- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_ifindex = iface->index;
-
- err = ioctl(sk, SIOCGIFNAME, &ifr);
-
- close(sk);
-
- if (err < 0)
- return -1;
-
- DBG("ifname %s", ifr.ifr_name);
-
- snprintf(cmd, sizeof(cmd), "resolvconf -d %s", ifr.ifr_name);