php man page for is_system_bitmap

is_system_bitmap(3alleg4)					  Allegro manual					 is_system_bitmap(3alleg4)

NAME
       is_system_bitmap - Tells if a bitmap is a system bitmap or sub bitmap. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       int is_system_bitmap(BITMAP *bmp);

DESCRIPTION
       Returns TRUE if bmp is a system bitmap object, or a sub-bitmap of one.

SEE ALSO
       create_system_bitmap(3alleg4), create_sub_bitmap(3alleg4)

Allegro 							   version 4.4.2					 is_system_bitmap(3alleg4)