al_get_new_display_refresh_rate(3) al_get_new_display_refresh_rate(3)

al_get_new_display_refresh_rate - Allegro 5 API

#include <allegro5/allegro.h>
int al_get_new_display_refresh_rate(void)

Get the requested refresh rate to be used when creating new displays on the calling thread.

al_set_new_display_refresh_rate(3)

Allegro reference manual