Type Definition winapi::um::mswsock::LPFN_WSASENDMSG

type LPFN_WSASENDMSG = Option<unsafe extern "system" fn(s: SOCKET, lpMsg: LPWSAMSG, dwFlags: DWORD, lpNumberOfBytesSent: LPDWORD, lpOverlapped: LPWSAOVERLAPPED, lpCompletionRoutine: LPWSAOVERLAPPED_COMPLETION_ROUTINE) -> INT>;