+ if (lport != 0) {
+ memset(&address.sin_addr, 0, sizeof(address.sin_addr));
+ address.sin_port = htons(lport);
+
+ if (bind(sfd, (struct sockaddr *) &address, sizeof(address)) < 0)
+ perror_msg_and_die("bind");
+ }
+
+ if (do_listen) {
+ socklen_t addrlen = sizeof(address);
+
+ if (listen(sfd, 1) < 0)
+ perror_msg_and_die("listen");
+
+ if ((tmpfd = accept(sfd, (struct sockaddr *) &address, &addrlen)) < 0)
+ perror_msg_and_die("accept");