pub unsafe fn sock_send( fd: Fd, si_data: CiovecArray<'_>, si_flags: Siflags, ) -> Result<Size, Errno>
Send a message on a socket. Note: This is similar to send in POSIX, though it also supports writing the data from multiple buffers in the manner of writev.
send
writev
si_data
si_flags
Number of bytes transmitted.