-int avahi_mdns_mcast_join_ipv4(int index, int fd);
-int avahi_mdns_mcast_join_ipv6(int index, int fd);
+AvahiDnsPacket *avahi_recv_dns_packet_ipv4(gint fd, struct sockaddr_in*ret_sa, AvahiIPv4Address *ret_dest_address, gint *ret_iface, guint8 *ret_ttl);
+AvahiDnsPacket *avahi_recv_dns_packet_ipv6(gint fd, struct sockaddr_in6*ret_sa, AvahiIPv6Address *ret_dest_address, gint *ret_iface, guint8 *ret_ttl);