bmp_unwrite_line - Direct access bank switching line release. Allegro game programming library.
Synopsis
#include <allegro.h>
void bmp_unwrite_line(BITMAP *bmp);
Description
Releases the bitmap memory after you are finished with it. You only need to call this once at the end of a
drawing operation, even if you have called bmp_write_line() or bmp_read_line() several times before it.