retcode = socket ( family, type, protocol ) ;
retcode = accept ( socket, addr, addrlen ) ;
retcode = bind ( socket, localaddr, addrlen ) ;
retcode = close ( socket ) ;
retcode = connect ( socket, addr, addrlen ) ;
retcode = fork () ;
retcode = gethostbyaddr ( addr, len, type ) ;
retcode = gethostbyname ( name )
hostid = gethostid () ;
retcode = gethostname ( name, namelen ) ;
retcode = getpeername ( socket, remaddr, addrlen ) ;
retcode = getprotobyname ( name ) ;
retcode = getservbyname ( name, proto ) ;
retcode = getsockname (socket, name, namelen)
retcode = getsockopt ( socket, level, opt, optval, optlen ) ;
retcode = gettimeofday ( tm, tmzone ) ;
retcode = listen ( socket, queuelen ) ;
retcode = read ( socket, buff, buflen ) ;
retcode = recv ( socket, buffer, length, flags ) ;
de = recvfrom ( socket, buffer, length, flags, from , fromlen ) ;
retcode = recvmsg ( socket, msg, flags ) ;
retcode = select ( numfds, refds, wrfds, exfds, time ) ;
retcode = send ( socket, msg, msglen, flags ) ;
retcode = sendmsg ( socket, msg, flags ) ;
retcode = sendto ( socket, msg, msglen, flags, to, tolen ) ;
(void) sethostid ( hostid ) ;
retcode = setsockopt ( socket, level, opt, optval, optlen ) ;
retcode = shutdown ( socket, direction ) ;
retcode = write ( socket, buff, buflen ) ;

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