Lines Matching defs:ifr
919 struct ifreq ifr;
921 memset(&ifr, 0, sizeof(ifr));
922 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
923 ifr.ifr_name[IFNAMSIZ - 1] = 0;
925 ret = ioctl(s, SIOCGIFINDEX, &ifr);
927 return (ret == -1) ? 0 : ifr.ifr_ifindex;
