Lines Matching refs: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;