int silc_net_create_server(int port, char *ip_addr);
DESCRIPTION
This function creates server or daemon or listener or what ever. This
does not fork a new process, it must be done by the caller if caller
wants to create a child process. This is used by the SILC server.
If argument `ip_addr' is NULL `any' address will be used. Returns
the created socket or -1 on error.