Function WSASend
pub unsafe fn WSASend(
s: SOCKET,
lpbuffers: &[WSABUF],
lpnumberofbytessent: Option<*mut u32>,
dwflags: u32,
lpoverlapped: Option<*mut OVERLAPPED>,
lpcompletionroutine: LPWSAOVERLAPPED_COMPLETION_ROUTINE,
) -> i32