int option_index = 0;
for ( ;; ) {
- int c = getopt_long(argc, argv, "s:d:n:p:o", longopts, &option_index);
+ int c = getopt_long(argc, argv, "s:d:n:N:p:o", longopts, &option_index);
switch (c) {
case 's':
read_ip_list(optarg, &sources, &num_sources, &room_sources);