--- /dev/null
+int main(int argc, char *argv[])
+{
+/*
+ * Variables definition
+ */
+ int list_fd, conn_fd;
+ int keepalive = 0;
+ int reuse = 0;
+ ...
+ /* create and bind socket */
+ if ( (list_fd = sockbindopt(argv[optind], "echo", 6,
+ SOCK_STREAM, reuse)) < 0) {
+ return 1;
+ }
+ ...
+ /* normal exit, never reached */
+ exit(0);
+}