shell/iX> cat myServ.c

/* simply echo responder for under INETD; lars appel 03-may-00 */

#define _POSIX_SOURCE
#define _SOCKET_SOURCE

main() {

  char buf; int got;

  close(1); dup2(0, 1);  /* switch stdout from $STDLIST to socket */

  write(1, "Hello\r\n", 7);
  got = read(0, &buf, 1);
  if (got < 1) buf='?';

  write(1, "\r\nThanks\r\n", 10);
  write(1, &buf, 1);
  write(1, "\r\n", 2);

}

/*
  configure in /etc/services and /etc/inetd.conf

    mytest  1234/tcp
 
    mytest  stream  tcp  nowait  USER.ACCT  /ACCT/PUB/PROG  prog

  test by using telnet to connect and interface

    $ telnet my3000 1234
*/

shell/iX> c89 myServ.c -o myServ
 
shell/iX> chmod 755 myServ

shell/iX> grep myserv /etc/services

myserv      1234/tcp                 # lars appel

shell/iX> grep myserv /etc/inetd.conf

myserv       stream tcp nowait LARS.APPEL /tmp/myServ myServ

shell/iX> # remember inetd.net.sys -c

shell/iX> exit

:telnet "localhost 1234"
Telnet Client [A6500001]     (C) Hewlett-Packard Co. 1994       
Trying...
Connected to localhost.grc.hp.com.
Escape character is '^]'.
Hello
x
Thanks
x
Connection closed by foreign host.

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