Use positional-only parameters for ctypes functions (#12341)

stdlib/@tests/stubtest_allowlists/py313.txt

@@ -3,11 +3,6 @@
 # =========================
 
 # TODO: triage these new errors
-_ctypes.POINTER
-_ctypes.addressof
-_ctypes.alignment
-_ctypes.pointer
-_ctypes.sizeof
 _thread.interrupt_main
 _thread.lock
 _thread.start_joinable_thread
@@ -18,21 +13,16 @@ codecs.namereplace_errors
 codecs.replace_errors
 codecs.strict_errors
 codecs.xmlcharrefreplace_errors
-ctypes.POINTER
 ctypes._endian.DEFAULT_MODE
 ctypes._endian.RTLD_GLOBAL
 ctypes._endian.RTLD_LOCAL
 ctypes._endian.SIZEOF_TIME_T
 ctypes._endian.cdll
 ctypes._endian.pydll
 ctypes._endian.pythonapi
-ctypes.addressof
-ctypes.alignment
 ctypes.c_char_p.from_param
 ctypes.c_void_p.from_param
 ctypes.c_wchar_p.from_param
-ctypes.pointer
-ctypes.sizeof
 ctypes.wintypes.PCHAR.from_param
 ctypes.wintypes.PWCHAR.from_param
 doctest.TestResults.__doc__

stdlib/_ctypes.pyi

@@ -64,7 +64,6 @@ class _CData(metaclass=_CDataMeta):
     # Structure.from_buffer(...)  # valid at runtime
     # Structure(...).from_buffer(...)  # invalid at runtime
     #
-
     @classmethod
     def from_buffer(cls, source: WriteableBuffer, offset: int = ...) -> Self: ...
     @classmethod
@@ -100,8 +99,8 @@ class _Pointer(_PointerLike, _CData, Generic[_CT]):
     def __getitem__(self, key: slice, /) -> list[Any]: ...
     def __setitem__(self, key: int, value: Any, /) -> None: ...
 
-def POINTER(type: type[_CT]) -> type[_Pointer[_CT]]: ...
-def pointer(arg: _CT, /) -> _Pointer[_CT]: ...
+def POINTER(type: type[_CT], /) -> type[_Pointer[_CT]]: ...
+def pointer(obj: _CT, /) -> _Pointer[_CT]: ...
 
 class _CArgObject: ...
 
@@ -203,9 +202,9 @@ class Array(_CData, Generic[_CT]):
     if sys.version_info >= (3, 9):
         def __class_getitem__(cls, item: Any, /) -> GenericAlias: ...
 
-def addressof(obj: _CData) -> int: ...
-def alignment(obj_or_type: _CData | type[_CData]) -> int: ...
+def addressof(obj: _CData, /) -> int: ...
+def alignment(obj_or_type: _CData | type[_CData], /) -> int: ...
 def get_errno() -> int: ...
-def resize(obj: _CData, size: int) -> None: ...
-def set_errno(value: int) -> int: ...
-def sizeof(obj_or_type: _CData | type[_CData]) -> int: ...
+def resize(obj: _CData, size: int, /) -> None: ...
+def set_errno(value: int, /) -> int: ...
+def sizeof(obj_or_type: _CData | type[_CData], /) -> int: ...