Provided by: allegro4-doc_4.4.3.1-4.1build3_all bug

NAME

       lock_bitmap - Locks the memory used by a bitmap. Allegro game programming 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.