al_drop_next_event - Man Page

#include <allegro5/allegro.h>

bool al_drop_next_event(ALLEGRO_EVENT_QUEUE *queue)

Drop (remove) the next event from the queue. If the queue is empty, nothing happens. Returns true if an event was dropped.

al_flush_event_queue(3), al_is_event_queue_empty(3)

al_flush_event_queue(3), al_peek_next_event(3).