lport = atoi(optarg);
break;
default:
- usage(nc_usage);
+ show_usage();
}
}
if ((do_listen && optind != argc) || (!do_listen && optind + 2 != argc))
- usage(nc_usage);
+ show_usage();
if ((sfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
perror_msg_and_die("socket");