---
name: "is_system_bitmap"
section: "3alleg4"
platform: "linux"
package: "allegro4-doc"
version: "2:4.4.3.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/is_system_bitmap/3alleg4"
---

# is\_system\_bitmap(3alleg4)

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

## 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)