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enable_triple_buffer(3)         Allegro manual         enable_triple_buffer(3)

NAME
       enable_triple_buffer - Enables triple buffering. Allegro game
       programming library.

SYNOPSIS
       #include <allegro.h>

       int enable_triple_buffer();

DESCRIPTION
       If the GFX_CAN_TRIPLE_BUFFER bit of the gfx_capabilities field is not
       set, you can attempt to enable it by calling this function. In
       particular if you are running in mode-X in a clean DOS environment,
       this routine will enable the timer retrace simulator, which will
       activate the triple buffering functions.

RETURN VALUE
       Returns zero if triple buffering is enabled, -1 otherwise.

SEE ALSO
       gfx_capabilities(3), request_scroll(3), request_video_bitmap(3),
       ex3buf(3), exupdate(3)

Allegro                          version 4.4.2         enable_triple_buffer(3)