is_screen_bitmap - Tells if a bitmap is the screen bitmap or sub

NAME

       is_screen_bitmap  -  Tells  if  a  bitmap  is  the screen bitmap or sub
       bitmap. Allegro game programming library.

       #include <allegro.h>

       int is_screen_bitmap(BITMAP *bmp);

       Returns TRUE if bmp is the  screen  bitmap,  or  a  sub-bitmap  of  the
       screen.