STREAM_SOCKOP_IPV6_V6ONLY  476 main/network.c 			if (sockopts & STREAM_SOCKOP_IPV6_V6ONLY) {
STREAM_SOCKOP_IPV6_V6ONLY  643 main/streams/xp_socket.c 		sockopts |= STREAM_SOCKOP_IPV6_V6ONLY;