247     int i, n, sock4, sock6 = -1;  in get_net_ifs()  local
260     sock4 = socket(AF_INET, SOCK_DGRAM, 0);  in get_net_ifs()
261     if (sock4 != -1 && ioctl(sock4, SIOCGIFNUM, &n) != -1) {  in get_net_ifs()
274 	if (ioctl(sock4, SIOCGIFCONF, &ifconf) < 0) {  in get_net_ifs()
296 	if (ioctl(sock4, SIOCGLIFCONF, &laddrconf) < 0) {  in get_net_ifs()
349 	if (ioctl(sock4, SIOCGIFFLAGS, ifr) < 0) {  in get_net_ifs()
359 	if (ioctl(sock4, SIOCGIFNETMASK, ifr) < 0) {  in get_net_ifs()
454     if (sock4 != -1)  in get_net_ifs()
455 	close(sock4);  in get_net_ifs()
478     int i, n, sock, sock4, sock6 = -1;  in get_net_ifs()  local
488     sock4 = socket(AF_INET, SOCK_DGRAM, 0);  in get_net_ifs()
490     if (sock4 == -1 && sock6 == -1)  in get_net_ifs()
494     sock = sock6 != -1 ? sock6 : sock4;  in get_net_ifs()
558 	    sock = sock4;  in get_net_ifs()
640     if (sock4 != -1)  in get_net_ifs()
641 	close(sock4);  in get_net_ifs()
667     int i, n, sock, sock4, sock6 = -1;  in get_net_ifs()  local
676     sock4 = socket(AF_INET, SOCK_DGRAM, 0);  in get_net_ifs()
680     if (sock4 == -1 && sock6 == -1)  in get_net_ifs()
684     sock = sock6 != -1 ? sock6 : sock4;  in get_net_ifs()
786 	    sock = sock4;  in get_net_ifs()
871     if (sock4 != -1)  in get_net_ifs()
872         close(sock4);  in get_net_ifs()