al_stop_timer - Man Page

#include <allegro5/allegro.h>

void al_stop_timer(ALLEGRO_TIMER *timer)

Stop the timer specified. The timer’s counter will stop incrementing and it will stop generating events. Stopping a timer that is already stopped does nothing.

al_start_timer(3), al_get_timer_started(3), al_resume_timer(3)

ALLEGRO_EVENT(3), al_resume_timer(3), al_start_timer(3).