Type Definition winapi::um::threadpoolapiset::PTP_WIN32_IO_CALLBACK

type PTP_WIN32_IO_CALLBACK = Option<unsafe extern "system" fn(Instance: PTP_CALLBACK_INSTANCE, Context: PVOID, Overlapped: PVOID, IoResult: ULONG, NumberOfBytesTransferred: ULONG_PTR, Io: PTP_IO)>;