IPV6_V6ONLY 299 source4/heimdal/lib/roken/socket.c #if defined(IPV6_V6ONLY) && defined(HAVE_SETSOCKOPT) IPV6_V6ONLY 300 source4/heimdal/lib/roken/socket.c setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&val, sizeof(val));