+ //Command line arguments
+ int opt;
+ while((opt = getopt(argc, argv, "hp:")) != -1){
+ switch(opt){
+ case 'p':
+ port = atoi(optarg);
+ if(port < 1)
+ die("Port numbers are > 1\n");
+ break;
+ case 'h':
+ usage(stdout, argv[0]);
+ exit(EXIT_SUCCESS);
+ default:
+ usage(stderr, argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ }
+