IPPROTO_IPV6      242 source4/heimdal/lib/roken/socket.c 		if (setsockopt (sock, IPPROTO_IPV6, IPV6_PORTRANGE, &on,
IPPROTO_IPV6      300 source4/heimdal/lib/roken/socket.c     setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&val, sizeof(val));