cap_getaddrinfo
error = cap_getaddrinfo(capdns, optarg, NULL, &hints, &res);
error = cap_getaddrinfo(capdns, target, NULL, &hints, &res);
error = cap_getaddrinfo(capdns, gateway, NULL, &hints, &res);
if ((error = cap_getaddrinfo(capdns, argv[hops], NULL, &hints,