sbin/ifconfig/af_nd6.c

98 	struct in6_ndifreq ndifreq;
102 	memset(&ndifreq, 0, sizeof(ndifreq));
103 	strncpy(ndifreq.ifname, ifr.ifr_name, sizeof(ndifreq.ifname));
111 	} else if ((ifindex = if_nametoindex(ndifreq.ifname)) == 0) {
112 		warn("if_nametoindex(%s)", ndifreq.ifname);
116 	ndifreq.ifindex = ifindex;
117 	error = ioctl(s, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq);
125 	struct in6_ndifreq ndifreq;
129 	memset(&ndifreq, 0, sizeof(ndifreq));
130 	strncpy(ndifreq.ifname, ifr.ifr_name, sizeof(ndifreq.ifname));
132 	ifindex = if_nametoindex(ndifreq.ifname);
133 	error = ioctl(s, SIOCGDEFIFACE_IN6, (caddr_t)&ndifreq);
138 	return (ndifreq.ifindex == ifindex);