Tells if clipping is on for a bitmap. allegro game programming library.
#include <allegro.h>
int get_clip_state(BITMAP *bitmap)
Returns non-zero if clipping is turned on for the specified bitmap and zero otherwise.
set_clip_rect(3alleg4), get_clip_rect(3alleg4), add_clip_rect(3alleg4), set_clip_state(3alleg4)