bmp_unwrite_line - Direct access bank switching line release. Allegro
game programming library.
#include <allegro.h>
void bmp_unwrite_line(BITMAP *bmp);
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.
exflame(3alleg), exlights(3alleg)