man gui_get_screen () - Returns the bitmap surface GUI routines draw to. Allegro game programming library.
NAME
gui_get_screen - Returns the bitmap surface GUI routines draw to. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
BITMAP *gui_get_screen(void);
DESCRIPTION
This function returns the current bitmap surface the GUI routines will use for drawing. Note that this function will return screen if you have called gui_set_screen(N) previously, and will never return NULL.