void avahi_query_scheduler_free(AvahiQueryScheduler *s);
void avahi_query_scheduler_clear(AvahiQueryScheduler *s);
-int avahi_query_scheduler_post(AvahiQueryScheduler *s, AvahiKey *key, int immediately);
+int avahi_query_scheduler_post(AvahiQueryScheduler *s, AvahiKey *key, int immediately, unsigned *ret_id);
+int avahi_query_scheduler_withdraw_by_id(AvahiQueryScheduler *s, unsigned id);
void avahi_query_scheduler_incoming(AvahiQueryScheduler *s, AvahiKey *key);
#endif