Man pages matching name al_wait_for_event_until in section 3alleg5:

al_wait_for_event_until.3alleg5.en	debian 10 / allegro5-doc
al_wait_for_event_until.3alleg5.en	debian 11 / allegro5-doc
al_wait_for_event_until.3alleg5.en	debian 12 / allegro5-doc