lock_bitmap(3) Allegro manual lock_bitmap(3)NAMElock_bitmap - Locks the memory used by a bitmap. Allegro game programā
ming library.
SYNOPSIS
#include <allegro.h>
void lock_bitmap(BITMAP *bitmap);
DESCRIPTION
Under DOS, locks all the memory used by a bitmap. You don't normally
need to call this function unless you are doing very weird things in
your program.
Allegro version 4.4.2 lock_bitmap(3)