exdbuf - How to use double buffering to avoid flicker. Allegro game programming library.

       This  program  demonstrates the use of double buffering.  It moves a circle across the screen, first just
       erasing and redrawing directly to the screen, then with a double buffer.

       exdbuf - How to use double buffering to avoid flicker. Allegro game programming library.

BITMAP(3alleg4),  END_OF_MAIN(3alleg4),  SCREEN_H(3alleg4),  SCREEN_W(3alleg4),  acquire_screen(3alleg4),
       allegro_error(3alleg4),       allegro_init(3alleg4),       allegro_message(3alleg4),       blit(3alleg4),
       circlefill(3alleg4),     clear_keybuf(3alleg4),     clear_to_color(3alleg4),      create_bitmap(3alleg4),
       desktop_palette(3alleg4),      destroy_bitmap(3alleg4),     font(3alleg4),     install_keyboard(3alleg4),
       install_timer(3alleg4),       keypressed(3alleg4),       makecol(3alleg4),       release_screen(3alleg4),
       retrace_count(3alleg4),        screen(3alleg4),        set_gfx_mode(3alleg4),       set_palette(3alleg4),
       textprintf_ex(3alleg4)

Allegro                                           version 4.4.3                                  exdbuf(3alleg4)

#include<allegro.h>Exampleexdbuf