pub const OVERLAPPED = extern struct {
    Internal: ULONG_PTR,
    InternalHigh: ULONG_PTR,
    DUMMYUNIONNAME: extern union {
        DUMMYSTRUCTNAME: extern struct {
            Offset: DWORD,
            OffsetHigh: DWORD,
        },
        Pointer: ?PVOID,
    },
    hEvent: ?HANDLE,
}