[ntcore] Add missing multi-subscribe C API functions

Also export recently added C API functions.

ntcore/src/main/native/cpp/ntcore_c.cpp

@@ -407,6 +407,21 @@ NT_Topic NT_GetTopicFromHandle(NT_Handle pubsubentry) {
   return nt::GetTopicFromHandle(pubsubentry);
 }
 
+NT_MultiSubscriber NT_SubscribeMultiple(
+    NT_Inst inst, const struct WPI_String* prefixes, size_t prefixes_len,
+    const struct NT_PubSubOptions* options) {
+  wpi::SmallVector<std::string_view, 8> p;
+  p.resize_for_overwrite(prefixes_len);
+  for (size_t i = 0; i < prefixes_len; ++i) {
+    p[i] = wpi::to_string_view(&prefixes[i]);
+  }
+  return nt::SubscribeMultiple(inst, p, ConvertToCpp(options));
+}
+
+void NT_UnsubscribeMultiple(NT_MultiSubscriber sub) {
+  nt::UnsubscribeMultiple(sub);
+}
+
 /*
  * Callback Creation Functions
  */

ntcoreffi/src/main/native/symbols.txt

@@ -14,6 +14,7 @@ NT_AddPolledListener
 NT_AddPolledListenerMultiple
 NT_AddPolledListenerSingle
 NT_AddPolledLogger
+NT_AddSchema
 NT_AllocateBooleanArray
 NT_AllocateCharArray
 NT_AllocateDoubleArray
@@ -24,6 +25,7 @@ NT_CreateListenerPoller
 NT_DeleteTopicProperty
 NT_DestroyInstance
 NT_DestroyListenerPoller
+NT_Disconnect
 NT_DisposeConnectionInfoArray
 NT_DisposeEvent
 NT_DisposeEventArray
@@ -87,6 +89,7 @@ NT_GetEntryLastChange
 NT_GetEntryName
 NT_GetEntryType
 NT_GetEntryValue
+NT_GetEntryValueType
 NT_GetFloat
 NT_GetFloatArray
 NT_GetInstanceFromHandle
@@ -99,6 +102,7 @@ NT_GetString
 NT_GetStringArray
 NT_GetStringForTesting
 NT_GetTopic
+NT_GetTopicCached
 NT_GetTopicExists
 NT_GetTopicFromHandle
 NT_GetTopicInfo
@@ -133,22 +137,17 @@ NT_GetValueStringArray
 NT_GetValueStringArrayForTesting
 NT_GetValueStringForTesting
 NT_GetValueType
-WPI_InitString
-WPI_InitStringWithLength
-WPI_AllocateString
-WPI_FreeString
-WPI_AllocateStringArray
-WPI_FreeStringArray
+NT_HasSchema
 NT_InitValue
 NT_IsConnected
 NT_Meta_DecodeClientPublishers
-NT_Meta_DecodeClientSubscribers
 NT_Meta_DecodeClients
+NT_Meta_DecodeClientSubscribers
 NT_Meta_DecodeTopicPublishers
 NT_Meta_DecodeTopicSubscribers
 NT_Meta_FreeClientPublishers
-NT_Meta_FreeClientSubscribers
 NT_Meta_FreeClients
+NT_Meta_FreeClientSubscribers
 NT_Meta_FreeTopicPublishers
 NT_Meta_FreeTopicSubscribers
 NT_Now
@@ -171,6 +170,7 @@ NT_ReadQueueValuesBoolean
 NT_ReadQueueValuesDouble
 NT_ReadQueueValuesFloat
 NT_ReadQueueValuesInteger
+NT_ReadQueueValueType
 NT_Release
 NT_ReleaseEntry
 NT_RemoveListener
@@ -203,6 +203,7 @@ NT_SetServerMulti
 NT_SetServerTeam
 NT_SetString
 NT_SetStringArray
+NT_SetTopicCached
 NT_SetTopicPersistent
 NT_SetTopicProperties
 NT_SetTopicProperty
@@ -221,9 +222,13 @@ NT_StopEntryDataLog
 NT_StopLocal
 NT_StopServer
 NT_Subscribe
+NT_SubscribeMultiple
 NT_Unpublish
 NT_Unsubscribe
+NT_UnsubscribeMultiple
 NT_WaitForListenerQueue
+WPI_AllocateString
+WPI_AllocateStringArray
 WPI_CreateEvent
 WPI_CreateSemaphore
 WPI_CreateSignalObject
@@ -254,10 +259,14 @@ WPI_DataLog_Stop
 WPI_DestroyEvent
 WPI_DestroySemaphore
 WPI_DestroySignalObject
+WPI_FreeString
+WPI_FreeStringArray
 WPI_GetSystemTime
 WPI_Impl_SetupNowUseDefaultOnRio
 WPI_Impl_SetupNowRioWithSession
 WPI_Impl_ShutdownNowRio
+WPI_InitString
+WPI_InitStringWithLength
 WPI_Now
 WPI_NowDefault
 WPI_ReleaseSemaphore