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poll_scroll(3)                  Allegro manual                  poll_scroll(3)

NAME
       poll_scroll - Checks the status of a scroll request with triple
       buffering. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       int poll_scroll();

DESCRIPTION
       This function is used for triple buffering. It checks the status of a
       hardware scroll previously initiated by the request_scroll() routine.

RETURN VALUE
       Returns non-zero if it is still waiting to take place, and zero if the
       requested scroll has already happened.

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

Allegro                          version 4.4.2                  poll_scroll(3)