z/OS Communications Server: IP IMS Sockets Guide
SC27-3653-00
SOC-FUNCTION
A 16-byte character field containing ACCEPT. Left-align the field
and pad it on the right with blanks.
S
A halfword binary number specifying
the descriptor of a socket that was previously created with a SOCKET
call. In a concurrent server, this is the socket upon which the server
listens.