Function ws2_32::WSASend

pub unsafe extern "system" fn WSASend(
    s: SOCKET, 
    lpBuffers: LPWSABUF, 
    dwBufferCount: DWORD, 
    lpNumberOfBytesSent: LPDWORD, 
    dwFlags: DWORD, 
    lpOverlapped: LPWSAOVERLAPPED, 
    lpCompletionRoutine: LPWSAOVERLAPPED_COMPLETION_ROUTINE
) -> c_int