.\" Generated by the Allegro makedoc utility
.TH poll_scroll 3alleg4 "version 4.4.3" "Allegro" "Allegro manual"
.SH NAME
poll_scroll \- Checks the status of a scroll request with triple buffering. Allegro game programming library.\&
.SH SYNOPSIS
.B #include <allegro.h>

.sp
.B int poll_scroll();
.SH DESCRIPTION
This function is used for triple buffering. It checks the status of a 
hardware scroll previously initiated by the request_scroll() routine.
.SH "RETURN VALUE"
Returns non-zero if it is still waiting to take place, and zero if the
requested scroll has already happened.

.SH SEE ALSO
.BR request_scroll (3alleg4),
.BR request_video_bitmap (3alleg4),
.BR ex3buf (3alleg4),
.BR exupdate (3alleg4)