_ctypes: add stubs (#8582)

Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
Co-authored-by: hauntsaninja <hauntsaninja@gmail.com>

stdlib/_ctypes.pyi

@@ -0,0 +1,16 @@
+import sys
+from ctypes import _CArgObject, _PointerLike
+from typing_extensions import TypeAlias
+
+if sys.platform == "win32":
+    # Description, Source, HelpFile, HelpContext, scode
+    _COMError_Details: TypeAlias = tuple[str | None, str | None, str | None, int | None, int | None]
+
+    class COMError(Exception):
+        hresult: int
+        text: str | None
+        details: _COMError_Details
+
+        def __init__(self, hresult: int, text: str | None, details: _COMError_Details) -> None: ...
+
+    def CopyComPointer(src: _PointerLike, dst: _PointerLike | _CArgObject) -> int: ...