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poll_scroll - Man Page

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


#include <allegro.h>

int poll_scroll();


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)

Referenced By

ex3buf(3), exupdate(3), request_scroll(3), request_video_bitmap(3).

version 4.4.3 Allegro manual