man set_zbuffer () - Makes the given Z-buffer the active one. Allegro game programming library.
NAME
set_zbuffer - Makes the given Z-buffer the active one. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
void set_zbuffer(ZBUFFER *zbuf);
DESCRIPTION
Makes the given Z-buffer be the active one. This should have been previously created with create_zbuffer().