+ int doDaemon = 1;
+ int opt;
+ struct in_addr lisAddress = { .s_addr = htonl(INADDR_ANY) };
+
+ while ((opt = getopt(argc, argv, "dl:")) != -1) {
+ switch (opt) {
+ case 'd':
+ doDaemon = 0;
+ break;
+ case 'l':
+ if (inet_pton(AF_INET, optarg, &lisAddress) <= 0) {
+ fprintf(stderr, "`%s' is not a valid address\n", optarg);
+ exit(-1);
+ }
+ break;
+ default:
+ fprintf(stderr, "Usage: %s [-d] [-l <listening address>]\n", argv[0]);
+ exit(-1);
+ }
+ }