388     struct ifreq ifr;  in get_first_ethernet()  local
436 	memset(&ifr, 0, sizeof(ifr));  in get_first_ethernet()
437 	strncpy(ifr.ifr_name, pifreq->ifr_name, sizeof(ifr.ifr_name));  in get_first_ethernet()
438 	if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {  in get_first_ethernet()
444 	fl = ifr.ifr_flags;  in get_first_ethernet()
457 	strncpy(first_ether_name, ifr.ifr_name, sizeof(first_ether_name));  in get_first_ethernet()
576     struct ifreq ifr;  in sys_init()  local
701     memset(&ifr, 0, sizeof(ifr));  in sys_init()
702     sprintf(ifr.ifr_name, "%s", ifname);  in sys_init()
703     ifr.ifr_ip_muxid = ipmuxid;  in sys_init()
712     if (ioctl(ipfd, SIOCSIFMUXID, &ifr) < 0) {  in sys_init()
758     slprintf(ifr.ifr_name, sizeof(ifr.ifr_name), PPP_DRV_NAME "%d", ifunit);  in sys_init()
759     ifr.ifr_metric = ipmuxid;  in sys_init()
760     if (strioctl(ipfd, SIOCSIFNAME, (char *)&ifr, sizeof ifr, 0) < 0)  in sys_init()
761 	fatal("Can't set interface name %s: %m", ifr.ifr_name);  in sys_init()
776     struct ifreq ifr;  in sys_cleanup()  local
797     memset(&ifr, 0, sizeof(ifr));  in sys_cleanup()
798     sprintf(ifr.ifr_name, "%s", ifname);  in sys_cleanup()
799     if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {  in sys_cleanup()
804     if (ioctl(ipfd, SIOCGIFMUXID, &ifr) < 0) {  in sys_cleanup()
809     ipmuxid = ifr.ifr_ip_muxid;  in sys_cleanup()
1508     struct ifreq ifr;  local
1514     memset(&ifr, 0, sizeof(ifr));
1515     strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1516     ifr.ifr_metric = link_mtu;
1517     if (ioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
1518 	error("Couldn't set IP MTU (%s): %m", ifr.ifr_name);
1531 	error("Couldn't set IPv6 MTU (%s): %m", ifr.ifr_name);
1769     struct ifreq ifr;  local
1771     strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1772     if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
1776     ifr.ifr_flags |= IFF_UP;
1777     if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
1792     struct ifreq ifr;  local
1796     strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1797     if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
1801     ifr.ifr_flags &= ~IFF_UP;
1802     if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
1973     struct ifreq ifr;  local
1976     memset(&ifr, 0, sizeof(ifr));
1977     strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1978     ifr.ifr_addr.sa_family = AF_INET;
1979     INET_ADDR(ifr.ifr_addr) = m;
1980     if (ioctl(ipfd, SIOCSIFNETMASK, &ifr) < 0) {
1984     ifr.ifr_addr.sa_family = AF_INET;
1985     INET_ADDR(ifr.ifr_addr) = o;
1986     if (ioctl(ipfd, SIOCSIFADDR, &ifr) < 0) {
1995     if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) >= 0
1996 	&& (ifr.ifr_flags & IFF_POINTOPOINT) == 0) {
1997 	ifr.ifr_flags |= IFF_POINTOPOINT;
1998 	if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
2003     ifr.ifr_dstaddr.sa_family = AF_INET;
2004     INET_ADDR(ifr.ifr_dstaddr) = h;
2005     if (ioctl(ipfd, SIOCSIFDSTADDR, &ifr) < 0) {
2155     struct ifreq *ifr, *ifend, ifreq;  local
2177     for (ifr = ifc.ifc_req; ifr < ifend; ++ifr) {
2178 	if (ifr->ifr_addr.sa_family != AF_INET)
2183 	strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
2195 	ina = INET_ADDR(ifr->ifr_addr);
2201     if (ifr >= ifend) {
2207     info("found interface %s for proxy ARP", ifr->ifr_name);
2208     if (!get_hw_addr(ifr->ifr_name, ina, hwaddr)) {
2209 	error("Couldn't get hardware address for %s", ifr->ifr_name);
2398     struct ifreq *ifr, *ifend, ifreq;  local
2429     for (ifr = ifc.ifc_req; ifr < ifend; ++ifr) {
2433 	if (ifr->ifr_addr.sa_family != AF_INET)
2435 	ina = INET_ADDR(ifr->ifr_addr);
2441 	strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));