ifr_ifindex 1301 ext/sockets/conversions.c ret = (unsigned)ifr.ifr_ifindex; ifr_ifindex 723 ext/sockets/multicast.c #if !defined(ifr_ifindex) && defined(ifr_index) ifr_ifindex 728 ext/sockets/multicast.c if_req.ifr_ifindex = if_index; ifr_ifindex 822 ext/sockets/multicast.c *if_index = cur_req->ifr_ifindex;