poll_scroll
Section: Allegro manual (3)
Updated: version 4.2.2
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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)