socket-descriptor

Specifies the name of a fullword field containing the socket descriptor on which to send.

buffer

Specifies the name of the area containing the data to be sent.

buffer-length

Specifies the name of a fullword field containing the length of the buffer. buffer-length can be specified as an absolute expression.

sent-length

Specifies the name of a fullword field in which the actual length of the data sent is returned.