subroutine czdummy
      entry czopen
      entry czclos
      entry czputa
      entry czgeta
      entry czputc
      entry czgetc
      entry cztcp
      entry CONNECT
      entry GETHOSTBYNAME
      entry GETSERVBYNAME
      entry HTONS
      entry INET_ADDR
      entry RECV
      entry SELECT
      entry SEND
      entry SETSOCKOPT
      entry SHUTDOWN
      entry SOCKET
      entry MULTINET_CONNECT
      entry MULTINET_GETHOSTBYNAME
      entry MULTINET_GETSERVBYNAME
      entry MULTINET_HTONS
      entry MULTINET_INET_ADDR
      entry MULTINET_RECV
      entry MULTINET_SELECT
      entry MULTINET_SEND
      entry MULTINET_SETSOCKOPT
      entry MULTINET_SOCKET
      entry multinet_get_socket_errno_addr
      entry socket_close
      entry socket_ioctl
      entry socket_perror
      end