct IP_ADAPTER_INFO {
     pub Next: *mut IP_ADAPTER_INFO,
     pub ComboIndex: u32,
-    pub AdapterName: [u8; 260],
-    pub Description: [u8; 132],
+    pub AdapterName: [i8; 260],
+    pub Description: [i8; 132],
     pub AddressLength: u32,
     pub Address: [u8; 8],
     pub Index: u32,
@@ -4177,7 +4177,7 @@ impl ::core::default::Default for IP_ADDRESS_PREFIX {
 }
 #[repr(C)]
 pub struct IP_ADDRESS_STRING {
-    pub String: [u8; 16],
+    pub String: [i8; 16],
 }
 impl ::core::marker::Copy for IP_ADDRESS_STRING {}
 impl ::core::clone::Clone for IP_ADDRESS_STRING {
diff --git a/crates/libs/windows/src/Windows/Win32/NetworkManagement/Ndis/mod.rs b/crates/libs/windows/src/Windows/Win32/NetworkManagement/Ndis/mod.rs
index b41024f363..2f3d0f1afd 100644
--- a/crates/libs/windows/src/Windows/Win32/NetworkManagement/Ndis/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/NetworkManagement/Ndis/mod.rs
@@ -5732,7 +5732,7 @@ pub struct NDIS_WMI_ENUM_ADAPTER {
     pub IfIndex: u32,
     pub NetLuid: NET_LUID_LH,
     pub DeviceNameLength: u16,
-    pub DeviceName: [u8; 1],
+    pub DeviceName: [i8; 1],
 }
 impl ::core::marker::Copy for NDIS_WMI_ENUM_ADAPTER {}
 impl ::core::clone::Clone for NDIS_WMI_ENUM_ADAPTER {
diff --git a/crates/libs/windows/src/Windows/Win32/NetworkManagement/NetManagement/mod.rs b/crates/libs/windows/src/Windows/Win32/NetworkManagement/NetManagement/mod.rs
index a520a05255..7b51a5c541 100644
--- a/crates/libs/windows/src/Windows/Win32/NetworkManagement/NetManagement/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/NetworkManagement/NetManagement/mod.rs
@@ -6153,7 +6153,7 @@ impl ::core::default::Default for ERROR_LOG {
 pub struct FLAT_STRING {
     pub MaximumLength: i16,
     pub Length: i16,
-    pub Buffer: [u8; 1],
+    pub Buffer: [i8; 1],
 }
 impl ::core::marker::Copy for FLAT_STRING {}
 impl ::core::clone::Clone for FLAT_STRING {
diff --git a/crates/libs/windows/src/Windows/Win32/NetworkManagement/NetworkDiagnosticsFramework/mod.rs b/crates/libs/windows/src/Windows/Win32/NetworkManagement/NetworkDiagnosticsFramework/mod.rs
index 4c252c648a..dee04c42e4 100644
--- a/crates/libs/windows/src/Windows/Win32/NetworkManagement/NetworkDiagnosticsFramework/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/NetworkManagement/NetworkDiagnosticsFramework/mod.rs
@@ -433,7 +433,7 @@ impl ::core::fmt::Debug for UI_INFO_TYPE {
 #[repr(C)]
 pub struct DIAG_SOCKADDR {
     pub family: u16,
-    pub data: [u8; 126],
+    pub data: [i8; 126],
 }
 impl ::core::marker::Copy for DIAG_SOCKADDR {}
 impl ::core::clone::Clone for DIAG_SOCKADDR {
diff --git a/crates/libs/windows/src/Windows/Win32/NetworkManagement/Rras/mod.rs b/crates/libs/windows/src/Windows/Win32/NetworkManagement/Rras/mod.rs
index c0272a41d2..19f27b84df 100644
--- a/crates/libs/windows/src/Windows/Win32/NetworkManagement/Rras/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/NetworkManagement/Rras/mod.rs
@@ -5724,7 +5724,7 @@ impl ::core::default::Default for RASADPARAMS {
 pub struct RASAMBA {
     pub dwSize: u32,
     pub dwError: u32,
-    pub szNetBiosError: [u8; 17],
+    pub szNetBiosError: [i8; 17],
     pub bLana: u8,
 }
 impl ::core::marker::Copy for RASAMBA {}
@@ -5789,7 +5789,7 @@ pub struct RASAUTODIALENTRYA {
     pub dwSize: u32,
     pub dwFlags: u32,
     pub dwDialingLocation: u32,
-    pub szEntry: [u8; 257],
+    pub szEntry: [i8; 257],
 }
 impl ::core::marker::Copy for RASAUTODIALENTRYA {}
 impl ::core::clone::Clone for RASAUTODIALENTRYA {
@@ -5886,10 +5886,10 @@ impl ::core::default::Default for RASCOMMSETTINGS {
 pub struct RASCONNA {
     pub dwSize: u32,
     pub hrasconn: HRASCONN,
-    pub szEntryName: [u8; 257],
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szPhonebook: [u8; 260],
+    pub szEntryName: [i8; 257],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szPhonebook: [i8; 260],
     pub dwSubEntry: u32,
     pub guidEntry: ::windows_core::GUID,
     pub dwFlags: u32,
@@ -5919,10 +5919,10 @@ impl ::core::default::Default for RASCONNA {
 pub struct RASCONNA {
     pub dwSize: u32,
     pub hrasconn: HRASCONN,
-    pub szEntryName: [u8; 257],
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szPhonebook: [u8; 260],
+    pub szEntryName: [i8; 257],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szPhonebook: [i8; 260],
     pub dwSubEntry: u32,
     pub guidEntry: ::windows_core::GUID,
     pub dwFlags: u32,
@@ -5954,9 +5954,9 @@ pub struct RASCONNSTATUSA {
     pub dwSize: u32,
     pub rasconnstate: RASCONNSTATE,
     pub dwError: u32,
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szPhoneNumber: [u8; 129],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szPhoneNumber: [i8; 129],
     pub localEndPoint: RASTUNNELENDPOINT,
     pub remoteEndPoint: RASTUNNELENDPOINT,
     pub rasconnsubstate: RASCONNSUBSTATE,
@@ -6081,9 +6081,9 @@ impl ::core::default::Default for RASCONNW {
 pub struct RASCREDENTIALSA {
     pub dwSize: u32,
     pub dwMask: u32,
-    pub szUserName: [u8; 257],
-    pub szPassword: [u8; 257],
-    pub szDomain: [u8; 16],
+    pub szUserName: [i8; 257],
+    pub szPassword: [i8; 257],
+    pub szDomain: [i8; 16],
 }
 impl ::core::marker::Copy for RASCREDENTIALSA {}
 impl ::core::clone::Clone for RASCREDENTIALSA {
@@ -6198,8 +6198,8 @@ impl ::core::default::Default for RASCUSTOMSCRIPTEXTENSIONS {
 #[repr(C)]
 pub struct RASDEVINFOA {
     pub dwSize: u32,
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
 }
 impl ::core::marker::Copy for RASDEVINFOA {}
 impl ::core::clone::Clone for RASDEVINFOA {
@@ -6360,12 +6360,12 @@ impl ::core::default::Default for RASDIALEXTENSIONS {
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct RASDIALPARAMSA {
     pub dwSize: u32,
-    pub szEntryName: [u8; 257],
-    pub szPhoneNumber: [u8; 129],
-    pub szCallbackNumber: [u8; 129],
-    pub szUserName: [u8; 257],
-    pub szPassword: [u8; 257],
-    pub szDomain: [u8; 16],
+    pub szEntryName: [i8; 257],
+    pub szPhoneNumber: [i8; 129],
+    pub szCallbackNumber: [i8; 129],
+    pub szUserName: [i8; 257],
+    pub szPassword: [i8; 257],
+    pub szDomain: [i8; 16],
     pub dwSubEntry: u32,
     pub dwCallbackId: usize,
     pub dwIfIndex: u32,
@@ -6393,12 +6393,12 @@ impl ::core::default::Default for RASDIALPARAMSA {
 #[cfg(target_arch = "x86")]
 pub struct RASDIALPARAMSA {
     pub dwSize: u32,
-    pub szEntryName: [u8; 257],
-    pub szPhoneNumber: [u8; 129],
-    pub szCallbackNumber: [u8; 129],
-    pub szUserName: [u8; 257],
-    pub szPassword: [u8; 257],
-    pub szDomain: [u8; 16],
+    pub szEntryName: [i8; 257],
+    pub szPhoneNumber: [i8; 129],
+    pub szCallbackNumber: [i8; 129],
+    pub szUserName: [i8; 257],
+    pub szPassword: [i8; 257],
+    pub szDomain: [i8; 16],
     pub dwSubEntry: u32,
     pub dwCallbackId: usize,
     pub dwIfIndex: u32,
@@ -6509,7 +6509,7 @@ impl ::core::default::Default for RASEAPINFO {
 }
 #[repr(C)]
 pub struct RASEAPUSERIDENTITYA {
-    pub szUserName: [u8; 257],
+    pub szUserName: [i8; 257],
     pub dwSizeofEapInfo: u32,
     pub pbEapInfo: [u8; 1],
 }
@@ -6577,8 +6577,8 @@ pub struct RASENTRYA {
     pub dwfOptions: u32,
     pub dwCountryID: u32,
     pub dwCountryCode: u32,
-    pub szAreaCode: [u8; 11],
-    pub szLocalPhoneNumber: [u8; 129],
+    pub szAreaCode: [i8; 11],
+    pub szLocalPhoneNumber: [i8; 129],
     pub dwAlternateOffset: u32,
     pub ipaddr: RASIPADDR,
     pub ipaddrDns: RASIPADDR,
@@ -6588,15 +6588,15 @@ pub struct RASENTRYA {
     pub dwFrameSize: u32,
     pub dwfNetProtocols: u32,
     pub dwFramingProtocol: u32,
-    pub szScript: [u8; 260],
-    pub szAutodialDll: [u8; 260],
-    pub szAutodialFunc: [u8; 260],
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szX25PadType: [u8; 33],
-    pub szX25Address: [u8; 201],
-    pub szX25Facilities: [u8; 201],
-    pub szX25UserData: [u8; 201],
+    pub szScript: [i8; 260],
+    pub szAutodialDll: [i8; 260],
+    pub szAutodialFunc: [i8; 260],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szX25PadType: [i8; 33],
+    pub szX25Address: [i8; 201],
+    pub szX25Facilities: [i8; 201],
+    pub szX25UserData: [i8; 201],
     pub dwChannels: u32,
     pub dwReserved1: u32,
     pub dwReserved2: u32,
@@ -6611,14 +6611,14 @@ pub struct RASENTRYA {
     pub dwEncryptionType: u32,
     pub dwCustomAuthKey: u32,
     pub guidId: ::windows_core::GUID,
-    pub szCustomDialDll: [u8; 260],
+    pub szCustomDialDll: [i8; 260],
     pub dwVpnStrategy: u32,
     pub dwfOptions2: u32,
     pub dwfOptions3: u32,
-    pub szDnsSuffix: [u8; 256],
+    pub szDnsSuffix: [i8; 256],
     pub dwTcpWindowSize: u32,
-    pub szPrerequisitePbk: [u8; 260],
-    pub szPrerequisiteEntry: [u8; 257],
+    pub szPrerequisitePbk: [i8; 260],
+    pub szPrerequisiteEntry: [i8; 257],
     pub dwRedialCount: u32,
     pub dwRedialPause: u32,
     pub ipv6addrDns: super::super::Networking::WinSock::IN6_ADDR,
@@ -6628,8 +6628,8 @@ pub struct RASENTRYA {
     pub ipv6addr: super::super::Networking::WinSock::IN6_ADDR,
     pub dwIPv6PrefixLength: u32,
     pub dwNetworkOutageTime: u32,
-    pub szIDi: [u8; 257],
-    pub szIDr: [u8; 257],
+    pub szIDi: [i8; 257],
+    pub szIDr: [i8; 257],
     pub fIsImsConfig: super::super::Foundation::BOOL,
     pub IdiType: IKEV2_ID_PAYLOAD_TYPE,
     pub IdrType: IKEV2_ID_PAYLOAD_TYPE,
@@ -6661,7 +6661,7 @@ pub struct RASENTRYDLGA {
     pub dwFlags: u32,
     pub xDlg: i32,
     pub yDlg: i32,
-    pub szEntry: [u8; 257],
+    pub szEntry: [i8; 257],
     pub dwError: u32,
     pub reserved: usize,
     pub reserved2: usize,
@@ -6692,7 +6692,7 @@ pub struct RASENTRYDLGA {
     pub dwFlags: u32,
     pub xDlg: i32,
     pub yDlg: i32,
-    pub szEntry: [u8; 257],
+    pub szEntry: [i8; 257],
     pub dwError: u32,
     pub reserved: usize,
     pub reserved2: usize,
@@ -6780,9 +6780,9 @@ impl ::core::default::Default for RASENTRYDLGW {
 #[repr(C)]
 pub struct RASENTRYNAMEA {
     pub dwSize: u32,
-    pub szEntryName: [u8; 257],
+    pub szEntryName: [i8; 257],
     pub dwFlags: u32,
-    pub szPhonebookPath: [u8; 261],
+    pub szPhonebookPath: [i8; 261],
 }
 impl ::core::marker::Copy for RASENTRYNAMEA {}
 impl ::core::clone::Clone for RASENTRYNAMEA {
@@ -7079,9 +7079,9 @@ pub struct RASNOUSERA {
     pub dwSize: u32,
     pub dwFlags: u32,
     pub dwTimeoutMs: u32,
-    pub szUserName: [u8; 257],
-    pub szPassword: [u8; 257],
-    pub szDomain: [u8; 16],
+    pub szUserName: [i8; 257],
+    pub szPassword: [i8; 257],
+    pub szDomain: [i8; 16],
 }
 impl ::core::marker::Copy for RASNOUSERA {}
 impl ::core::clone::Clone for RASNOUSERA {
@@ -7308,8 +7308,8 @@ impl ::core::default::Default for RASPPPCCP {
 pub struct RASPPPIPA {
     pub dwSize: u32,
     pub dwError: u32,
-    pub szIpAddress: [u8; 16],
-    pub szServerIpAddress: [u8; 16],
+    pub szIpAddress: [i8; 16],
+    pub szServerIpAddress: [i8; 16],
     pub dwOptions: u32,
     pub dwServerOptions: u32,
 }
@@ -7410,7 +7410,7 @@ impl ::core::default::Default for RASPPPIPW {
 pub struct RASPPPIPXA {
     pub dwSize: u32,
     pub dwError: u32,
-    pub szIpxAddress: [u8; 22],
+    pub szIpxAddress: [i8; 22],
 }
 impl ::core::marker::Copy for RASPPPIPXA {}
 impl ::core::clone::Clone for RASPPPIPXA {
@@ -7451,7 +7451,7 @@ pub struct RASPPPLCPA {
     pub fMultilink: super::super::Foundation::BOOL,
     pub dwTerminateReason: u32,
     pub dwServerTerminateReason: u32,
-    pub szReplyMessage: [u8; 1024],
+    pub szReplyMessage: [i8; 1024],
     pub dwOptions: u32,
     pub dwServerOptions: u32,
 }
@@ -7560,8 +7560,8 @@ pub struct RASPPPNBFA {
     pub dwSize: u32,
     pub dwError: u32,
     pub dwNetBiosError: u32,
-    pub szNetBiosError: [u8; 17],
-    pub szWorkstationName: [u8; 17],
+    pub szNetBiosError: [i8; 17],
+    pub szWorkstationName: [i8; 17],
     pub bLana: u8,
 }
 impl ::core::marker::Copy for RASPPPNBFA {}
@@ -7673,9 +7673,9 @@ impl ::core::default::Default for RASPPP_PROJECTION_INFO {
 pub struct RASSUBENTRYA {
     pub dwSize: u32,
     pub dwfFlags: u32,
-    pub szDeviceType: [u8; 17],
-    pub szDeviceName: [u8; 129],
-    pub szLocalPhoneNumber: [u8; 129],
+    pub szDeviceType: [i8; 17],
+    pub szDeviceName: [i8; 129],
+    pub szLocalPhoneNumber: [i8; 129],
     pub dwAlternateOffset: u32,
 }
 impl ::core::marker::Copy for RASSUBENTRYA {}
@@ -8337,7 +8337,7 @@ impl ::core::default::Default for RAS_PROJECTION_INFO_0 {
 pub struct RAS_SECURITY_INFO {
     pub LastError: u32,
     pub BytesReceived: u32,
-    pub DeviceName: [u8; 129],
+    pub DeviceName: [i8; 129],
 }
 impl ::core::marker::Copy for RAS_SECURITY_INFO {}
 impl ::core::clone::Clone for RAS_SECURITY_INFO {
@@ -9152,8 +9152,8 @@ pub struct SECURITY_MESSAGE {
     pub dwMsgId: SECURITY_MESSAGE_MSG_ID,
     pub hPort: isize,
     pub dwError: u32,
-    pub UserName: [u8; 257],
-    pub Domain: [u8; 16],
+    pub UserName: [i8; 257],
+    pub Domain: [i8; 16],
 }
 impl ::core::marker::Copy for SECURITY_MESSAGE {}
 impl ::core::clone::Clone for SECURITY_MESSAGE {
diff --git a/crates/libs/windows/src/Windows/Win32/NetworkManagement/Snmp/mod.rs b/crates/libs/windows/src/Windows/Win32/NetworkManagement/Snmp/mod.rs
index a1be00e06a..1ee7927da9 100644
--- a/crates/libs/windows/src/Windows/Win32/NetworkManagement/Snmp/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/NetworkManagement/Snmp/mod.rs
@@ -1049,10 +1049,10 @@ impl ::core::default::Default for smiVALUE_0 {
 }
 #[repr(C)]
 pub struct smiVENDORINFO {
-    pub vendorName: [u8; 64],
-    pub vendorContact: [u8; 64],
-    pub vendorVersionId: [u8; 32],
-    pub vendorVersionDate: [u8; 32],
+    pub vendorName: [i8; 64],
+    pub vendorContact: [i8; 64],
+    pub vendorVersionId: [i8; 32],
+    pub vendorVersionDate: [i8; 32],
     pub vendorEnterprise: u32,
 }
 impl ::core::marker::Copy for smiVENDORINFO {}
diff --git a/crates/libs/windows/src/Windows/Win32/Networking/ActiveDirectory/mod.rs b/crates/libs/windows/src/Windows/Win32/Networking/ActiveDirectory/mod.rs
index d273713952..bce53e9671 100644
--- a/crates/libs/windows/src/Windows/Win32/Networking/ActiveDirectory/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Networking/ActiveDirectory/mod.rs
@@ -11351,8 +11351,8 @@ pub struct DSBITEMA {
     pub dwMask: u32,
     pub dwState: u32,
     pub dwStateMask: u32,
-    pub szDisplayName: [u8; 64],
-    pub szIconLocation: [u8; 260],
+    pub szDisplayName: [i8; 64],
+    pub szIconLocation: [i8; 260],
     pub iIconResID: i32,
 }
 impl ::core::marker::Copy for DSBITEMA {}
diff --git a/crates/libs/windows/src/Windows/Win32/Networking/Ldap/mod.rs b/crates/libs/windows/src/Windows/Win32/Networking/Ldap/mod.rs
index aa7a7a20b2..b58e10f109 100644
--- a/crates/libs/windows/src/Windows/Win32/Networking/Ldap/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Networking/Ldap/mod.rs
@@ -39,8 +39,8 @@ pub unsafe fn ber_bvfree(bv: *mut LDAP_BERVAL) {
     ber_bvfree(bv)
 }
 #[inline]
-pub unsafe fn ber_first_element(pberelement: *mut BerElement, plen: *mut u32, ppopaque: *mut *mut u8) -> u32 {
-    ::windows_targets::link!("wldap32.dll" "cdecl" fn ber_first_element(pberelement : *mut BerElement, plen : *mut u32, ppopaque : *mut *mut u8) -> u32);
+pub unsafe fn ber_first_element(pberelement: *mut BerElement, plen: *mut u32, ppopaque: *mut *mut i8) -> u32 {
+    ::windows_targets::link!("wldap32.dll" "cdecl" fn ber_first_element(pberelement : *mut BerElement, plen : *mut u32, ppopaque : *mut *mut i8) -> u32);
     ber_first_element(pberelement, plen, ppopaque)
 }
 #[inline]
diff --git a/crates/libs/windows/src/Windows/Win32/Networking/WinInet/mod.rs b/crates/libs/windows/src/Windows/Win32/Networking/WinInet/mod.rs
index 44e9029187..764aab55aa 100644
--- a/crates/libs/windows/src/Windows/Win32/Networking/WinInet/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Networking/WinInet/mod.rs
@@ -4178,12 +4178,12 @@ impl ::core::default::Default for GOPHER_ATTRIBUTE_TYPE_0 {
 }
 #[repr(C)]
 pub struct GOPHER_FIND_DATAA {
-    pub DisplayString: [u8; 129],
+    pub DisplayString: [i8; 129],
     pub GopherType: GOPHER_TYPE,
     pub SizeLow: u32,
     pub SizeHigh: u32,
     pub LastModificationTime: super::super::Foundation::FILETIME,
-    pub Locator: [u8; 654],
+    pub Locator: [i8; 654],
 }
 impl ::core::marker::Copy for GOPHER_FIND_DATAA {}
 impl ::core::clone::Clone for GOPHER_FIND_DATAA {
@@ -4987,7 +4987,7 @@ impl ::core::default::Default for INTERNET_CACHE_CONFIG_INFOA_0 {
 }
 #[repr(C)]
 pub struct INTERNET_CACHE_CONFIG_INFOA_0_0 {
-    pub CachePath: [u8; 260],
+    pub CachePath: [i8; 260],
     pub dwCacheSize: u32,
 }
 impl ::core::marker::Copy for INTERNET_CACHE_CONFIG_INFOA_0_0 {}
@@ -5093,7 +5093,7 @@ impl ::core::default::Default for INTERNET_CACHE_CONFIG_INFOW_0_0 {
 }
 #[repr(C)]
 pub struct INTERNET_CACHE_CONFIG_PATH_ENTRYA {
-    pub CachePath: [u8; 260],
+    pub CachePath: [i8; 260],
     pub dwCacheSize: u32,
 }
 impl ::core::marker::Copy for INTERNET_CACHE_CONFIG_PATH_ENTRYA {}
@@ -5329,7 +5329,7 @@ pub struct INTERNET_CACHE_GROUP_INFOA {
     pub dwDiskUsage: u32,
     pub dwDiskQuota: u32,
     pub dwOwnerStorage: [u32; 4],
-    pub szGroupName: [u8; 120],
+    pub szGroupName: [i8; 120],
 }
 impl ::core::marker::Copy for INTERNET_CACHE_GROUP_INFOA {}
 impl ::core::clone::Clone for INTERNET_CACHE_GROUP_INFOA {
diff --git a/crates/libs/windows/src/Windows/Win32/Networking/WinSock/mod.rs b/crates/libs/windows/src/Windows/Win32/Networking/WinSock/mod.rs
index b02e46e7ce..ded3eb1fbf 100644
--- a/crates/libs/windows/src/Windows/Win32/Networking/WinSock/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Networking/WinSock/mod.rs
@@ -8370,7 +8370,7 @@ impl ::core::default::Default for NLA_BLOB {
 }
 #[repr(C)]
 pub union NLA_BLOB_0 {
-    pub rawData: [u8; 1],
+    pub rawData: [i8; 1],
     pub interfaceData: NLA_BLOB_0_2,
     pub locationData: NLA_BLOB_0_3,
     pub connectivity: NLA_BLOB_0_1,
@@ -8486,7 +8486,7 @@ impl ::core::default::Default for NLA_BLOB_0_1 {
 pub struct NLA_BLOB_0_2 {
     pub dwType: u32,
     pub dwSpeed: u32,
-    pub adapterName: [u8; 1],
+    pub adapterName: [i8; 1],
 }
 impl ::core::marker::Copy for NLA_BLOB_0_2 {}
 impl ::core::clone::Clone for NLA_BLOB_0_2 {
@@ -8515,7 +8515,7 @@ impl ::core::default::Default for NLA_BLOB_0_2 {
 }
 #[repr(C)]
 pub struct NLA_BLOB_0_3 {
-    pub information: [u8; 1],
+    pub information: [i8; 1],
 }
 impl ::core::marker::Copy for NLA_BLOB_0_3 {}
 impl ::core::clone::Clone for NLA_BLOB_0_3 {
@@ -10350,7 +10350,7 @@ impl ::core::default::Default for SNAP_HEADER {
 #[repr(C)]
 pub struct SOCKADDR {
     pub sa_family: ADDRESS_FAMILY,
-    pub sa_data: [u8; 14],
+    pub sa_data: [i8; 14],
 }
 impl ::core::marker::Copy for SOCKADDR {}
 impl ::core::clone::Clone for SOCKADDR {
@@ -10445,7 +10445,7 @@ pub struct SOCKADDR_IN {
     pub sin_family: ADDRESS_FAMILY,
     pub sin_port: u16,
     pub sin_addr: IN_ADDR,
-    pub sin_zero: [u8; 8],
+    pub sin_zero: [i8; 8],
 }
 impl ::core::marker::Copy for SOCKADDR_IN {}
 impl ::core::clone::Clone for SOCKADDR_IN {
@@ -10577,8 +10577,8 @@ impl ::core::default::Default for SOCKADDR_INET {
 #[repr(C)]
 pub struct SOCKADDR_IPX {
     pub sa_family: i16,
-    pub sa_netnum: [u8; 4],
-    pub sa_nodenum: [u8; 6],
+    pub sa_netnum: [i8; 4],
+    pub sa_nodenum: [i8; 6],
     pub sa_socket: u16,
 }
 impl ::core::marker::Copy for SOCKADDR_IPX {}
@@ -10610,7 +10610,7 @@ impl ::core::default::Default for SOCKADDR_IPX {
 pub struct SOCKADDR_IRDA {
     pub irdaAddressFamily: u16,
     pub irdaDeviceID: [u8; 4],
-    pub irdaServiceName: [u8; 25],
+    pub irdaServiceName: [i8; 25],
 }
 impl ::core::marker::Copy for SOCKADDR_IRDA {}
 impl ::core::clone::Clone for SOCKADDR_IRDA {
@@ -10641,7 +10641,7 @@ impl ::core::default::Default for SOCKADDR_IRDA {
 pub struct SOCKADDR_NB {
     pub snb_family: i16,
     pub snb_type: u16,
-    pub snb_name: [u8; 16],
+    pub snb_name: [i8; 16],
 }
 impl ::core::marker::Copy for SOCKADDR_NB {}
 impl ::core::clone::Clone for SOCKADDR_NB {
@@ -10671,9 +10671,9 @@ impl ::core::default::Default for SOCKADDR_NB {
 #[repr(C)]
 pub struct SOCKADDR_STORAGE {
     pub ss_family: ADDRESS_FAMILY,
-    pub __ss_pad1: [u8; 6],
+    pub __ss_pad1: [i8; 6],
     pub __ss_align: i64,
-    pub __ss_pad2: [u8; 112],
+    pub __ss_pad2: [i8; 112],
 }
 impl ::core::marker::Copy for SOCKADDR_STORAGE {}
 impl ::core::clone::Clone for SOCKADDR_STORAGE {
@@ -10703,9 +10703,9 @@ impl ::core::default::Default for SOCKADDR_STORAGE {
 #[repr(C)]
 pub struct SOCKADDR_STORAGE_XP {
     pub ss_family: i16,
-    pub __ss_pad1: [u8; 6],
+    pub __ss_pad1: [i8; 6],
     pub __ss_align: i64,
-    pub __ss_pad2: [u8; 112],
+    pub __ss_pad2: [i8; 112],
 }
 impl ::core::marker::Copy for SOCKADDR_STORAGE_XP {}
 impl ::core::clone::Clone for SOCKADDR_STORAGE_XP {
@@ -10768,7 +10768,7 @@ impl ::core::default::Default for SOCKADDR_TP {
 #[repr(C)]
 pub struct SOCKADDR_UN {
     pub sun_family: ADDRESS_FAMILY,
-    pub sun_path: [u8; 108],
+    pub sun_path: [i8; 108],
 }
 impl ::core::marker::Copy for SOCKADDR_UN {}
 impl ::core::clone::Clone for SOCKADDR_UN {
@@ -11971,7 +11971,7 @@ impl ::core::default::Default for WCE_DEVICELIST {
 #[repr(C)]
 pub struct WCE_IRDA_DEVICE_INFO {
     pub irdaDeviceID: [u8; 4],
-    pub irdaDeviceName: [u8; 22],
+    pub irdaDeviceName: [i8; 22],
     pub Reserved: [u8; 2],
 }
 impl ::core::marker::Copy for WCE_IRDA_DEVICE_INFO {}
@@ -12032,8 +12032,8 @@ impl ::core::default::Default for WINDOWS_DEVICELIST {
 #[repr(C)]
 pub struct WINDOWS_IAS_QUERY {
     pub irdaDeviceID: [u8; 4],
-    pub irdaClassName: [u8; 64],
-    pub irdaAttribName: [u8; 256],
+    pub irdaClassName: [i8; 64],
+    pub irdaAttribName: [i8; 256],
     pub irdaAttribType: u32,
     pub irdaAttribute: WINDOWS_IAS_QUERY_0,
 }
@@ -12134,8 +12134,8 @@ impl ::core::default::Default for WINDOWS_IAS_QUERY_0_1 {
 }
 #[repr(C)]
 pub struct WINDOWS_IAS_SET {
-    pub irdaClassName: [u8; 64],
-    pub irdaAttribName: [u8; 256],
+    pub irdaClassName: [i8; 64],
+    pub irdaAttribName: [i8; 256],
     pub irdaAttribType: u32,
     pub irdaAttribute: WINDOWS_IAS_SET_0,
 }
@@ -12237,7 +12237,7 @@ impl ::core::default::Default for WINDOWS_IAS_SET_0_1 {
 #[repr(C)]
 pub struct WINDOWS_IRDA_DEVICE_INFO {
     pub irdaDeviceID: [u8; 4],
-    pub irdaDeviceName: [u8; 22],
+    pub irdaDeviceName: [i8; 22],
     pub irdaDeviceHints1: u8,
     pub irdaDeviceHints2: u8,
     pub irdaCharSet: u8,
@@ -12506,8 +12506,8 @@ pub struct WSADATA {
     pub iMaxSockets: u16,
     pub iMaxUdpDg: u16,
     pub lpVendorInfo: ::windows_core::PSTR,
-    pub szDescription: [u8; 257],
-    pub szSystemStatus: [u8; 129],
+    pub szDescription: [i8; 257],
+    pub szSystemStatus: [i8; 129],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for WSADATA {}
@@ -12546,8 +12546,8 @@ impl ::core::default::Default for WSADATA {
 pub struct WSADATA {
     pub wVersion: u16,
     pub wHighVersion: u16,
-    pub szDescription: [u8; 257],
-    pub szSystemStatus: [u8; 129],
+    pub szDescription: [i8; 257],
+    pub szSystemStatus: [i8; 129],
     pub iMaxSockets: u16,
     pub iMaxUdpDg: u16,
     pub lpVendorInfo: ::windows_core::PSTR,
@@ -13007,7 +13007,7 @@ pub struct WSAPROTOCOL_INFOA {
     pub iSecurityScheme: i32,
     pub dwMessageSize: u32,
     pub dwProviderReserved: u32,
-    pub szProtocol: [u8; 256],
+    pub szProtocol: [i8; 256],
 }
 impl ::core::marker::Copy for WSAPROTOCOL_INFOA {}
 impl ::core::clone::Clone for WSAPROTOCOL_INFOA {
diff --git a/crates/libs/windows/src/Windows/Win32/Networking/WindowsWebServices/mod.rs b/crates/libs/windows/src/Windows/Win32/Networking/WindowsWebServices/mod.rs
index 4425ece065..12823e6847 100644
--- a/crates/libs/windows/src/Windows/Win32/Networking/WindowsWebServices/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Networking/WindowsWebServices/mod.rs
@@ -6899,8 +6899,8 @@ impl ::core::default::Default for WS_INT64_DESCRIPTION {
 }
 #[repr(C)]
 pub struct WS_INT8_DESCRIPTION {
-    pub minValue: u8,
-    pub maxValue: u8,
+    pub minValue: i8,
+    pub maxValue: i8,
 }
 impl ::core::marker::Copy for WS_INT8_DESCRIPTION {}
 impl ::core::clone::Clone for WS_INT8_DESCRIPTION {
diff --git a/crates/libs/windows/src/Windows/Win32/Security/Authentication/Identity/mod.rs b/crates/libs/windows/src/Windows/Win32/Security/Authentication/Identity/mod.rs
index c280f1debf..cedd63bdd1 100644
--- a/crates/libs/windows/src/Windows/Win32/Security/Authentication/Identity/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Security/Authentication/Identity/mod.rs
@@ -4865,7 +4865,7 @@ impl ::core::default::Default for CENTRAL_ACCESS_POLICY_ENTRY {
 }
 #[repr(C)]
 pub struct CLEAR_BLOCK {
-    pub data: [u8; 8],
+    pub data: [i8; 8],
 }
 impl ::core::marker::Copy for CLEAR_BLOCK {}
 impl ::core::clone::Clone for CLEAR_BLOCK {
diff --git a/crates/libs/windows/src/Windows/Win32/Security/Cryptography/mod.rs b/crates/libs/windows/src/Windows/Win32/Security/Cryptography/mod.rs
index 5e6e3289e2..fed9d6aec6 100644
--- a/crates/libs/windows/src/Windows/Win32/Security/Cryptography/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Security/Cryptography/mod.rs
@@ -20970,7 +20970,7 @@ pub struct PROV_ENUMALGS {
     pub aiAlgid: ALG_ID,
     pub dwBitLen: u32,
     pub dwNameLen: u32,
-    pub szName: [u8; 20],
+    pub szName: [i8; 20],
 }
 impl ::core::marker::Copy for PROV_ENUMALGS {}
 impl ::core::clone::Clone for PROV_ENUMALGS {
@@ -21005,9 +21005,9 @@ pub struct PROV_ENUMALGS_EX {
     pub dwMaxLen: u32,
     pub dwProtocols: u32,
     pub dwNameLen: u32,
-    pub szName: [u8; 20],
+    pub szName: [i8; 20],
     pub dwLongNameLen: u32,
-    pub szLongName: [u8; 40],
+    pub szLongName: [i8; 40],
 }
 impl ::core::marker::Copy for PROV_ENUMALGS_EX {}
 impl ::core::clone::Clone for PROV_ENUMALGS_EX {
diff --git a/crates/libs/windows/src/Windows/Win32/Security/mod.rs b/crates/libs/windows/src/Windows/Win32/Security/mod.rs
index 502ff1f6a5..0ec9d3d6b3 100644
--- a/crates/libs/windows/src/Windows/Win32/Security/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Security/mod.rs
@@ -4656,7 +4656,7 @@ impl ::core::default::Default for TOKEN_PRIVILEGES {
 }
 #[repr(C)]
 pub struct TOKEN_SOURCE {
-    pub SourceName: [u8; 8],
+    pub SourceName: [i8; 8],
     pub SourceIdentifier: super::Foundation::LUID,
 }
 impl ::core::marker::Copy for TOKEN_SOURCE {}
diff --git a/crates/libs/windows/src/Windows/Win32/Storage/Cabinets/mod.rs b/crates/libs/windows/src/Windows/Win32/Storage/Cabinets/mod.rs
index 151c66145c..4610b50927 100644
--- a/crates/libs/windows/src/Windows/Win32/Storage/Cabinets/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Storage/Cabinets/mod.rs
@@ -196,9 +196,9 @@ pub struct CCAB {
     pub iDisk: i32,
     pub fFailOnIncompressible: i32,
     pub setID: u16,
-    pub szDisk: [u8; 256],
-    pub szCab: [u8; 256],
-    pub szCabPath: [u8; 256],
+    pub szDisk: [i8; 256],
+    pub szCab: [i8; 256],
+    pub szCabPath: [i8; 256],
 }
 impl ::core::marker::Copy for CCAB {}
 impl ::core::clone::Clone for CCAB {
@@ -486,7 +486,7 @@ impl ::core::default::Default for FDINOTIFICATION {
 #[repr(C)]
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 pub struct FDISPILLFILE {
-    pub ach: [u8; 2],
+    pub ach: [i8; 2],
     pub cbFile: i32,
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
@@ -510,7 +510,7 @@ impl ::core::default::Default for FDISPILLFILE {
 #[repr(C, packed(1))]
 #[cfg(target_arch = "x86")]
 pub struct FDISPILLFILE {
-    pub ach: [u8; 2],
+    pub ach: [i8; 2],
     pub cbFile: i32,
 }
 #[cfg(target_arch = "x86")]
diff --git a/crates/libs/windows/src/Windows/Win32/Storage/FileSystem/mod.rs b/crates/libs/windows/src/Windows/Win32/Storage/FileSystem/mod.rs
index 21c155a9f7..0992233fd4 100644
--- a/crates/libs/windows/src/Windows/Win32/Storage/FileSystem/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Storage/FileSystem/mod.rs
@@ -10349,9 +10349,9 @@ impl ::core::default::Default for NTMS_ASYNC_IO {
 pub struct NTMS_CHANGERINFORMATIONA {
     pub Number: u32,
     pub ChangerType: ::windows_core::GUID,
-    pub szSerialNumber: [u8; 32],
-    pub szRevision: [u8; 32],
-    pub szDeviceName: [u8; 64],
+    pub szSerialNumber: [i8; 32],
+    pub szRevision: [i8; 32],
+    pub szDeviceName: [i8; 64],
     pub ScsiPort: u16,
     pub ScsiBus: u16,
     pub ScsiTarget: u16,
@@ -10423,8 +10423,8 @@ impl ::core::default::Default for NTMS_CHANGERINFORMATIONW {
 }
 #[repr(C)]
 pub struct NTMS_CHANGERTYPEINFORMATIONA {
-    pub szVendor: [u8; 128],
-    pub szProduct: [u8; 128],
+    pub szVendor: [i8; 128],
+    pub szProduct: [i8; 128],
     pub DeviceType: u32,
 }
 impl ::core::marker::Copy for NTMS_CHANGERTYPEINFORMATIONA {}
@@ -10521,9 +10521,9 @@ pub struct NTMS_DRIVEINFORMATIONA {
     pub Number: u32,
     pub State: u32,
     pub DriveType: ::windows_core::GUID,
-    pub szDeviceName: [u8; 64],
-    pub szSerialNumber: [u8; 32],
-    pub szRevision: [u8; 32],
+    pub szDeviceName: [i8; 64],
+    pub szSerialNumber: [i8; 32],
+    pub szRevision: [i8; 32],
     pub ScsiPort: u16,
     pub ScsiBus: u16,
     pub ScsiTarget: u16,
@@ -10640,8 +10640,8 @@ impl ::core::default::Default for NTMS_DRIVEINFORMATIONW {
 }
 #[repr(C)]
 pub struct NTMS_DRIVETYPEINFORMATIONA {
-    pub szVendor: [u8; 128],
-    pub szProduct: [u8; 128],
+    pub szVendor: [i8; 128],
+    pub szProduct: [i8; 128],
     pub NumberOfHeads: u32,
     pub DeviceType: FILE_DEVICE_TYPE,
 }
@@ -10836,9 +10836,9 @@ pub struct NTMS_I1_LIBREQUESTINFORMATIONA {
     pub SlotId: ::windows_core::GUID,
     pub TimeQueued: super::super::Foundation::SYSTEMTIME,
     pub TimeCompleted: super::super::Foundation::SYSTEMTIME,
-    pub szApplication: [u8; 64],
-    pub szUser: [u8; 64],
-    pub szComputer: [u8; 64],
+    pub szApplication: [i8; 64],
+    pub szUser: [i8; 64],
+    pub szComputer: [i8; 64],
 }
 impl ::core::marker::Copy for NTMS_I1_LIBREQUESTINFORMATIONA {}
 impl ::core::clone::Clone for NTMS_I1_LIBREQUESTINFORMATIONA {
@@ -10943,8 +10943,8 @@ pub struct NTMS_I1_OBJECTINFORMATIONA {
     pub ObjectGuid: ::windows_core::GUID,
     pub Enabled: super::super::Foundation::BOOL,
     pub dwOperationalState: u32,
-    pub szName: [u8; 64],
-    pub szDescription: [u8; 127],
+    pub szName: [i8; 64],
+    pub szDescription: [i8; 127],
     pub Info: NTMS_I1_OBJECTINFORMATIONA_0,
 }
 impl ::core::marker::Copy for NTMS_I1_OBJECTINFORMATIONA {}
@@ -11057,14 +11057,14 @@ pub struct NTMS_I1_OPREQUESTINFORMATIONA {
     pub Request: u32,
     pub Submitted: super::super::Foundation::SYSTEMTIME,
     pub State: u32,
-    pub szMessage: [u8; 127],
+    pub szMessage: [i8; 127],
     pub Arg1Type: u32,
     pub Arg1: ::windows_core::GUID,
     pub Arg2Type: u32,
     pub Arg2: ::windows_core::GUID,
-    pub szApplication: [u8; 64],
-    pub szUser: [u8; 64],
-    pub szComputer: [u8; 64],
+    pub szApplication: [i8; 64],
+    pub szUser: [i8; 64],
+    pub szComputer: [i8; 64],
 }
 impl ::core::marker::Copy for NTMS_I1_OPREQUESTINFORMATIONA {}
 impl ::core::clone::Clone for NTMS_I1_OPREQUESTINFORMATIONA {
@@ -11138,8 +11138,8 @@ pub struct NTMS_I1_PARTITIONINFORMATIONA {
     pub Side: u16,
     pub dwOmidLabelIdLength: u32,
     pub OmidLabelId: [u8; 255],
-    pub szOmidLabelType: [u8; 64],
-    pub szOmidLabelInfo: [u8; 256],
+    pub szOmidLabelType: [i8; 64],
+    pub szOmidLabelInfo: [i8; 256],
     pub dwMountCount: u32,
     pub dwAllocateCount: u32,
 }
@@ -11214,9 +11214,9 @@ pub struct NTMS_I1_PMIDINFORMATIONA {
     pub LocationType: u32,
     pub MediaType: ::windows_core::GUID,
     pub HomeSlot: ::windows_core::GUID,
-    pub szBarCode: [u8; 64],
+    pub szBarCode: [i8; 64],
     pub BarCodeState: u32,
-    pub szSequenceNumber: [u8; 32],
+    pub szSequenceNumber: [i8; 32],
     pub MediaState: u32,
     pub dwNumberOfPartitions: u32,
 }
@@ -11482,9 +11482,9 @@ pub struct NTMS_LIBREQUESTINFORMATIONA {
     pub SlotId: ::windows_core::GUID,
     pub TimeQueued: super::super::Foundation::SYSTEMTIME,
     pub TimeCompleted: super::super::Foundation::SYSTEMTIME,
-    pub szApplication: [u8; 64],
-    pub szUser: [u8; 64],
-    pub szComputer: [u8; 64],
+    pub szApplication: [i8; 64],
+    pub szUser: [i8; 64],
+    pub szComputer: [i8; 64],
     pub dwErrorCode: u32,
     pub WorkItemId: ::windows_core::GUID,
     pub dwPriority: u32,
@@ -11770,8 +11770,8 @@ pub struct NTMS_OBJECTINFORMATIONA {
     pub ObjectGuid: ::windows_core::GUID,
     pub Enabled: super::super::Foundation::BOOL,
     pub dwOperationalState: u32,
-    pub szName: [u8; 64],
-    pub szDescription: [u8; 127],
+    pub szName: [i8; 64],
+    pub szDescription: [i8; 127],
     pub Info: NTMS_OBJECTINFORMATIONA_0,
 }
 impl ::core::marker::Copy for NTMS_OBJECTINFORMATIONA {}
@@ -11886,14 +11886,14 @@ pub struct NTMS_OPREQUESTINFORMATIONA {
     pub Request: u32,
     pub Submitted: super::super::Foundation::SYSTEMTIME,
     pub State: u32,
-    pub szMessage: [u8; 256],
+    pub szMessage: [i8; 256],
     pub Arg1Type: u32,
     pub Arg1: ::windows_core::GUID,
     pub Arg2Type: u32,
     pub Arg2: ::windows_core::GUID,
-    pub szApplication: [u8; 64],
-    pub szUser: [u8; 64],
-    pub szComputer: [u8; 64],
+    pub szApplication: [i8; 64],
+    pub szUser: [i8; 64],
+    pub szComputer: [i8; 64],
 }
 impl ::core::marker::Copy for NTMS_OPREQUESTINFORMATIONA {}
 impl ::core::clone::Clone for NTMS_OPREQUESTINFORMATIONA {
@@ -11967,8 +11967,8 @@ pub struct NTMS_PARTITIONINFORMATIONA {
     pub Side: u16,
     pub dwOmidLabelIdLength: u32,
     pub OmidLabelId: [u8; 255],
-    pub szOmidLabelType: [u8; 64],
-    pub szOmidLabelInfo: [u8; 256],
+    pub szOmidLabelType: [i8; 64],
+    pub szOmidLabelInfo: [i8; 256],
     pub dwMountCount: u32,
     pub dwAllocateCount: u32,
     pub Capacity: i64,
@@ -12069,9 +12069,9 @@ pub struct NTMS_PMIDINFORMATIONA {
     pub LocationType: u32,
     pub MediaType: ::windows_core::GUID,
     pub HomeSlot: ::windows_core::GUID,
-    pub szBarCode: [u8; 64],
+    pub szBarCode: [i8; 64],
     pub BarCodeState: u32,
-    pub szSequenceNumber: [u8; 32],
+    pub szSequenceNumber: [i8; 32],
     pub MediaState: u32,
     pub dwNumberOfPartitions: u32,
     pub dwMediaTypeCode: u32,
@@ -12213,7 +12213,7 @@ pub struct OFSTRUCT {
     pub nErrCode: u16,
     pub Reserved1: u16,
     pub Reserved2: u16,
-    pub szPathName: [u8; 128],
+    pub szPathName: [i8; 128],
 }
 impl ::core::marker::Copy for OFSTRUCT {}
 impl ::core::clone::Clone for OFSTRUCT {
@@ -14289,8 +14289,8 @@ pub struct WIN32_FIND_DATAA {
     pub nFileSizeLow: u32,
     pub dwReserved0: u32,
     pub dwReserved1: u32,
-    pub cFileName: [u8; 260],
-    pub cAlternateFileName: [u8; 14],
+    pub cFileName: [i8; 260],
+    pub cAlternateFileName: [i8; 14],
 }
 impl ::core::marker::Copy for WIN32_FIND_DATAA {}
 impl ::core::clone::Clone for WIN32_FIND_DATAA {
diff --git a/crates/libs/windows/src/Windows/Win32/Storage/IscsiDisc/mod.rs b/crates/libs/windows/src/Windows/Win32/Storage/IscsiDisc/mod.rs
index 6e8c66285d..2c29ed3b51 100644
--- a/crates/libs/windows/src/Windows/Win32/Storage/IscsiDisc/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Storage/IscsiDisc/mod.rs
@@ -1854,12 +1854,12 @@ impl ::core::default::Default for ISCSI_CONNECTION_INFO_EX {
 #[doc = "Required features: `\"Win32_System_Ioctl\"`"]
 #[cfg(feature = "Win32_System_Ioctl")]
 pub struct ISCSI_DEVICE_ON_SESSIONA {
-    pub InitiatorName: [u8; 256],
-    pub TargetName: [u8; 224],
+    pub InitiatorName: [i8; 256],
+    pub TargetName: [i8; 224],
     pub ScsiAddress: SCSI_ADDRESS,
     pub DeviceInterfaceType: ::windows_core::GUID,
-    pub DeviceInterfaceName: [u8; 260],
-    pub LegacyName: [u8; 260],
+    pub DeviceInterfaceName: [i8; 260],
+    pub LegacyName: [i8; 260],
     pub StorageDeviceNumber: super::super::System::Ioctl::STORAGE_DEVICE_NUMBER,
     pub DeviceInstance: u32,
 }
@@ -2124,9 +2124,9 @@ impl ::core::default::Default for ISCSI_SESSION_INFO_EX {
 }
 #[repr(C)]
 pub struct ISCSI_TARGET_MAPPINGA {
-    pub InitiatorName: [u8; 256],
-    pub TargetName: [u8; 224],
-    pub OSDeviceName: [u8; 260],
+    pub InitiatorName: [i8; 256],
+    pub TargetName: [i8; 224],
+    pub OSDeviceName: [i8; 260],
     pub SessionId: ISCSI_UNIQUE_SESSION_ID,
     pub OSBusNumber: u32,
     pub OSTargetNumber: u32,
@@ -2196,8 +2196,8 @@ impl ::core::default::Default for ISCSI_TARGET_MAPPINGW {
 }
 #[repr(C)]
 pub struct ISCSI_TARGET_PORTALA {
-    pub SymbolicName: [u8; 256],
-    pub Address: [u8; 256],
+    pub SymbolicName: [i8; 256],
+    pub Address: [i8; 256],
     pub Socket: u16,
 }
 impl ::core::marker::Copy for ISCSI_TARGET_PORTALA {}
@@ -2318,10 +2318,10 @@ impl ::core::default::Default for ISCSI_TARGET_PORTAL_GROUPW {
 }
 #[repr(C)]
 pub struct ISCSI_TARGET_PORTAL_INFOA {
-    pub InitiatorName: [u8; 256],
+    pub InitiatorName: [i8; 256],
     pub InitiatorPortNumber: u32,
-    pub SymbolicName: [u8; 256],
-    pub Address: [u8; 256],
+    pub SymbolicName: [i8; 256],
+    pub Address: [i8; 256],
     pub Socket: u16,
 }
 impl ::core::marker::Copy for ISCSI_TARGET_PORTAL_INFOA {}
@@ -2384,10 +2384,10 @@ impl ::core::default::Default for ISCSI_TARGET_PORTAL_INFOW {
 }
 #[repr(C)]
 pub struct ISCSI_TARGET_PORTAL_INFO_EXA {
-    pub InitiatorName: [u8; 256],
+    pub InitiatorName: [i8; 256],
     pub InitiatorPortNumber: u32,
-    pub SymbolicName: [u8; 256],
-    pub Address: [u8; 256],
+    pub SymbolicName: [i8; 256],
+    pub Address: [i8; 256],
     pub Socket: u16,
     pub SecurityFlags: u64,
     pub LoginOptions: ISCSI_LOGIN_OPTIONS,
@@ -3135,9 +3135,9 @@ impl ::core::default::Default for NV_SEP_CACHE_PARAMETER_0_0 {
 }
 #[repr(C)]
 pub struct PERSISTENT_ISCSI_LOGIN_INFOA {
-    pub TargetName: [u8; 224],
+    pub TargetName: [i8; 224],
     pub IsInformationalSession: super::super::Foundation::BOOLEAN,
-    pub InitiatorInstance: [u8; 256],
+    pub InitiatorInstance: [i8; 256],
     pub InitiatorPortNumber: u32,
     pub TargetPortal: ISCSI_TARGET_PORTALA,
     pub SecurityFlags: u64,
diff --git a/crates/libs/windows/src/Windows/Win32/Storage/Jet/mod.rs b/crates/libs/windows/src/Windows/Win32/Storage/Jet/mod.rs
index 43216abe48..50ad173661 100644
--- a/crates/libs/windows/src/Windows/Win32/Storage/Jet/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Storage/Jet/mod.rs
@@ -3268,12 +3268,12 @@ impl ::core::default::Default for JET_BKINFO_0 {
 }
 #[repr(C)]
 pub struct JET_BKLOGTIME {
-    pub bSeconds: u8,
-    pub bMinutes: u8,
-    pub bHours: u8,
-    pub bDay: u8,
-    pub bMonth: u8,
-    pub bYear: u8,
+    pub bSeconds: i8,
+    pub bMinutes: i8,
+    pub bHours: i8,
+    pub bDay: i8,
+    pub bMonth: i8,
+    pub bYear: i8,
     pub Anonymous1: JET_BKLOGTIME_0,
     pub Anonymous2: JET_BKLOGTIME_1,
 }
@@ -3293,7 +3293,7 @@ impl ::core::default::Default for JET_BKLOGTIME {
 }
 #[repr(C)]
 pub union JET_BKLOGTIME_0 {
-    pub bFiller1: u8,
+    pub bFiller1: i8,
     pub Anonymous: JET_BKLOGTIME_0_0,
 }
 impl ::core::marker::Copy for JET_BKLOGTIME_0 {}
@@ -3341,7 +3341,7 @@ impl ::core::default::Default for JET_BKLOGTIME_0_0 {
 }
 #[repr(C)]
 pub union JET_BKLOGTIME_1 {
-    pub bFiller2: u8,
+    pub bFiller2: i8,
     pub Anonymous: JET_BKLOGTIME_1_0,
 }
 impl ::core::marker::Copy for JET_BKLOGTIME_1 {}
@@ -3398,8 +3398,8 @@ pub struct JET_COLUMNBASE_A {
     pub wFiller: u16,
     pub cbMax: u32,
     pub grbit: u32,
-    pub szBaseTableName: [u8; 256],
-    pub szBaseColumnName: [u8; 256],
+    pub szBaseTableName: [i8; 256],
+    pub szBaseColumnName: [i8; 256],
 }
 impl ::core::marker::Copy for JET_COLUMNBASE_A {}
 impl ::core::clone::Clone for JET_COLUMNBASE_A {
@@ -5135,7 +5135,7 @@ pub struct JET_LOGINFO_A {
     pub cbSize: u32,
     pub ulGenLow: u32,
     pub ulGenHigh: u32,
-    pub szBaseName: [u8; 4],
+    pub szBaseName: [i8; 4],
 }
 impl ::core::marker::Copy for JET_LOGINFO_A {}
 impl ::core::clone::Clone for JET_LOGINFO_A {
@@ -5196,12 +5196,12 @@ impl ::core::default::Default for JET_LOGINFO_W {
 }
 #[repr(C)]
 pub struct JET_LOGTIME {
-    pub bSeconds: u8,
-    pub bMinutes: u8,
-    pub bHours: u8,
-    pub bDay: u8,
-    pub bMonth: u8,
-    pub bYear: u8,
+    pub bSeconds: i8,
+    pub bMinutes: i8,
+    pub bHours: i8,
+    pub bDay: i8,
+    pub bMonth: i8,
+    pub bYear: i8,
     pub Anonymous1: JET_LOGTIME_0,
     pub Anonymous2: JET_LOGTIME_1,
 }
@@ -5221,7 +5221,7 @@ impl ::core::default::Default for JET_LOGTIME {
 }
 #[repr(C)]
 pub union JET_LOGTIME_0 {
-    pub bFiller1: u8,
+    pub bFiller1: i8,
     pub Anonymous: JET_LOGTIME_0_0,
 }
 impl ::core::marker::Copy for JET_LOGTIME_0 {}
@@ -5269,7 +5269,7 @@ impl ::core::default::Default for JET_LOGTIME_0_0 {
 }
 #[repr(C)]
 pub union JET_LOGTIME_1 {
-    pub bFiller2: u8,
+    pub bFiller2: i8,
     pub Anonymous: JET_LOGTIME_1_0,
 }
 impl ::core::marker::Copy for JET_LOGTIME_1 {}
@@ -6210,7 +6210,7 @@ impl ::core::default::Default for JET_SETSYSPARAM_W {
 pub struct JET_SIGNATURE {
     pub ulRandom: u32,
     pub logtimeCreate: JET_LOGTIME,
-    pub szComputerName: [u8; 16],
+    pub szComputerName: [i8; 16],
 }
 impl ::core::marker::Copy for JET_SIGNATURE {}
 impl ::core::clone::Clone for JET_SIGNATURE {
diff --git a/crates/libs/windows/src/Windows/Win32/Storage/Nvme/mod.rs b/crates/libs/windows/src/Windows/Win32/Storage/Nvme/mod.rs
index 2fd4b0aef0..b089250430 100644
--- a/crates/libs/windows/src/Windows/Win32/Storage/Nvme/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/Storage/Nvme/mod.rs
@@ -10618,10 +10618,10 @@ impl ::core::default::Default for NVME_SANITIZE_STATUS_LOG {
 }
 #[repr(C)]
 pub struct NVME_SCSI_NAME_STRING {
-    pub PCIVendorID: [u8; 4],
-    pub ModelNumber: [u8; 40],
-    pub NamespaceID: [u8; 4],
-    pub SerialNumber: [u8; 20],
+    pub PCIVendorID: [i8; 4],
+    pub ModelNumber: [i8; 40],
+    pub NamespaceID: [i8; 4],
+    pub SerialNumber: [i8; 20],
 }
 impl ::core::marker::Copy for NVME_SCSI_NAME_STRING {}
 impl ::core::clone::Clone for NVME_SCSI_NAME_STRING {
diff --git a/crates/libs/windows/src/Windows/Win32/System/Com/StructuredStorage/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Com/StructuredStorage/mod.rs
index 7aa1052a8e..58a93db86d 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Com/StructuredStorage/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Com/StructuredStorage/mod.rs
@@ -2752,7 +2752,7 @@ impl ::core::default::Default for PROPVARIANT_0_0 {
 #[doc = "Required features: `\"Win32_System_Variant\"`"]
 #[cfg(feature = "Win32_System_Variant")]
 pub union PROPVARIANT_0_0_0 {
-    pub cVal: u8,
+    pub cVal: i8,
     pub bVal: u8,
     pub iVal: i16,
     pub uiVal: u16,
diff --git a/crates/libs/windows/src/Windows/Win32/System/Console/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Console/mod.rs
index db40181021..c901f226ad 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Console/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Console/mod.rs
@@ -79,11 +79,11 @@ where
     FillConsoleOutputAttribute(hconsoleoutput.into_param().abi(), wattribute, nlength, ::core::mem::transmute(dwwritecoord), lpnumberofattrswritten).ok()
 }
 #[inline]
-pub unsafe fn FillConsoleOutputCharacterA<P0>(hconsoleoutput: P0, ccharacter: u8, nlength: u32, dwwritecoord: COORD, lpnumberofcharswritten: *mut u32) -> ::windows_core::Result<()>
+pub unsafe fn FillConsoleOutputCharacterA<P0>(hconsoleoutput: P0, ccharacter: i8, nlength: u32, dwwritecoord: COORD, lpnumberofcharswritten: *mut u32) -> ::windows_core::Result<()>
 where
     P0: ::windows_core::IntoParam<super::super::Foundation::HANDLE>,
 {
-    ::windows_targets::link!("kernel32.dll" "system" fn FillConsoleOutputCharacterA(hconsoleoutput : super::super::Foundation:: HANDLE, ccharacter : u8, nlength : u32, dwwritecoord : COORD, lpnumberofcharswritten : *mut u32) -> super::super::Foundation:: BOOL);
+    ::windows_targets::link!("kernel32.dll" "system" fn FillConsoleOutputCharacterA(hconsoleoutput : super::super::Foundation:: HANDLE, ccharacter : i8, nlength : u32, dwwritecoord : COORD, lpnumberofcharswritten : *mut u32) -> super::super::Foundation:: BOOL);
     FillConsoleOutputCharacterA(hconsoleoutput.into_param().abi(), ccharacter, nlength, ::core::mem::transmute(dwwritecoord), lpnumberofcharswritten).ok()
 }
 #[inline]
@@ -895,7 +895,7 @@ impl ::core::default::Default for CHAR_INFO {
 #[repr(C)]
 pub union CHAR_INFO_0 {
     pub UnicodeChar: u16,
-    pub AsciiChar: u8,
+    pub AsciiChar: i8,
 }
 impl ::core::marker::Copy for CHAR_INFO_0 {}
 impl ::core::clone::Clone for CHAR_INFO_0 {
@@ -1323,7 +1323,7 @@ impl ::core::default::Default for KEY_EVENT_RECORD {
 #[repr(C)]
 pub union KEY_EVENT_RECORD_0 {
     pub UnicodeChar: u16,
-    pub AsciiChar: u8,
+    pub AsciiChar: i8,
 }
 impl ::core::marker::Copy for KEY_EVENT_RECORD_0 {}
 impl ::core::clone::Clone for KEY_EVENT_RECORD_0 {
diff --git a/crates/libs/windows/src/Windows/Win32/System/CorrelationVector/mod.rs b/crates/libs/windows/src/Windows/Win32/System/CorrelationVector/mod.rs
index ead252a6ce..1d87df2be7 100644
--- a/crates/libs/windows/src/Windows/Win32/System/CorrelationVector/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/CorrelationVector/mod.rs
@@ -25,8 +25,8 @@ pub const RTL_CORRELATION_VECTOR_V2_LENGTH: u32 = 128u32;
 pub const RTL_CORRELATION_VECTOR_V2_PREFIX_LENGTH: u32 = 22u32;
 #[repr(C)]
 pub struct CORRELATION_VECTOR {
-    pub Version: u8,
-    pub Vector: [u8; 129],
+    pub Version: i8,
+    pub Vector: [i8; 129],
 }
 impl ::core::marker::Copy for CORRELATION_VECTOR {}
 impl ::core::clone::Clone for CORRELATION_VECTOR {
diff --git a/crates/libs/windows/src/Windows/Win32/System/DataExchange/mod.rs b/crates/libs/windows/src/Windows/Win32/System/DataExchange/mod.rs
index 0d642fffe3..c2b99032ce 100644
--- a/crates/libs/windows/src/Windows/Win32/System/DataExchange/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/DataExchange/mod.rs
@@ -1501,7 +1501,7 @@ pub struct MONHSZSTRUCTA {
     pub dwTime: u32,
     pub hsz: HSZ,
     pub hTask: super::super::Foundation::HANDLE,
-    pub str: [u8; 1],
+    pub str: [i8; 1],
 }
 impl ::core::marker::Copy for MONHSZSTRUCTA {}
 impl ::core::clone::Clone for MONHSZSTRUCTA {
diff --git a/crates/libs/windows/src/Windows/Win32/System/Diagnostics/Debug/Extensions/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Diagnostics/Debug/Extensions/mod.rs
index bbc583d961..eab9137cca 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Diagnostics/Debug/Extensions/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Diagnostics/Debug/Extensions/mod.rs
@@ -20846,8 +20846,8 @@ pub struct DBG_THREAD_ATTRIBUTES {
     pub BlockedOnTID: u64,
     pub CritSecAddress: u64,
     pub Timeout_msec: u32,
-    pub StringData: [u8; 100],
-    pub SymName: [u8; 100],
+    pub StringData: [i8; 100],
+    pub SymName: [i8; 100],
 }
 impl ::core::marker::Copy for DBG_THREAD_ATTRIBUTES {}
 impl ::core::clone::Clone for DBG_THREAD_ATTRIBUTES {
@@ -20886,11 +20886,11 @@ pub struct DEBUG_ANALYSIS_PROCESSOR_INFO {
     pub CurrentVoltage: u32,
     pub MaxClockSpeed: u32,
     pub ProcessorType: u32,
-    pub DeviceID: [u8; 32],
-    pub Manufacturer: [u8; 64],
-    pub Name: [u8; 64],
-    pub Version: [u8; 64],
-    pub Description: [u8; 64],
+    pub DeviceID: [i8; 32],
+    pub Manufacturer: [i8; 64],
+    pub Name: [i8; 64],
+    pub Version: [i8; 64],
+    pub Description: [i8; 64],
 }
 impl ::core::marker::Copy for DEBUG_ANALYSIS_PROCESSOR_INFO {}
 impl ::core::clone::Clone for DEBUG_ANALYSIS_PROCESSOR_INFO {
@@ -21153,8 +21153,8 @@ pub struct DEBUG_DECODE_ERROR {
     pub SizeOfStruct: u32,
     pub Code: u32,
     pub TreatAsStatus: super::super::super::super::Foundation::BOOL,
-    pub Source: [u8; 64],
-    pub Message: [u8; 260],
+    pub Source: [i8; 64],
+    pub Message: [i8; 260],
 }
 impl ::core::marker::Copy for DEBUG_DECODE_ERROR {}
 impl ::core::clone::Clone for DEBUG_DECODE_ERROR {
@@ -21921,9 +21921,9 @@ impl ::core::default::Default for DEBUG_PNP_TRIAGE_INFO {
 pub struct DEBUG_POOLTAG_DESCRIPTION {
     pub SizeOfStruct: u32,
     pub PoolTag: u32,
-    pub Description: [u8; 260],
-    pub Binary: [u8; 32],
-    pub Owner: [u8; 32],
+    pub Description: [i8; 260],
+    pub Binary: [i8; 32],
+    pub Owner: [i8; 32],
 }
 impl ::core::marker::Copy for DEBUG_POOLTAG_DESCRIPTION {}
 impl ::core::clone::Clone for DEBUG_POOLTAG_DESCRIPTION {
@@ -21961,7 +21961,7 @@ pub struct DEBUG_POOL_DATA {
     pub ProcessBilled: u64,
     pub Anonymous: DEBUG_POOL_DATA_0,
     pub Reserved2: [u64; 4],
-    pub PoolTagDescription: [u8; 64],
+    pub PoolTagDescription: [i8; 64],
 }
 impl ::core::marker::Copy for DEBUG_POOL_DATA {}
 impl ::core::clone::Clone for DEBUG_POOL_DATA {
@@ -22083,7 +22083,7 @@ pub struct DEBUG_PROCESSOR_IDENTIFICATION_AMD64 {
     pub Family: u32,
     pub Model: u32,
     pub Stepping: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_AMD64 {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_AMD64 {
@@ -22114,7 +22114,7 @@ impl ::core::default::Default for DEBUG_PROCESSOR_IDENTIFICATION_AMD64 {
 pub struct DEBUG_PROCESSOR_IDENTIFICATION_ARM {
     pub Model: u32,
     pub Revision: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_ARM {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_ARM {
@@ -22145,7 +22145,7 @@ impl ::core::default::Default for DEBUG_PROCESSOR_IDENTIFICATION_ARM {
 pub struct DEBUG_PROCESSOR_IDENTIFICATION_ARM64 {
     pub Model: u32,
     pub Revision: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_ARM64 {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_ARM64 {
@@ -22178,7 +22178,7 @@ pub struct DEBUG_PROCESSOR_IDENTIFICATION_IA64 {
     pub Revision: u32,
     pub Family: u32,
     pub ArchRev: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_IA64 {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_IA64 {
@@ -22210,7 +22210,7 @@ pub struct DEBUG_PROCESSOR_IDENTIFICATION_X86 {
     pub Family: u32,
     pub Model: u32,
     pub Stepping: u32,
-    pub VendorString: [u8; 16],
+    pub VendorString: [i8; 16],
 }
 impl ::core::marker::Copy for DEBUG_PROCESSOR_IDENTIFICATION_X86 {}
 impl ::core::clone::Clone for DEBUG_PROCESSOR_IDENTIFICATION_X86 {
@@ -22317,17 +22317,17 @@ pub struct DEBUG_SMBIOS_INFO {
     pub BiosMinorRelease: u8,
     pub FirmwareMajorRelease: u8,
     pub FirmwareMinorRelease: u8,
-    pub BaseBoardManufacturer: [u8; 64],
-    pub BaseBoardProduct: [u8; 64],
-    pub BaseBoardVersion: [u8; 64],
-    pub BiosReleaseDate: [u8; 64],
-    pub BiosVendor: [u8; 64],
-    pub BiosVersion: [u8; 64],
-    pub SystemFamily: [u8; 64],
-    pub SystemManufacturer: [u8; 64],
-    pub SystemProductName: [u8; 64],
-    pub SystemSKU: [u8; 64],
-    pub SystemVersion: [u8; 64],
+    pub BaseBoardManufacturer: [i8; 64],
+    pub BaseBoardProduct: [i8; 64],
+    pub BaseBoardVersion: [i8; 64],
+    pub BiosReleaseDate: [i8; 64],
+    pub BiosVendor: [i8; 64],
+    pub BiosVersion: [i8; 64],
+    pub SystemFamily: [i8; 64],
+    pub SystemManufacturer: [i8; 64],
+    pub SystemProductName: [i8; 64],
+    pub SystemSKU: [i8; 64],
+    pub SystemVersion: [i8; 64],
 }
 impl ::core::marker::Copy for DEBUG_SMBIOS_INFO {}
 impl ::core::clone::Clone for DEBUG_SMBIOS_INFO {
@@ -24708,7 +24708,7 @@ pub struct KDEXT_FILELOCK_OWNER {
     pub OwnerThread: u64,
     pub WaitIrp: u64,
     pub DeviceObject: u64,
-    pub BlockingDirver: [u8; 32],
+    pub BlockingDirver: [i8; 32],
 }
 impl ::core::marker::Copy for KDEXT_FILELOCK_OWNER {}
 impl ::core::clone::Clone for KDEXT_FILELOCK_OWNER {
@@ -24878,11 +24878,11 @@ pub struct OS_INFO {
     pub ServicePackBuild: u32,
     pub Architecture: u32,
     pub Lcid: u32,
-    pub Name: [u8; 64],
-    pub FullName: [u8; 256],
-    pub Language: [u8; 30],
-    pub BuildVersion: [u8; 64],
-    pub ServicePackString: [u8; 64],
+    pub Name: [i8; 64],
+    pub FullName: [i8; 256],
+    pub Language: [i8; 30],
+    pub BuildVersion: [i8; 64],
+    pub ServicePackString: [i8; 64],
 }
 impl ::core::marker::Copy for OS_INFO {}
 impl ::core::clone::Clone for OS_INFO {
@@ -24964,9 +24964,9 @@ pub struct OS_INFO_v1 {
     pub Suite: u32,
     pub s: OS_INFO_v1_1,
     pub SrvPackNumber: u32,
-    pub Language: [u8; 30],
-    pub OsString: [u8; 64],
-    pub ServicePackString: [u8; 64],
+    pub Language: [i8; 30],
+    pub OsString: [i8; 64],
+    pub ServicePackString: [i8; 64],
 }
 impl ::core::marker::Copy for OS_INFO_v1 {}
 impl ::core::clone::Clone for OS_INFO_v1 {
@@ -25732,7 +25732,7 @@ pub struct TARGET_DEBUG_INFO {
     pub CrashTime: u64,
     pub OsInfo: OS_INFO,
     pub Cpu: CPU_INFO,
-    pub DumpFile: [u8; 260],
+    pub DumpFile: [i8; 260],
 }
 impl ::core::marker::Copy for TARGET_DEBUG_INFO {}
 impl ::core::clone::Clone for TARGET_DEBUG_INFO {
@@ -25760,9 +25760,9 @@ pub struct TARGET_DEBUG_INFO_v1 {
     pub Mode: u64,
     pub OsInfo: OS_INFO_v1,
     pub Cpu: CPU_INFO_v1,
-    pub DumpFile: [u8; 260],
+    pub DumpFile: [i8; 260],
     pub FailureData: *mut ::core::ffi::c_void,
-    pub StackTr: [u8; 4096],
+    pub StackTr: [i8; 4096],
 }
 impl ::core::marker::Copy for TARGET_DEBUG_INFO_v1 {}
 impl ::core::clone::Clone for TARGET_DEBUG_INFO_v1 {
@@ -25788,7 +25788,7 @@ pub struct TARGET_DEBUG_INFO_v2 {
     pub CrashTime: u64,
     pub OsInfo: OS_INFO,
     pub Cpu: CPU_INFO_v2,
-    pub DumpFile: [u8; 260],
+    pub DumpFile: [i8; 260],
 }
 impl ::core::marker::Copy for TARGET_DEBUG_INFO_v2 {}
 impl ::core::clone::Clone for TARGET_DEBUG_INFO_v2 {
@@ -26219,14 +26219,14 @@ impl ::core::default::Default for WINDBG_OLD_EXTENSION_APIS {
 }
 #[repr(C)]
 pub struct XML_DRIVER_NODE_INFO {
-    pub FileName: [u8; 64],
+    pub FileName: [i8; 64],
     pub FileSize: u64,
     pub CreationDate: u64,
-    pub Version: [u8; 64],
-    pub Manufacturer: [u8; 260],
-    pub ProductName: [u8; 260],
-    pub Group: [u8; 260],
-    pub Altitude: [u8; 260],
+    pub Version: [i8; 64],
+    pub Manufacturer: [i8; 260],
+    pub ProductName: [i8; 260],
+    pub Group: [i8; 260],
+    pub Altitude: [i8; 260],
 }
 impl ::core::marker::Copy for XML_DRIVER_NODE_INFO {}
 impl ::core::clone::Clone for XML_DRIVER_NODE_INFO {
diff --git a/crates/libs/windows/src/Windows/Win32/System/Diagnostics/Debug/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Diagnostics/Debug/mod.rs
index 6ce0c8156b..5d9388b7de 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Diagnostics/Debug/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Diagnostics/Debug/mod.rs
@@ -6892,7 +6892,7 @@ pub struct DUMP_HEADER32 {
     pub BugCheckParameter2: u32,
     pub BugCheckParameter3: u32,
     pub BugCheckParameter4: u32,
-    pub VersionUser: [u8; 32],
+    pub VersionUser: [i8; 32],
     pub PaeEnabled: u8,
     pub KdSecondaryVersion: u8,
     pub Spare3: [u8; 2],
@@ -6900,7 +6900,7 @@ pub struct DUMP_HEADER32 {
     pub Anonymous: DUMP_HEADER32_0,
     pub ContextRecord: [u8; 1200],
     pub Exception: EXCEPTION_RECORD32,
-    pub Comment: [u8; 128],
+    pub Comment: [i8; 128],
     pub Attributes: DUMP_FILE_ATTRIBUTES,
     pub BootId: u32,
     pub _reserved0: [u8; 1760],
@@ -6966,7 +6966,7 @@ pub struct DUMP_HEADER64 {
     pub BugCheckParameter2: u64,
     pub BugCheckParameter3: u64,
     pub BugCheckParameter4: u64,
-    pub VersionUser: [u8; 32],
+    pub VersionUser: [i8; 32],
     pub KdDebuggerDataBlock: u64,
     pub Anonymous: DUMP_HEADER64_0,
     pub ContextRecord: [u8; 3000],
@@ -6974,7 +6974,7 @@ pub struct DUMP_HEADER64 {
     pub DumpType: u32,
     pub RequiredDumpSpace: i64,
     pub SystemTime: i64,
-    pub Comment: [u8; 128],
+    pub Comment: [i8; 128],
     pub SystemUpTime: i64,
     pub MiniDumpFields: u32,
     pub SecondaryDataState: u32,
@@ -7454,7 +7454,7 @@ pub struct IMAGEHLP_DEFERRED_SYMBOL_LOAD {
     pub BaseOfImage: u32,
     pub CheckSum: u32,
     pub TimeDateStamp: u32,
-    pub FileName: [u8; 260],
+    pub FileName: [i8; 260],
     pub Reparse: super::super::super::Foundation::BOOLEAN,
     pub hFile: super::super::super::Foundation::HANDLE,
 }
@@ -7496,7 +7496,7 @@ pub struct IMAGEHLP_DEFERRED_SYMBOL_LOAD64 {
     pub BaseOfImage: u64,
     pub CheckSum: u32,
     pub TimeDateStamp: u32,
-    pub FileName: [u8; 260],
+    pub FileName: [i8; 260],
     pub Reparse: super::super::super::Foundation::BOOLEAN,
     pub hFile: super::super::super::Foundation::HANDLE,
     pub Flags: u32,
@@ -7888,9 +7888,9 @@ pub struct IMAGEHLP_MODULE {
     pub CheckSum: u32,
     pub NumSyms: u32,
     pub SymType: SYM_TYPE,
-    pub ModuleName: [u8; 32],
-    pub ImageName: [u8; 256],
-    pub LoadedImageName: [u8; 256],
+    pub ModuleName: [i8; 32],
+    pub ImageName: [i8; 256],
+    pub LoadedImageName: [i8; 256],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for IMAGEHLP_MODULE {}
@@ -7933,12 +7933,12 @@ pub struct IMAGEHLP_MODULE64 {
     pub CheckSum: u32,
     pub NumSyms: u32,
     pub SymType: SYM_TYPE,
-    pub ModuleName: [u8; 32],
-    pub ImageName: [u8; 256],
-    pub LoadedImageName: [u8; 256],
-    pub LoadedPdbName: [u8; 256],
+    pub ModuleName: [i8; 32],
+    pub ImageName: [i8; 256],
+    pub LoadedImageName: [i8; 256],
+    pub LoadedPdbName: [i8; 256],
     pub CVSig: u32,
-    pub CVData: [u8; 780],
+    pub CVData: [i8; 780],
     pub PdbSig: u32,
     pub PdbSig70: ::windows_core::GUID,
     pub PdbAge: u32,
@@ -8282,7 +8282,7 @@ pub struct IMAGEHLP_SYMBOL {
     pub Size: u32,
     pub Flags: u32,
     pub MaxNameLength: u32,
-    pub Name: [u8; 1],
+    pub Name: [i8; 1],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL {}
@@ -8323,7 +8323,7 @@ pub struct IMAGEHLP_SYMBOL64 {
     pub Size: u32,
     pub Flags: u32,
     pub MaxNameLength: u32,
-    pub Name: [u8; 1],
+    pub Name: [i8; 1],
 }
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL64 {}
 impl ::core::clone::Clone for IMAGEHLP_SYMBOL64 {
@@ -8353,7 +8353,7 @@ impl ::core::default::Default for IMAGEHLP_SYMBOL64 {
 #[repr(C)]
 pub struct IMAGEHLP_SYMBOL64_PACKAGE {
     pub sym: IMAGEHLP_SYMBOL64,
-    pub name: [u8; 2001],
+    pub name: [i8; 2001],
 }
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL64_PACKAGE {}
 impl ::core::clone::Clone for IMAGEHLP_SYMBOL64_PACKAGE {
@@ -8528,7 +8528,7 @@ impl ::core::default::Default for IMAGEHLP_SYMBOLW_PACKAGE {
 #[cfg(target_arch = "x86")]
 pub struct IMAGEHLP_SYMBOL_PACKAGE {
     pub sym: IMAGEHLP_SYMBOL,
-    pub name: [u8; 2001],
+    pub name: [i8; 2001],
 }
 #[cfg(target_arch = "x86")]
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL_PACKAGE {}
@@ -8566,7 +8566,7 @@ impl ::core::default::Default for IMAGEHLP_SYMBOL_PACKAGE {
 pub struct IMAGEHLP_SYMBOL_SRC {
     pub sizeofstruct: u32,
     pub r#type: u32,
-    pub file: [u8; 260],
+    pub file: [i8; 260],
 }
 impl ::core::marker::Copy for IMAGEHLP_SYMBOL_SRC {}
 impl ::core::clone::Clone for IMAGEHLP_SYMBOL_SRC {
@@ -13132,8 +13132,8 @@ pub struct SRCCODEINFO {
     pub SizeOfStruct: u32,
     pub Key: *mut ::core::ffi::c_void,
     pub ModBase: u64,
-    pub Obj: [u8; 261],
-    pub FileName: [u8; 261],
+    pub Obj: [i8; 261],
+    pub FileName: [i8; 261],
     pub LineNumber: u32,
     pub Address: u64,
 }
@@ -13354,7 +13354,7 @@ pub struct SYMBOL_INFO {
     pub Tag: u32,
     pub NameLen: u32,
     pub MaxNameLen: u32,
-    pub Name: [u8; 1],
+    pub Name: [i8; 1],
 }
 impl ::core::marker::Copy for SYMBOL_INFO {}
 impl ::core::clone::Clone for SYMBOL_INFO {
@@ -13459,7 +13459,7 @@ impl ::core::default::Default for SYMBOL_INFOW {
 #[repr(C)]
 pub struct SYMBOL_INFO_PACKAGE {
     pub si: SYMBOL_INFO,
-    pub name: [u8; 2001],
+    pub name: [i8; 2001],
 }
 impl ::core::marker::Copy for SYMBOL_INFO_PACKAGE {}
 impl ::core::clone::Clone for SYMBOL_INFO_PACKAGE {
@@ -13550,12 +13550,12 @@ impl ::core::default::Default for SYMSRV_EXTENDED_OUTPUT_DATA {
 #[repr(C)]
 pub struct SYMSRV_INDEX_INFO {
     pub sizeofstruct: u32,
-    pub file: [u8; 261],
+    pub file: [i8; 261],
     pub stripped: super::super::super::Foundation::BOOL,
     pub timestamp: u32,
     pub size: u32,
-    pub dbgfile: [u8; 261],
-    pub pdbfile: [u8; 261],
+    pub dbgfile: [i8; 261],
+    pub pdbfile: [i8; 261],
     pub guid: ::windows_core::GUID,
     pub sig: u32,
     pub age: u32,
diff --git a/crates/libs/windows/src/Windows/Win32/System/Diagnostics/ToolHelp/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Diagnostics/ToolHelp/mod.rs
index 03a6d0e5b7..35905283e9 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Diagnostics/ToolHelp/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Diagnostics/ToolHelp/mod.rs
@@ -262,8 +262,8 @@ pub struct MODULEENTRY32 {
     pub modBaseAddr: *mut u8,
     pub modBaseSize: u32,
     pub hModule: super::super::super::Foundation::HMODULE,
-    pub szModule: [u8; 256],
-    pub szExePath: [u8; 260],
+    pub szModule: [i8; 256],
+    pub szExePath: [i8; 260],
 }
 impl ::core::marker::Copy for MODULEENTRY32 {}
 impl ::core::clone::Clone for MODULEENTRY32 {
@@ -339,7 +339,7 @@ pub struct PROCESSENTRY32 {
     pub th32ParentProcessID: u32,
     pub pcPriClassBase: i32,
     pub dwFlags: u32,
-    pub szExeFile: [u8; 260],
+    pub szExeFile: [i8; 260],
 }
 impl ::core::marker::Copy for PROCESSENTRY32 {}
 impl ::core::clone::Clone for PROCESSENTRY32 {
diff --git a/crates/libs/windows/src/Windows/Win32/System/DistributedTransactionCoordinator/mod.rs b/crates/libs/windows/src/Windows/Win32/System/DistributedTransactionCoordinator/mod.rs
index a68ced3390..c598e1af8c 100644
--- a/crates/libs/windows/src/Windows/Win32/System/DistributedTransactionCoordinator/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/DistributedTransactionCoordinator/mod.rs
@@ -2455,7 +2455,7 @@ pub struct XID {
     pub formatID: i32,
     pub gtrid_length: i32,
     pub bqual_length: i32,
-    pub data: [u8; 128],
+    pub data: [i8; 128],
 }
 impl ::core::marker::Copy for XID {}
 impl ::core::clone::Clone for XID {
@@ -2484,7 +2484,7 @@ impl ::core::default::Default for XID {
 }
 #[repr(C)]
 pub struct xa_switch_t {
-    pub name: [u8; 32],
+    pub name: [i8; 32],
     pub flags: i32,
     pub version: i32,
     pub xa_open_entry: isize,
diff --git a/crates/libs/windows/src/Windows/Win32/System/GroupPolicy/mod.rs b/crates/libs/windows/src/Windows/Win32/System/GroupPolicy/mod.rs
index 7101a811af..f14a369444 100644
--- a/crates/libs/windows/src/Windows/Win32/System/GroupPolicy/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/GroupPolicy/mod.rs
@@ -4992,7 +4992,7 @@ pub struct GROUP_POLICY_OBJECTA {
     pub lpDSPath: ::windows_core::PSTR,
     pub lpFileSysPath: ::windows_core::PSTR,
     pub lpDisplayName: ::windows_core::PSTR,
-    pub szGPOName: [u8; 50],
+    pub szGPOName: [i8; 50],
     pub GPOLink: GPO_LINK,
     pub lParam: super::super::Foundation::LPARAM,
     pub pNext: *mut GROUP_POLICY_OBJECTA,
diff --git a/crates/libs/windows/src/Windows/Win32/System/Iis/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Iis/mod.rs
index ba2ef9546b..0680ac48f2 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Iis/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Iis/mod.rs
@@ -2167,7 +2167,7 @@ pub struct EXTENSION_CONTROL_BLOCK {
     pub dwVersion: u32,
     pub ConnID: HCONN,
     pub dwHttpStatusCode: u32,
-    pub lpszLogData: [u8; 80],
+    pub lpszLogData: [i8; 80],
     pub lpszMethod: ::windows_core::PSTR,
     pub lpszQueryString: ::windows_core::PSTR,
     pub lpszPathInfo: ::windows_core::PSTR,
@@ -2628,7 +2628,7 @@ impl ::core::default::Default for HSE_UNICODE_URL_MAPEX_INFO {
 }
 #[repr(C)]
 pub struct HSE_URL_MAPEX_INFO {
-    pub lpszPath: [u8; 260],
+    pub lpszPath: [i8; 260],
     pub dwFlags: u32,
     pub cchMatchingPath: u32,
     pub cchMatchingURL: u32,
@@ -2695,7 +2695,7 @@ impl ::core::default::Default for HSE_VECTOR_ELEMENT {
 #[repr(C)]
 pub struct HSE_VERSION_INFO {
     pub dwExtensionVersion: u32,
-    pub lpszExtensionDesc: [u8; 256],
+    pub lpszExtensionDesc: [i8; 256],
 }
 impl ::core::marker::Copy for HSE_VERSION_INFO {}
 impl ::core::clone::Clone for HSE_VERSION_INFO {
@@ -3057,7 +3057,7 @@ impl ::core::default::Default for HTTP_FILTER_URL_MAP_EX {
 pub struct HTTP_FILTER_VERSION {
     pub dwServerFilterVersion: u32,
     pub dwFilterVersion: u32,
-    pub lpszFilterDesc: [u8; 257],
+    pub lpszFilterDesc: [i8; 257],
     pub dwFlags: u32,
 }
 impl ::core::marker::Copy for HTTP_FILTER_VERSION {}
diff --git a/crates/libs/windows/src/Windows/Win32/System/Ioctl/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Ioctl/mod.rs
index 09d6633fab..9228696bad 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Ioctl/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Ioctl/mod.rs
@@ -4353,7 +4353,7 @@ impl ::core::default::Default for DEVICEDUMP_PRIVATE_SUBSECTION {
 pub struct DEVICEDUMP_PUBLIC_SUBSECTION {
     pub dwFlags: u32,
     pub GPLogTable: [GP_LOG_PAGE_DESCRIPTOR; 16],
-    pub szDescription: [u8; 16],
+    pub szDescription: [i8; 16],
     pub bData: [u8; 1],
 }
 impl ::core::marker::Copy for DEVICEDUMP_PUBLIC_SUBSECTION {}
@@ -8362,7 +8362,7 @@ impl ::core::default::Default for FILE_STORAGE_TIER_REGION {
 }
 #[repr(C)]
 pub struct FILE_SYSTEM_RECOGNITION_INFORMATION {
-    pub FileSystem: [u8; 9],
+    pub FileSystem: [i8; 9],
 }
 impl ::core::marker::Copy for FILE_SYSTEM_RECOGNITION_INFORMATION {}
 impl ::core::clone::Clone for FILE_SYSTEM_RECOGNITION_INFORMATION {
@@ -12698,7 +12698,7 @@ pub struct SCM_PD_DEVICE_INFO {
     pub ManufacturingYear: u8,
     pub SerialNumber4Byte: u32,
     pub SerialNumberLengthInChars: u32,
-    pub SerialNumber: [u8; 1],
+    pub SerialNumber: [i8; 1],
 }
 impl ::core::marker::Copy for SCM_PD_DEVICE_INFO {}
 impl ::core::clone::Clone for SCM_PD_DEVICE_INFO {
diff --git a/crates/libs/windows/src/Windows/Win32/System/Ole/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Ole/mod.rs
index 433c02c539..ff1a513dd6 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Ole/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Ole/mod.rs
@@ -1396,8 +1396,8 @@ where
     VarBoolFromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarBoolFromI1(cin: u8) -> ::windows_core::Result<super::super::Foundation::VARIANT_BOOL> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarBoolFromI1(cin : u8, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_core::HRESULT);
+pub unsafe fn VarBoolFromI1(cin: i8) -> ::windows_core::Result<super::super::Foundation::VARIANT_BOOL> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarBoolFromI1(cin : i8, pboolout : *mut super::super::Foundation:: VARIANT_BOOL) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarBoolFromI1(cin, &mut result__).from_abi(result__)
 }
@@ -1524,8 +1524,8 @@ where
     VarBstrFromDisp(pdispin.into_param().abi(), lcid, dwflags, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarBstrFromI1(cin: u8, lcid: u32, dwflags: u32) -> ::windows_core::Result<::windows_core::BSTR> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarBstrFromI1(cin : u8, lcid : u32, dwflags : u32, pbstrout : *mut ::std::mem::MaybeUninit <::windows_core::BSTR >) -> ::windows_core::HRESULT);
+pub unsafe fn VarBstrFromI1(cin: i8, lcid: u32, dwflags: u32) -> ::windows_core::Result<::windows_core::BSTR> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarBstrFromI1(cin : i8, lcid : u32, dwflags : u32, pbstrout : *mut ::std::mem::MaybeUninit <::windows_core::BSTR >) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarBstrFromI1(cin, lcid, dwflags, &mut result__).from_abi(result__)
 }
@@ -1677,8 +1677,8 @@ where
 #[doc = "Required features: `\"Win32_System_Com\"`"]
 #[cfg(feature = "Win32_System_Com")]
 #[inline]
-pub unsafe fn VarCyFromI1(cin: u8) -> ::windows_core::Result<super::Com::CY> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarCyFromI1(cin : u8, pcyout : *mut super::Com:: CY) -> ::windows_core::HRESULT);
+pub unsafe fn VarCyFromI1(cin: i8) -> ::windows_core::Result<super::Com::CY> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarCyFromI1(cin : i8, pcyout : *mut super::Com:: CY) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarCyFromI1(cin, &mut result__).from_abi(result__)
 }
@@ -1856,8 +1856,8 @@ where
     VarDateFromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarDateFromI1(cin: u8) -> ::windows_core::Result<f64> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarDateFromI1(cin : u8, pdateout : *mut f64) -> ::windows_core::HRESULT);
+pub unsafe fn VarDateFromI1(cin: i8) -> ::windows_core::Result<f64> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarDateFromI1(cin : i8, pdateout : *mut f64) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarDateFromI1(cin, &mut result__).from_abi(result__)
 }
@@ -2005,8 +2005,8 @@ where
     VarDecFromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarDecFromI1(cin: u8) -> ::windows_core::Result<super::super::Foundation::DECIMAL> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarDecFromI1(cin : u8, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_core::HRESULT);
+pub unsafe fn VarDecFromI1(cin: i8) -> ::windows_core::Result<super::super::Foundation::DECIMAL> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarDecFromI1(cin : i8, pdecout : *mut super::super::Foundation:: DECIMAL) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarDecFromI1(cin, &mut result__).from_abi(result__)
 }
@@ -2308,8 +2308,8 @@ where
     VarI2FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarI2FromI1(cin: u8) -> ::windows_core::Result<i16> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarI2FromI1(cin : u8, psout : *mut i16) -> ::windows_core::HRESULT);
+pub unsafe fn VarI2FromI1(cin: i8) -> ::windows_core::Result<i16> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarI2FromI1(cin : i8, psout : *mut i16) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarI2FromI1(cin, &mut result__).from_abi(result__)
 }
@@ -2411,8 +2411,8 @@ where
     VarI4FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarI4FromI1(cin: u8) -> ::windows_core::Result<i32> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarI4FromI1(cin : u8, plout : *mut i32) -> ::windows_core::HRESULT);
+pub unsafe fn VarI4FromI1(cin: i8) -> ::windows_core::Result<i32> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarI4FromI1(cin : i8, plout : *mut i32) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarI4FromI1(cin, &mut result__).from_abi(result__)
 }
@@ -2514,8 +2514,8 @@ where
     VarI8FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarI8FromI1(cin: u8) -> ::windows_core::Result<i64> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarI8FromI1(cin : u8, pi64out : *mut i64) -> ::windows_core::HRESULT);
+pub unsafe fn VarI8FromI1(cin: i8) -> ::windows_core::Result<i64> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarI8FromI1(cin : i8, pi64out : *mut i64) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarI8FromI1(cin, &mut result__).from_abi(result__)
 }
@@ -2709,8 +2709,8 @@ where
     VarR4FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarR4FromI1(cin: u8) -> ::windows_core::Result<f32> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarR4FromI1(cin : u8, pfltout : *mut f32) -> ::windows_core::HRESULT);
+pub unsafe fn VarR4FromI1(cin: i8) -> ::windows_core::Result<f32> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarR4FromI1(cin : i8, pfltout : *mut f32) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarR4FromI1(cin, &mut result__).from_abi(result__)
 }
@@ -2811,8 +2811,8 @@ where
     VarR8FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarR8FromI1(cin: u8, pdblout: *mut f64) -> ::windows_core::Result<()> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarR8FromI1(cin : u8, pdblout : *mut f64) -> ::windows_core::HRESULT);
+pub unsafe fn VarR8FromI1(cin: i8, pdblout: *mut f64) -> ::windows_core::Result<()> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarR8FromI1(cin : i8, pdblout : *mut f64) -> ::windows_core::HRESULT);
     VarR8FromI1(cin, pdblout).ok()
 }
 #[inline]
@@ -2949,8 +2949,8 @@ where
     VarUI1FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarUI1FromI1(cin: u8) -> ::windows_core::Result<u8> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarUI1FromI1(cin : u8, pbout : *mut u8) -> ::windows_core::HRESULT);
+pub unsafe fn VarUI1FromI1(cin: i8) -> ::windows_core::Result<u8> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarUI1FromI1(cin : i8, pbout : *mut u8) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarUI1FromI1(cin, &mut result__).from_abi(result__)
 }
@@ -3052,8 +3052,8 @@ where
     VarUI2FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarUI2FromI1(cin: u8) -> ::windows_core::Result<u16> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarUI2FromI1(cin : u8, puiout : *mut u16) -> ::windows_core::HRESULT);
+pub unsafe fn VarUI2FromI1(cin: i8) -> ::windows_core::Result<u16> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarUI2FromI1(cin : i8, puiout : *mut u16) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarUI2FromI1(cin, &mut result__).from_abi(result__)
 }
@@ -3154,8 +3154,8 @@ where
     VarUI4FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarUI4FromI1(cin: u8) -> ::windows_core::Result<u32> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarUI4FromI1(cin : u8, pulout : *mut u32) -> ::windows_core::HRESULT);
+pub unsafe fn VarUI4FromI1(cin: i8) -> ::windows_core::Result<u32> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarUI4FromI1(cin : i8, pulout : *mut u32) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarUI4FromI1(cin, &mut result__).from_abi(result__)
 }
@@ -3257,8 +3257,8 @@ where
     VarUI8FromDisp(pdispin.into_param().abi(), lcid, &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn VarUI8FromI1(cin: u8) -> ::windows_core::Result<u64> {
-    ::windows_targets::link!("oleaut32.dll" "system" fn VarUI8FromI1(cin : u8, pi64out : *mut u64) -> ::windows_core::HRESULT);
+pub unsafe fn VarUI8FromI1(cin: i8) -> ::windows_core::Result<u64> {
+    ::windows_targets::link!("oleaut32.dll" "system" fn VarUI8FromI1(cin : i8, pi64out : *mut u64) -> ::windows_core::HRESULT);
     let mut result__ = ::std::mem::zeroed();
     VarUI8FromI1(cin, &mut result__).from_abi(result__)
 }
@@ -11162,7 +11162,7 @@ pub struct OLEUICHANGEICONA {
     pub hResource: super::super::Foundation::HRSRC,
     pub hMetaPict: super::super::Foundation::HGLOBAL,
     pub clsid: ::windows_core::GUID,
-    pub szIconExe: [u8; 260],
+    pub szIconExe: [i8; 260],
     pub cchIconExe: i32,
 }
 impl ::core::marker::Copy for OLEUICHANGEICONA {}
@@ -13229,7 +13229,7 @@ pub union _wireVARIANT_0 {
     pub ppdispVal: *mut ::core::option::Option<super::Com::IDispatch>,
     pub pparray: *mut *mut *mut _wireSAFEARRAY,
     pub pvarVal: *mut *mut _wireVARIANT,
-    pub cVal: u8,
+    pub cVal: i8,
     pub uiVal: u16,
     pub ulVal: u32,
     pub ullVal: u64,
diff --git a/crates/libs/windows/src/Windows/Win32/System/PasswordManagement/mod.rs b/crates/libs/windows/src/Windows/Win32/System/PasswordManagement/mod.rs
index 7d8ea4db6a..b7d0bb1654 100644
--- a/crates/libs/windows/src/Windows/Win32/System/PasswordManagement/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/PasswordManagement/mod.rs
@@ -20,7 +20,7 @@ where
 }
 #[repr(C)]
 pub struct CYPHER_BLOCK {
-    pub data: [u8; 8],
+    pub data: [i8; 8],
 }
 impl ::core::marker::Copy for CYPHER_BLOCK {}
 impl ::core::clone::Clone for CYPHER_BLOCK {
diff --git a/crates/libs/windows/src/Windows/Win32/System/RemoteDesktop/mod.rs b/crates/libs/windows/src/Windows/Win32/System/RemoteDesktop/mod.rs
index 1d5d59f58d..e99627490e 100644
--- a/crates/libs/windows/src/Windows/Win32/System/RemoteDesktop/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/RemoteDesktop/mod.rs
@@ -5915,7 +5915,7 @@ impl ::core::default::Default for BITMAP_RENDERER_STATISTICS {
 }
 #[repr(C, packed(1))]
 pub struct CHANNEL_DEF {
-    pub name: [u8; 8],
+    pub name: [i8; 8],
     pub options: u32,
 }
 impl ::core::marker::Copy for CHANNEL_DEF {}
@@ -6023,8 +6023,8 @@ impl ::core::default::Default for CLIENT_DISPLAY {
 }
 #[repr(C)]
 pub struct PRODUCT_INFOA {
-    pub CompanyName: [u8; 256],
-    pub ProductID: [u8; 4],
+    pub CompanyName: [i8; 256],
+    pub ProductID: [i8; 4],
 }
 impl ::core::marker::Copy for PRODUCT_INFOA {}
 impl ::core::clone::Clone for PRODUCT_INFOA {
@@ -6810,25 +6810,25 @@ impl ::core::default::Default for WRDS_SETTINGS_1 {
 }
 #[repr(C)]
 pub struct WTSCLIENTA {
-    pub ClientName: [u8; 21],
-    pub Domain: [u8; 18],
-    pub UserName: [u8; 21],
-    pub WorkDirectory: [u8; 261],
-    pub InitialProgram: [u8; 261],
+    pub ClientName: [i8; 21],
+    pub Domain: [i8; 18],
+    pub UserName: [i8; 21],
+    pub WorkDirectory: [i8; 261],
+    pub InitialProgram: [i8; 261],
     pub EncryptionLevel: u8,
     pub ClientAddressFamily: u32,
     pub ClientAddress: [u16; 31],
     pub HRes: u16,
     pub VRes: u16,
     pub ColorDepth: u16,
-    pub ClientDirectory: [u8; 261],
+    pub ClientDirectory: [i8; 261],
     pub ClientBuildNumber: u32,
     pub ClientHardwareId: u32,
     pub ClientProductId: u16,
     pub OutBufCountHost: u16,
     pub OutBufCountClient: u16,
     pub OutBufLength: u16,
-    pub DeviceId: [u8; 261],
+    pub DeviceId: [i8; 261],
 }
 impl ::core::marker::Copy for WTSCLIENTA {}
 impl ::core::clone::Clone for WTSCLIENTA {
@@ -6986,11 +6986,11 @@ pub struct WTSCONFIGINFOA {
     pub fDisablePrinterRedirection: u32,
     pub fDisableDefaultMainClientPrinter: u32,
     pub ShadowSettings: u32,
-    pub LogonUserName: [u8; 21],
-    pub LogonDomain: [u8; 18],
-    pub WorkDirectory: [u8; 261],
-    pub InitialProgram: [u8; 261],
-    pub ApplicationName: [u8; 261],
+    pub LogonUserName: [i8; 21],
+    pub LogonDomain: [i8; 18],
+    pub WorkDirectory: [i8; 261],
+    pub InitialProgram: [i8; 261],
+    pub ApplicationName: [i8; 261],
 }
 impl ::core::marker::Copy for WTSCONFIGINFOA {}
 impl ::core::clone::Clone for WTSCONFIGINFOA {
@@ -7090,9 +7090,9 @@ pub struct WTSINFOA {
     pub OutgoingFrames: u32,
     pub IncomingCompressedBytes: u32,
     pub OutgoingCompressedBy: u32,
-    pub WinStationName: [u8; 32],
-    pub Domain: [u8; 17],
-    pub UserName: [u8; 21],
+    pub WinStationName: [i8; 32],
+    pub Domain: [i8; 17],
+    pub UserName: [i8; 21],
     pub ConnectTime: i64,
     pub DisconnectTime: i64,
     pub LastInputTime: i64,
@@ -7184,9 +7184,9 @@ pub struct WTSINFOEX_LEVEL1_A {
     pub SessionId: u32,
     pub SessionState: WTS_CONNECTSTATE_CLASS,
     pub SessionFlags: i32,
-    pub WinStationName: [u8; 33],
-    pub UserName: [u8; 21],
-    pub DomainName: [u8; 18],
+    pub WinStationName: [i8; 33],
+    pub UserName: [i8; 21],
+    pub DomainName: [i8; 18],
     pub LogonTime: i64,
     pub ConnectTime: i64,
     pub DisconnectTime: i64,
@@ -7430,11 +7430,11 @@ pub struct WTSLISTENERCONFIGA {
     pub SecurityLayer: u32,
     pub MinEncryptionLevel: u32,
     pub UserAuthentication: u32,
-    pub Comment: [u8; 61],
-    pub LogonUserName: [u8; 21],
-    pub LogonDomain: [u8; 18],
-    pub WorkDirectory: [u8; 261],
-    pub InitialProgram: [u8; 261],
+    pub Comment: [i8; 61],
+    pub LogonUserName: [i8; 21],
+    pub LogonDomain: [i8; 18],
+    pub WorkDirectory: [i8; 261],
+    pub InitialProgram: [i8; 261],
 }
 impl ::core::marker::Copy for WTSLISTENERCONFIGA {}
 impl ::core::clone::Clone for WTSLISTENERCONFIGA {
@@ -7824,11 +7824,11 @@ pub struct WTSUSERCONFIGA {
     pub ReconnectSettings: u32,
     pub ShadowingSettings: u32,
     pub TerminalServerRemoteHomeDir: u32,
-    pub InitialProgram: [u8; 261],
-    pub WorkDirectory: [u8; 261],
-    pub TerminalServerProfilePath: [u8; 261],
-    pub TerminalServerHomeDir: [u8; 261],
-    pub TerminalServerHomeDirDrive: [u8; 4],
+    pub InitialProgram: [i8; 261],
+    pub WorkDirectory: [i8; 261],
+    pub TerminalServerProfilePath: [i8; 261],
+    pub TerminalServerHomeDir: [i8; 261],
+    pub TerminalServerHomeDirDrive: [i8; 4],
 }
 impl ::core::marker::Copy for WTSUSERCONFIGA {}
 impl ::core::clone::Clone for WTSUSERCONFIGA {
diff --git a/crates/libs/windows/src/Windows/Win32/System/Restore/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Restore/mod.rs
index 15ab9f32fe..adafd0ffd0 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Restore/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Restore/mod.rs
@@ -70,7 +70,7 @@ pub struct RESTOREPOINTINFOA {
     pub dwEventType: RESTOREPOINTINFO_EVENT_TYPE,
     pub dwRestorePtType: RESTOREPOINTINFO_TYPE,
     pub llSequenceNumber: i64,
-    pub szDescription: [u8; 64],
+    pub szDescription: [i8; 64],
 }
 impl ::core::marker::Copy for RESTOREPOINTINFOA {}
 impl ::core::clone::Clone for RESTOREPOINTINFOA {
diff --git a/crates/libs/windows/src/Windows/Win32/System/SystemInformation/mod.rs b/crates/libs/windows/src/Windows/Win32/System/SystemInformation/mod.rs
index 6127d53890..f4c965df66 100644
--- a/crates/libs/windows/src/Windows/Win32/System/SystemInformation/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/SystemInformation/mod.rs
@@ -1207,7 +1207,7 @@ pub struct OSVERSIONINFOA {
     pub dwMinorVersion: u32,
     pub dwBuildNumber: u32,
     pub dwPlatformId: u32,
-    pub szCSDVersion: [u8; 128],
+    pub szCSDVersion: [i8; 128],
 }
 impl ::core::marker::Copy for OSVERSIONINFOA {}
 impl ::core::clone::Clone for OSVERSIONINFOA {
@@ -1241,7 +1241,7 @@ pub struct OSVERSIONINFOEXA {
     pub dwMinorVersion: u32,
     pub dwBuildNumber: u32,
     pub dwPlatformId: u32,
-    pub szCSDVersion: [u8; 128],
+    pub szCSDVersion: [i8; 128],
     pub wServicePackMajor: u16,
     pub wServicePackMinor: u16,
     pub wSuiteMask: u16,
diff --git a/crates/libs/windows/src/Windows/Win32/System/SystemServices/mod.rs b/crates/libs/windows/src/Windows/Win32/System/SystemServices/mod.rs
index 43a1d60686..70dd2ed3a4 100644
--- a/crates/libs/windows/src/Windows/Win32/System/SystemServices/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/SystemServices/mod.rs
@@ -4989,7 +4989,7 @@ impl ::core::default::Default for IMAGE_HOT_PATCH_INFO {
 #[repr(C)]
 pub struct IMAGE_IMPORT_BY_NAME {
     pub Hint: u16,
-    pub Name: [u8; 1],
+    pub Name: [i8; 1],
 }
 impl ::core::marker::Copy for IMAGE_IMPORT_BY_NAME {}
 impl ::core::clone::Clone for IMAGE_IMPORT_BY_NAME {
@@ -5134,8 +5134,8 @@ impl ::core::default::Default for IMAGE_LINENUMBER_0 {
 #[repr(C, packed(2))]
 pub struct IMAGE_OS2_HEADER {
     pub ne_magic: u16,
-    pub ne_ver: u8,
-    pub ne_rev: u8,
+    pub ne_ver: i8,
+    pub ne_rev: i8,
     pub ne_enttab: u16,
     pub ne_cbenttab: u16,
     pub ne_crc: i32,
@@ -5501,7 +5501,7 @@ impl ::core::default::Default for IMAGE_RESOURCE_DIRECTORY_ENTRY_1_0 {
 #[repr(C)]
 pub struct IMAGE_RESOURCE_DIRECTORY_STRING {
     pub Length: u16,
-    pub NameString: [u8; 1],
+    pub NameString: [i8; 1],
 }
 impl ::core::marker::Copy for IMAGE_RESOURCE_DIRECTORY_STRING {}
 impl ::core::clone::Clone for IMAGE_RESOURCE_DIRECTORY_STRING {
diff --git a/crates/libs/windows/src/Windows/Win32/System/Variant/mod.rs b/crates/libs/windows/src/Windows/Win32/System/Variant/mod.rs
index 304001b484..fd25134e00 100644
--- a/crates/libs/windows/src/Windows/Win32/System/Variant/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/Variant/mod.rs
@@ -956,7 +956,7 @@ pub union VARIANT_0_0_0 {
     pub pparray: *mut *mut super::Com::SAFEARRAY,
     pub pvarVal: *mut VARIANT,
     pub byref: *mut ::core::ffi::c_void,
-    pub cVal: u8,
+    pub cVal: i8,
     pub uiVal: u16,
     pub ulVal: u32,
     pub ullVal: u64,
diff --git a/crates/libs/windows/src/Windows/Win32/System/VirtualDosMachines/mod.rs b/crates/libs/windows/src/Windows/Win32/System/VirtualDosMachines/mod.rs
index b087b4419f..176e6b3d38 100644
--- a/crates/libs/windows/src/Windows/Win32/System/VirtualDosMachines/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/VirtualDosMachines/mod.rs
@@ -125,8 +125,8 @@ impl ::core::default::Default for GLOBALENTRY {
 }
 #[repr(C)]
 pub struct IMAGE_NOTE {
-    pub Module: [u8; 10],
-    pub FileName: [u8; 256],
+    pub Module: [i8; 10],
+    pub FileName: [i8; 256],
     pub hModule: u16,
     pub hTask: u16,
 }
@@ -158,10 +158,10 @@ impl ::core::default::Default for IMAGE_NOTE {
 #[repr(C, packed(4))]
 pub struct MODULEENTRY {
     pub dwSize: u32,
-    pub szModule: [u8; 10],
+    pub szModule: [i8; 10],
     pub hModule: super::super::Foundation::HANDLE,
     pub wcUsage: u16,
-    pub szExePath: [u8; 256],
+    pub szExePath: [i8; 256],
     pub wNext: u16,
 }
 impl ::core::marker::Copy for MODULEENTRY {}
@@ -183,8 +183,8 @@ pub struct SEGMENT_NOTE {
     pub Selector1: u16,
     pub Selector2: u16,
     pub Segment: u16,
-    pub Module: [u8; 10],
-    pub FileName: [u8; 256],
+    pub Module: [i8; 10],
+    pub FileName: [i8; 256],
     pub Type: u16,
     pub Length: u32,
 }
@@ -558,8 +558,8 @@ pub struct VDM_SEGINFO {
     pub SegNumber: u16,
     pub Length: u32,
     pub Type: u16,
-    pub ModuleName: [u8; 9],
-    pub FileName: [u8; 255],
+    pub ModuleName: [i8; 9],
+    pub FileName: [i8; 255],
 }
 impl ::core::marker::Copy for VDM_SEGINFO {}
 impl ::core::clone::Clone for VDM_SEGINFO {
diff --git a/crates/libs/windows/src/Windows/Win32/System/WindowsProgramming/mod.rs b/crates/libs/windows/src/Windows/Win32/System/WindowsProgramming/mod.rs
index e36f8142f4..ca4d270a70 100644
--- a/crates/libs/windows/src/Windows/Win32/System/WindowsProgramming/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/System/WindowsProgramming/mod.rs
@@ -3047,7 +3047,7 @@ pub struct CABINFOA {
     pub pszCab: ::windows_core::PSTR,
     pub pszInf: ::windows_core::PSTR,
     pub pszSection: ::windows_core::PSTR,
-    pub szSrcPath: [u8; 260],
+    pub szSrcPath: [i8; 260],
     pub dwFlags: u32,
 }
 impl ::core::marker::Copy for CABINFOA {}
@@ -3698,8 +3698,8 @@ impl ::windows_core::TypeKind for HWINWATCH {
 #[repr(C)]
 pub struct HW_PROFILE_INFOA {
     pub dwDockInfo: u32,
-    pub szHwProfileGuid: [u8; 39],
-    pub szHwProfileName: [u8; 80],
+    pub szHwProfileGuid: [i8; 39],
+    pub szHwProfileName: [i8; 80],
 }
 impl ::core::marker::Copy for HW_PROFILE_INFOA {}
 impl ::core::clone::Clone for HW_PROFILE_INFOA {
@@ -4160,12 +4160,12 @@ impl ::core::default::Default for LDR_DATA_TABLE_ENTRY_0 {
 }
 #[repr(C)]
 pub struct PERUSERSECTIONA {
-    pub szGUID: [u8; 59],
-    pub szDispName: [u8; 128],
-    pub szLocale: [u8; 10],
-    pub szStub: [u8; 1040],
-    pub szVersion: [u8; 32],
-    pub szCompID: [u8; 128],
+    pub szGUID: [i8; 59],
+    pub szDispName: [i8; 128],
+    pub szLocale: [i8; 10],
+    pub szStub: [i8; 1040],
+    pub szVersion: [i8; 32],
+    pub szCompID: [i8; 128],
     pub dwIsInstalled: u32,
     pub bRollback: super::super::Foundation::BOOL,
 }
diff --git a/crates/libs/windows/src/Windows/Win32/UI/ColorSystem/mod.rs b/crates/libs/windows/src/Windows/Win32/UI/ColorSystem/mod.rs
index a71938aa3b..3e35efdacf 100644
--- a/crates/libs/windows/src/Windows/Win32/UI/ColorSystem/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/UI/ColorSystem/mod.rs
@@ -2037,7 +2037,7 @@ pub struct LOGCOLORSPACEA {
     pub lcsGammaRed: u32,
     pub lcsGammaGreen: u32,
     pub lcsGammaBlue: u32,
-    pub lcsFilename: [u8; 260],
+    pub lcsFilename: [i8; 260],
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
 impl ::core::marker::Copy for LOGCOLORSPACEA {}
diff --git a/crates/libs/windows/src/Windows/Win32/UI/Controls/RichEdit/mod.rs b/crates/libs/windows/src/Windows/Win32/UI/Controls/RichEdit/mod.rs
index 2a8c505f89..72b4c8c0f1 100644
--- a/crates/libs/windows/src/Windows/Win32/UI/Controls/RichEdit/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/UI/Controls/RichEdit/mod.rs
@@ -7462,7 +7462,7 @@ pub struct CHARFORMATA {
     pub crTextColor: super::super::super::Foundation::COLORREF,
     pub bCharSet: super::super::super::Graphics::Gdi::FONT_CHARSET,
     pub bPitchAndFamily: u8,
-    pub szFaceName: [u8; 32],
+    pub szFaceName: [i8; 32],
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
 impl ::core::marker::Copy for CHARFORMATA {}
diff --git a/crates/libs/windows/src/Windows/Win32/UI/Controls/mod.rs b/crates/libs/windows/src/Windows/Win32/UI/Controls/mod.rs
index ee21f7ad10..1eee4656f3 100644
--- a/crates/libs/windows/src/Windows/Win32/UI/Controls/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/UI/Controls/mod.rs
@@ -11744,15 +11744,15 @@ impl ::core::default::Default for BUTTON_SPLITINFO {
 #[doc = "Required features: `\"Win32_Graphics_Gdi\"`"]
 #[cfg(feature = "Win32_Graphics_Gdi")]
 pub struct CCINFOA {
-    pub szClass: [u8; 32],
+    pub szClass: [i8; 32],
     pub flOptions: u32,
-    pub szDesc: [u8; 32],
+    pub szDesc: [i8; 32],
     pub cxDefault: u32,
     pub cyDefault: u32,
     pub flStyleDefault: u32,
     pub flExtStyleDefault: u32,
     pub flCtrlTypeMask: u32,
-    pub szTextDefault: [u8; 256],
+    pub szTextDefault: [i8; 256],
     pub cStyleFlags: i32,
     pub aStyleFlags: *mut CCSTYLEFLAGA,
     pub lpfnStyle: LPFNCCSTYLEA,
@@ -11860,7 +11860,7 @@ impl ::core::default::Default for CCINFOW {
 pub struct CCSTYLEA {
     pub flStyle: u32,
     pub flExtStyle: u32,
-    pub szText: [u8; 256],
+    pub szText: [i8; 256],
     pub lgid: u16,
     pub wReserved1: u16,
 }
@@ -14150,7 +14150,7 @@ impl ::core::default::Default for NMBCHOTITEM {
 pub struct NMCBEDRAGBEGINA {
     pub hdr: NMHDR,
     pub iItemid: i32,
-    pub szText: [u8; 260],
+    pub szText: [i8; 260],
 }
 impl ::core::marker::Copy for NMCBEDRAGBEGINA {}
 impl ::core::clone::Clone for NMCBEDRAGBEGINA {
@@ -14213,7 +14213,7 @@ pub struct NMCBEENDEDITA {
     pub hdr: NMHDR,
     pub fChanged: super::super::Foundation::BOOL,
     pub iNewSelection: i32,
-    pub szText: [u8; 260],
+    pub szText: [i8; 260],
     pub iWhy: i32,
 }
 impl ::core::marker::Copy for NMCBEENDEDITA {}
@@ -14523,7 +14523,7 @@ pub struct NMDATETIMEFORMATA {
     pub pszFormat: ::windows_core::PCSTR,
     pub st: super::super::Foundation::SYSTEMTIME,
     pub pszDisplay: ::windows_core::PCSTR,
-    pub szDisplay: [u8; 64],
+    pub szDisplay: [i8; 64],
 }
 impl ::core::marker::Copy for NMDATETIMEFORMATA {}
 impl ::core::clone::Clone for NMDATETIMEFORMATA {
@@ -16582,7 +16582,7 @@ impl ::core::default::Default for NMTTCUSTOMDRAW {
 pub struct NMTTDISPINFOA {
     pub hdr: NMHDR,
     pub lpszText: ::windows_core::PSTR,
-    pub szText: [u8; 80],
+    pub szText: [i8; 80],
     pub hinst: super::super::Foundation::HINSTANCE,
     pub uFlags: TOOLTIP_FLAGS,
     pub lParam: super::super::Foundation::LPARAM,
diff --git a/crates/libs/windows/src/Windows/Win32/UI/Input/Ime/mod.rs b/crates/libs/windows/src/Windows/Win32/UI/Input/Ime/mod.rs
index d44e1aeb0f..989e48e41f 100644
--- a/crates/libs/windows/src/Windows/Win32/UI/Input/Ime/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/UI/Input/Ime/mod.rs
@@ -5312,7 +5312,7 @@ pub struct IMEMENUITEMINFOA {
     pub hbmpChecked: super::super::super::Graphics::Gdi::HBITMAP,
     pub hbmpUnchecked: super::super::super::Graphics::Gdi::HBITMAP,
     pub dwItemData: u32,
-    pub szString: [u8; 80],
+    pub szString: [i8; 80],
     pub hbmpItem: super::super::super::Graphics::Gdi::HBITMAP,
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
@@ -5397,9 +5397,9 @@ impl ::core::default::Default for IMEMENUITEMINFOW {
 pub struct IMESHF {
     pub cbShf: u16,
     pub verDic: u16,
-    pub szTitle: [u8; 48],
-    pub szDescription: [u8; 256],
-    pub szCopyright: [u8; 128],
+    pub szTitle: [i8; 48],
+    pub szDescription: [i8; 256],
+    pub szCopyright: [i8; 128],
 }
 impl ::core::marker::Copy for IMESHF {}
 impl ::core::clone::Clone for IMESHF {
@@ -5871,7 +5871,7 @@ impl ::core::default::Default for SOFTKBDDATA {
 #[repr(C)]
 pub struct STYLEBUFA {
     pub dwStyle: u32,
-    pub szDescription: [u8; 32],
+    pub szDescription: [i8; 32],
 }
 impl ::core::marker::Copy for STYLEBUFA {}
 impl ::core::clone::Clone for STYLEBUFA {
diff --git a/crates/libs/windows/src/Windows/Win32/UI/Input/KeyboardAndMouse/mod.rs b/crates/libs/windows/src/Windows/Win32/UI/Input/KeyboardAndMouse/mod.rs
index 0db57f7e36..6a0db7f6c6 100644
--- a/crates/libs/windows/src/Windows/Win32/UI/Input/KeyboardAndMouse/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/UI/Input/KeyboardAndMouse/mod.rs
@@ -302,18 +302,18 @@ where
     UnregisterHotKey(hwnd.into_param().abi(), id).ok()
 }
 #[inline]
-pub unsafe fn VkKeyScanA(ch: u8) -> i16 {
-    ::windows_targets::link!("user32.dll" "system" fn VkKeyScanA(ch : u8) -> i16);
+pub unsafe fn VkKeyScanA(ch: i8) -> i16 {
+    ::windows_targets::link!("user32.dll" "system" fn VkKeyScanA(ch : i8) -> i16);
     VkKeyScanA(ch)
 }
 #[doc = "Required features: `\"Win32_UI_TextServices\"`"]
 #[cfg(feature = "Win32_UI_TextServices")]
 #[inline]
-pub unsafe fn VkKeyScanExA<P0>(ch: u8, dwhkl: P0) -> i16
+pub unsafe fn VkKeyScanExA<P0>(ch: i8, dwhkl: P0) -> i16
 where
     P0: ::windows_core::IntoParam<super::super::TextServices::HKL>,
 {
-    ::windows_targets::link!("user32.dll" "system" fn VkKeyScanExA(ch : u8, dwhkl : super::super::TextServices:: HKL) -> i16);
+    ::windows_targets::link!("user32.dll" "system" fn VkKeyScanExA(ch : i8, dwhkl : super::super::TextServices:: HKL) -> i16);
     VkKeyScanExA(ch, dwhkl.into_param().abi())
 }
 #[doc = "Required features: `\"Win32_UI_TextServices\"`"]
diff --git a/crates/libs/windows/src/Windows/Win32/UI/Shell/PropertiesSystem/mod.rs b/crates/libs/windows/src/Windows/Win32/UI/Shell/PropertiesSystem/mod.rs
index ede8004718..bf47daa74c 100644
--- a/crates/libs/windows/src/Windows/Win32/UI/Shell/PropertiesSystem/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/UI/Shell/PropertiesSystem/mod.rs
@@ -2955,16 +2955,16 @@ impl ::core::default::Default for PROPERTYKEY {
 pub struct PROPPRG {
     pub flPrg: u16,
     pub flPrgInit: u16,
-    pub achTitle: [u8; 30],
-    pub achCmdLine: [u8; 128],
-    pub achWorkDir: [u8; 64],
+    pub achTitle: [i8; 30],
+    pub achCmdLine: [i8; 128],
+    pub achWorkDir: [i8; 64],
     pub wHotKey: u16,
-    pub achIconFile: [u8; 80],
+    pub achIconFile: [i8; 80],
     pub wIconIndex: u16,
     pub dwEnhModeFlags: u32,
     pub dwRealModeFlags: u32,
-    pub achOtherFile: [u8; 80],
-    pub achPIFFile: [u8; 260],
+    pub achOtherFile: [i8; 80],
+    pub achPIFFile: [i8; 260],
 }
 impl ::core::marker::Copy for PROPPRG {}
 impl ::core::clone::Clone for PROPPRG {
diff --git a/crates/libs/windows/src/Windows/Win32/UI/Shell/mod.rs b/crates/libs/windows/src/Windows/Win32/UI/Shell/mod.rs
index 30ba54ae22..2e2e21a2de 100644
--- a/crates/libs/windows/src/Windows/Win32/UI/Shell/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/UI/Shell/mod.rs
@@ -1286,8 +1286,8 @@ where
     IntlStrEqWorkerW(fcasesens.into_param().abi(), lpstring1.into_param().abi(), lpstring2.into_param().abi(), nchar)
 }
 #[inline]
-pub unsafe fn IsCharSpaceA(wch: u8) -> super::super::Foundation::BOOL {
-    ::windows_targets::link!("shlwapi.dll" "system" fn IsCharSpaceA(wch : u8) -> super::super::Foundation:: BOOL);
+pub unsafe fn IsCharSpaceA(wch: i8) -> super::super::Foundation::BOOL {
+    ::windows_targets::link!("shlwapi.dll" "system" fn IsCharSpaceA(wch : i8) -> super::super::Foundation:: BOOL);
     IsCharSpaceA(wch)
 }
 #[inline]
@@ -4632,8 +4632,8 @@ where
     SHStrDupW(psz.into_param().abi(), &mut result__).from_abi(result__)
 }
 #[inline]
-pub unsafe fn SHStripMneumonicA(pszmenu: ::windows_core::PSTR) -> u8 {
-    ::windows_targets::link!("shlwapi.dll" "system" fn SHStripMneumonicA(pszmenu : ::windows_core::PSTR) -> u8);
+pub unsafe fn SHStripMneumonicA(pszmenu: ::windows_core::PSTR) -> i8 {
+    ::windows_targets::link!("shlwapi.dll" "system" fn SHStripMneumonicA(pszmenu : ::windows_core::PSTR) -> i8);
     SHStripMneumonicA(::core::mem::transmute(pszmenu))
 }
 #[inline]
@@ -41989,7 +41989,7 @@ impl ::core::default::Default for DROPFILES {
 #[repr(C, packed(1))]
 pub struct EXP_DARWIN_LINK {
     pub dbh: DATABLOCK_HEADER,
-    pub szDarwinID: [u8; 260],
+    pub szDarwinID: [i8; 260],
     pub szwDarwinID: [u16; 260],
 }
 impl ::core::marker::Copy for EXP_DARWIN_LINK {}
@@ -42051,7 +42051,7 @@ impl ::core::default::Default for EXP_SPECIAL_FOLDER {
 pub struct EXP_SZ_LINK {
     pub cbSize: u32,
     pub dwSignature: u32,
-    pub szTarget: [u8; 260],
+    pub szTarget: [i8; 260],
     pub swzTarget: [u16; 260],
 }
 impl ::core::marker::Copy for EXP_SZ_LINK {}
@@ -42111,7 +42111,7 @@ pub struct FILEDESCRIPTORA {
     pub ftLastWriteTime: super::super::Foundation::FILETIME,
     pub nFileSizeHigh: u32,
     pub nFileSizeLow: u32,
-    pub cFileName: [u8; 260],
+    pub cFileName: [i8; 260],
 }
 impl ::core::marker::Copy for FILEDESCRIPTORA {}
 impl ::core::clone::Clone for FILEDESCRIPTORA {
@@ -42344,7 +42344,7 @@ pub struct HELPWININFOA {
     pub dx: i32,
     pub dy: i32,
     pub wMax: i32,
-    pub rgchMember: [u8; 2],
+    pub rgchMember: [i8; 2],
 }
 impl ::core::marker::Copy for HELPWININFOA {}
 impl ::core::clone::Clone for HELPWININFOA {
@@ -42616,8 +42616,8 @@ impl ::core::default::Default for KNOWNFOLDER_DEFINITION {
 #[repr(C)]
 pub struct MULTIKEYHELPA {
     pub mkSize: u32,
-    pub mkKeylist: u8,
-    pub szKeyphrase: [u8; 1],
+    pub mkKeylist: i8,
+    pub szKeyphrase: [i8; 1],
 }
 impl ::core::marker::Copy for MULTIKEYHELPA {}
 impl ::core::clone::Clone for MULTIKEYHELPA {
@@ -42724,9 +42724,9 @@ pub struct NEWCPLINFOA {
     pub dwHelpContext: u32,
     pub lData: isize,
     pub hIcon: super::WindowsAndMessaging::HICON,
-    pub szName: [u8; 32],
-    pub szInfo: [u8; 64],
-    pub szHelpFile: [u8; 128],
+    pub szName: [i8; 32],
+    pub szInfo: [i8; 64],
+    pub szHelpFile: [i8; 128],
 }
 #[cfg(feature = "Win32_UI_WindowsAndMessaging")]
 impl ::core::marker::Copy for NEWCPLINFOA {}
@@ -42788,12 +42788,12 @@ pub struct NOTIFYICONDATAA {
     pub uFlags: NOTIFY_ICON_DATA_FLAGS,
     pub uCallbackMessage: u32,
     pub hIcon: super::WindowsAndMessaging::HICON,
-    pub szTip: [u8; 128],
+    pub szTip: [i8; 128],
     pub dwState: NOTIFY_ICON_STATE,
     pub dwStateMask: u32,
-    pub szInfo: [u8; 256],
+    pub szInfo: [i8; 256],
     pub Anonymous: NOTIFYICONDATAA_0,
-    pub szInfoTitle: [u8; 64],
+    pub szInfoTitle: [i8; 64],
     pub dwInfoFlags: NOTIFY_ICON_INFOTIP_FLAGS,
     pub guidItem: ::windows_core::GUID,
     pub hBalloonIcon: super::WindowsAndMessaging::HICON,
@@ -42861,12 +42861,12 @@ pub struct NOTIFYICONDATAA {
     pub uFlags: NOTIFY_ICON_DATA_FLAGS,
     pub uCallbackMessage: u32,
     pub hIcon: super::WindowsAndMessaging::HICON,
-    pub szTip: [u8; 128],
+    pub szTip: [i8; 128],
     pub dwState: NOTIFY_ICON_STATE,
     pub dwStateMask: u32,
-    pub szInfo: [u8; 256],
+    pub szInfo: [i8; 256],
     pub Anonymous: NOTIFYICONDATAA_0,
-    pub szInfoTitle: [u8; 64],
+    pub szInfoTitle: [i8; 64],
     pub dwInfoFlags: NOTIFY_ICON_INFOTIP_FLAGS,
     pub guidItem: ::windows_core::GUID,
     pub hBalloonIcon: super::WindowsAndMessaging::HICON,
@@ -44763,8 +44763,8 @@ pub struct SHFILEINFOA {
     pub hIcon: super::WindowsAndMessaging::HICON,
     pub iIcon: i32,
     pub dwAttributes: u32,
-    pub szDisplayName: [u8; 260],
-    pub szTypeName: [u8; 80],
+    pub szDisplayName: [i8; 260],
+    pub szTypeName: [i8; 80],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 #[cfg(feature = "Win32_UI_WindowsAndMessaging")]
@@ -44796,8 +44796,8 @@ pub struct SHFILEINFOA {
     pub hIcon: super::WindowsAndMessaging::HICON,
     pub iIcon: i32,
     pub dwAttributes: u32,
-    pub szDisplayName: [u8; 260],
-    pub szTypeName: [u8; 80],
+    pub szDisplayName: [i8; 260],
+    pub szTypeName: [i8; 80],
 }
 #[cfg(target_arch = "x86")]
 #[cfg(feature = "Win32_UI_WindowsAndMessaging")]
diff --git a/crates/libs/windows/src/Windows/Win32/UI/WindowsAndMessaging/mod.rs b/crates/libs/windows/src/Windows/Win32/UI/WindowsAndMessaging/mod.rs
index adf5af305d..090fb93637 100644
--- a/crates/libs/windows/src/Windows/Win32/UI/WindowsAndMessaging/mod.rs
+++ b/crates/libs/windows/src/Windows/Win32/UI/WindowsAndMessaging/mod.rs
@@ -1732,13 +1732,13 @@ where
     InternalGetWindowText(hwnd.into_param().abi(), ::core::mem::transmute(pstring.as_ptr()), pstring.len().try_into().unwrap())
 }
 #[inline]
-pub unsafe fn IsCharAlphaA(ch: u8) -> ::windows_core::Result<()> {
-    ::windows_targets::link!("user32.dll" "system" fn IsCharAlphaA(ch : u8) -> super::super::Foundation:: BOOL);
+pub unsafe fn IsCharAlphaA(ch: i8) -> ::windows_core::Result<()> {
+    ::windows_targets::link!("user32.dll" "system" fn IsCharAlphaA(ch : i8) -> super::super::Foundation:: BOOL);
     IsCharAlphaA(ch).ok()
 }
 #[inline]
-pub unsafe fn IsCharAlphaNumericA(ch: u8) -> ::windows_core::Result<()> {
-    ::windows_targets::link!("user32.dll" "system" fn IsCharAlphaNumericA(ch : u8) -> super::super::Foundation:: BOOL);
+pub unsafe fn IsCharAlphaNumericA(ch: i8) -> ::windows_core::Result<()> {
+    ::windows_targets::link!("user32.dll" "system" fn IsCharAlphaNumericA(ch : i8) -> super::super::Foundation:: BOOL);
     IsCharAlphaNumericA(ch).ok()
 }
 #[inline]
@@ -1752,13 +1752,13 @@ pub unsafe fn IsCharAlphaW(ch: u16) -> ::windows_core::Result<()> {
     IsCharAlphaW(ch).ok()
 }
 #[inline]
-pub unsafe fn IsCharLowerA(ch: u8) -> ::windows_core::Result<()> {
-    ::windows_targets::link!("user32.dll" "system" fn IsCharLowerA(ch : u8) -> super::super::Foundation:: BOOL);
+pub unsafe fn IsCharLowerA(ch: i8) -> ::windows_core::Result<()> {
+    ::windows_targets::link!("user32.dll" "system" fn IsCharLowerA(ch : i8) -> super::super::Foundation:: BOOL);
     IsCharLowerA(ch).ok()
 }
 #[inline]
-pub unsafe fn IsCharUpperA(ch: u8) -> ::windows_core::Result<()> {
-    ::windows_targets::link!("user32.dll" "system" fn IsCharUpperA(ch : u8) -> super::super::Foundation:: BOOL);
+pub unsafe fn IsCharUpperA(ch: i8) -> ::windows_core::Result<()> {
+    ::windows_targets::link!("user32.dll" "system" fn IsCharUpperA(ch : i8) -> super::super::Foundation:: BOOL);
     IsCharUpperA(ch).ok()
 }
 #[inline]
@@ -8169,7 +8169,7 @@ pub struct DEV_BROADCAST_DEVICEINTERFACE_A {
     pub dbcc_devicetype: u32,
     pub dbcc_reserved: u32,
     pub dbcc_classguid: ::windows_core::GUID,
-    pub dbcc_name: [u8; 1],
+    pub dbcc_name: [i8; 1],
 }
 impl ::core::marker::Copy for DEV_BROADCAST_DEVICEINTERFACE_A {}
 impl ::core::clone::Clone for DEV_BROADCAST_DEVICEINTERFACE_A {
@@ -8471,7 +8471,7 @@ pub struct DEV_BROADCAST_PORT_A {
     pub dbcp_size: u32,
     pub dbcp_devicetype: u32,
     pub dbcp_reserved: u32,
-    pub dbcp_name: [u8; 1],
+    pub dbcp_name: [i8; 1],
 }
 impl ::core::marker::Copy for DEV_BROADCAST_PORT_A {}
 impl ::core::clone::Clone for DEV_BROADCAST_PORT_A {
@@ -9117,8 +9117,8 @@ pub struct ICONINFOEXA {
     pub hbmMask: super::super::Graphics::Gdi::HBITMAP,
     pub hbmColor: super::super::Graphics::Gdi::HBITMAP,
     pub wResID: u16,
-    pub szModName: [u8; 260],
-    pub szResName: [u8; 260],
+    pub szModName: [i8; 260],
+    pub szResName: [i8; 260],
 }
 #[cfg(feature = "Win32_Graphics_Gdi")]
 impl ::core::marker::Copy for ICONINFOEXA {}
@@ -11112,7 +11112,7 @@ impl ::core::default::Default for _DEV_BROADCAST_HEADER {
 #[repr(C)]
 pub struct _DEV_BROADCAST_USERDEFINED {
     pub dbud_dbh: DEV_BROADCAST_HDR,
-    pub dbud_szName: [u8; 1],
+    pub dbud_szName: [i8; 1],
 }
 impl ::core::marker::Copy for _DEV_BROADCAST_USERDEFINED {}
 impl ::core::clone::Clone for _DEV_BROADCAST_USERDEFINED {
diff --git a/crates/tests/standalone/src/b_arch.rs b/crates/tests/standalone/src/b_arch.rs
index fe38d8ebab..4c633c6577 100644
--- a/crates/tests/standalone/src/b_arch.rs
+++ b/crates/tests/standalone/src/b_arch.rs
@@ -20,8 +20,8 @@ pub struct WSADATA {
     pub iMaxSockets: u16,
     pub iMaxUdpDg: u16,
     pub lpVendorInfo: PSTR,
-    pub szDescription: [u8; 257],
-    pub szSystemStatus: [u8; 129],
+    pub szDescription: [i8; 257],
+    pub szSystemStatus: [i8; 129],
 }
 #[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
 impl ::core::marker::Copy for WSADATA {}
@@ -36,8 +36,8 @@ impl ::core::clone::Clone for WSADATA {
 pub struct WSADATA {
     pub wVersion: u16,
     pub wHighVersion: u16,
-    pub szDescription: [u8; 257],
-    pub szSystemStatus: [u8; 129],
+    pub szDescription: [i8; 257],
+    pub szSystemStatus: [i8; 129],
     pub iMaxSockets: u16,
     pub iMaxUdpDg: u16,
     pub lpVendorInfo: PSTR,
diff --git a/crates/tests/standalone/src/b_depends.rs b/crates/tests/standalone/src/b_depends.rs
index 52eb3b5429..fa524d78ec 100644
--- a/crates/tests/standalone/src/b_depends.rs
+++ b/crates/tests/standalone/src/b_depends.rs
@@ -56,7 +56,7 @@ pub type PSTR = *mut u8;
 #[repr(C)]
 pub struct SOCKADDR {
     pub sa_family: ADDRESS_FAMILY,
-    pub sa_data: [u8; 14],
+    pub sa_data: [i8; 14],
 }
 impl ::core::marker::Copy for SOCKADDR {}
 impl ::core::clone::Clone for SOCKADDR {