man release_bitmap () - Releases a previously locked bitmap. Allegro game programming library.
NAME
release_bitmap - Releases a previously locked bitmap. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
void release_bitmap(BITMAP *bmp);
DESCRIPTION
Releases a bitmap that was previously locked by calling acquire_bitmap(). If the bitmap was locked multiple times, you must release it the same number of times before it will truly be unlocked.