extern int afb_evt_listener_watch_evt(struct afb_evt_listener *listener, struct afb_evtid *evtid);
extern int afb_evt_listener_unwatch_evt(struct afb_evt_listener *listener, struct afb_evtid *evtid);
extern int afb_evt_listener_unwatch_id(struct afb_evt_listener *listener, uint16_t eventid);
+extern void afb_evt_listener_unwatch_all(struct afb_evt_listener *listener, int remove);
extern struct afb_event_x2 *afb_evt_event_x2_create(const char *fullname);
extern struct afb_event_x2 *afb_evt_event_x2_create2(const char *prefix, const char *name);