1poll_scroll(3)                  Allegro manual                  poll_scroll(3)
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NAME

6       poll_scroll - Checks the status of a scroll request with triple buffer‐
7       ing. Allegro game programming library.
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SYNOPSIS

10       #include <allegro.h>
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13       int poll_scroll();
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DESCRIPTION

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

20       Returns  non-zero if it is still waiting to take place, and zero if the
21       requested scroll has already happened.
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SEE ALSO

25       request_scroll(3), request_video_bitmap(3), ex3buf(3), exupdate(3)
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29Allegro                          version 4.2.2                  poll_scroll(3)
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