ifrsize = sizeof(ifr->ifr_name) +
(ifr->ifr_addr.sa_len > sizeof(struct sockaddr)
? ifr->ifr_addr.sa_len : sizeof(struct sockaddr));
ifrsize = sizeof(ifr->ifr_name) +
(ifr->ifr_addr.sa_len > sizeof(struct sockaddr)
? ifr->ifr_addr.sa_len : sizeof(struct sockaddr));