typedef void (*AvahiTimeEventCallback)(AvahiTimeEvent *e, void* userdata);
-AvahiTimeEventQueue* avahi_time_event_queue_new(AvahiPoll *poll_api);
+AvahiTimeEventQueue* avahi_time_event_queue_new(const AvahiPoll *poll_api);
void avahi_time_event_queue_free(AvahiTimeEventQueue *q);
AvahiTimeEvent* avahi_time_event_new(