-void avahi_interface_post_query(AvahiInterface *i, AvahiKey *k, gboolean immediately);
-void avahi_interface_post_probe(AvahiInterface *i, AvahiRecord *p, gboolean immediately);
-void avahi_interface_post_response(AvahiInterface *i, const AvahiAddress *a, AvahiRecord *record, gboolean flush_cache, gboolean immediately);
+gboolean avahi_interface_post_query(AvahiInterface *i, AvahiKey *k, gboolean immediately);
+gboolean avahi_interface_post_response(AvahiInterface *i, AvahiRecord *record, gboolean flush_cache, const AvahiAddress *querier, gboolean immediately);
+gboolean avahi_interface_post_probe(AvahiInterface *i, AvahiRecord *p, gboolean immediately);