DOKK / manpages / debian 10 / allegro5-doc / al_is_bitmap_locked.3alleg5.en
al_is_bitmap_locked(3alleg5) al_is_bitmap_locked(3alleg5)

al_is_bitmap_locked - Allegro 5 API

#include <allegro5/allegro.h>
bool al_is_bitmap_locked(ALLEGRO_BITMAP *bitmap)
    

Returns whether or not a bitmap is already locked.

al_lock_bitmap(3alleg5), al_lock_bitmap_region(3alleg5), al_unlock_bitmap(3alleg5)

Allegro reference manual