- * sockfd = oserver_setup();
- * if (sockfd < 0)
- * err(1, "Failed to set up server socket");
+ * opt_register_noarg("--help|--usage|-h", opt_usage_and_exit,
+ * "\nA oserver program", "Usage information");
+ * opt_register_arg("--port", opt_set_uintval, opt_show_uintval,
+ * &port, "Server port number");