+#if 0
+void tcpip_get_ip(COMSTACK h, char *ip_buf)
+{
+ struct tcpip_state *sp = (tcpip_state *)h->cprivate;
+ const char *ip_addr = (const char *) (&sp->addr->sin_addr.s_addr);
+ int i;
+
+ for (i = 0; i<4; i++)
+ TRC (fprintf (stderr, "%u ", ip_addr[i]));
+ TRC (fprintf (stderr, "\n"));
+}
+#endif
+
+int tcpip_listen(COMSTACK h, char *raddr, int *addrlen,
+ int (*check_ip)(void *cd, const char *a, int len, int type),
+ void *cd)