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from ctypes import c_void_p
from ctypes import Structure
from ctypes import Union
from ctypes.wintypes import DWORD
from ctypes.wintypes import HANDLE
# Definitions for OVERLAPPED.
# Refer: https://docs.microsoft.com/en-us/windows/win32/api/minwinbase/ns-minwinbase-overlapped
class _DummyStruct(Structure):
_fields_ = [
('Offset', DWORD),
('OffsetHigh', DWORD),
]
class _DummyUnion(Union):
_fields_ = [
('_offsets', _DummyStruct),
('Pointer', c_void_p),
]
class OVERLAPPED(Structure):
_fields_ = [
('Internal', c_void_p),
('InternalHigh', c_void_p),
('_offset_or_ptr', _DummyUnion),
('hEvent', HANDLE),
]
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