poll_scroll (3) - Linux Manuals
poll_scroll: Checks the status of a scroll request with triple buffering. Allegro game programming library.
Command to display poll_scroll manual in Linux: $ man 3 poll_scroll
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.