Allegro 5 api
#include <allegro5/allegro.h> bool al_get_next_event(ALLEGRO_EVENT_QUEUE *queue, ALLEGRO_EVENT *ret_event)
Take the next event out of the event queue specified, and copy the contents into ret_event, returning true. The original event will be removed from the queue. If the event queue is empty, return false and the contents of ret_event are unspecified.
ALLEGRO_EVENT(3alleg5), al_peek_next_event(3alleg5), al_wait_for_event(3alleg5)