1380 	struct in6_ndifreq ndifreq;  in setdefif()  local
1394 	strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */  in setdefif()
1395 	ndifreq.ifindex = ifindex;  in setdefif()
1397 	if (ioctl(sock, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq) < 0)  in setdefif()
1406 	struct in6_ndifreq ndifreq;  in getdefif()  local
1413 	memset(&ndifreq, 0, sizeof(ndifreq));  in getdefif()
1414 	strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */  in getdefif()
1416 	if (ioctl(sock, SIOCGDEFIFACE_IN6, (caddr_t)&ndifreq) < 0)  in getdefif()
1419 	if (ndifreq.ifindex == 0)  in getdefif()
1422 		if ((if_indextoname(ndifreq.ifindex, ifname)) == NULL)  in getdefif()
1424 			    ndifreq.ifindex);  in getdefif()