-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<!--
****************************************************************************
- * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2006,2010 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************
- * @Id: curs_scroll.3x,v 1.9 2001/10/14 00:51:56 tom Exp @
+ * @Id: curs_scroll.3x,v 1.15 2010/12/04 18:40:45 tom Exp @
-->
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<HTML>
<HEAD>
+<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
+<meta name="generator" content="Manpage converted by man2html - see http://invisible-island.net/scripts/readme.html#others_scripts">
<TITLE>curs_scroll 3x</TITLE>
<link rev=made href="mailto:bug-ncurses@gnu.org">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<H1>curs_scroll 3x</H1>
<HR>
<PRE>
-<!-- Manpage converted by man2html 3.0.1 -->
+<STRONG><A HREF="curs_scroll.3x.html">curs_scroll(3x)</A></STRONG> <STRONG><A HREF="curs_scroll.3x.html">curs_scroll(3x)</A></STRONG>
+
+
+
</PRE>
-<H2>NAME</H2><PRE>
+<H2><a name="h2-NAME">NAME</a></H2><PRE>
<STRONG>scroll</STRONG>, <STRONG>scrl</STRONG>, <STRONG>wscrl</STRONG> - scroll a <STRONG>curses</STRONG> window
</PRE>
-<H2>SYNOPSIS</H2><PRE>
+<H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
<STRONG>int</STRONG> <STRONG>scroll(WINDOW</STRONG> <STRONG>*win);</STRONG>
</PRE>
-<H2>DESCRIPTION</H2><PRE>
+<H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
The <STRONG>scroll</STRONG> routine scrolls the window up one line. This
involves moving the lines in the window data structure.
As an optimization, if the scrolling region of the window
</PRE>
-<H2>RETURN VALUE</H2><PRE>
+<H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
These routines return <STRONG>ERR</STRONG> upon failure, and <STRONG>OK</STRONG> (SVr4 only
specifies "an integer value other than <STRONG>ERR</STRONG>") upon success-
ful completion.
+ X/Open defines no error conditions.
+
+ This implementation returns an error if the window pointer
+ is null, or if scrolling is not enabled in the window,
+ e.g., with <STRONG>scrollok</STRONG>.
+
</PRE>
-<H2>NOTES</H2><PRE>
+<H2><a name="h2-NOTES">NOTES</a></H2><PRE>
Note that <STRONG>scrl</STRONG> and <STRONG>scroll</STRONG> may be macros.
The SVr4 documentation says that the optimization of phys-
entire screen "is" performed, not "may be" performed.
This implementation deliberately does not guarantee that
this will occur, to leave open the possibility of smarter
- optimization of multiple scroll actions on the next
- update.
+ optimization of multiple scroll actions on the next up-
+ date.
Neither the SVr4 nor the XSI documentation specify whether
the current attribute or current color-pair of blanks gen-
- erated by the scroll function is zeroed. Under this
- implementation it is.
+ erated by the scroll function is zeroed. Under this im-
+ plementation it is.
</PRE>
-<H2>PORTABILITY</H2><PRE>
+<H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
The XSI Curses standard, Issue 4 describes these func-
tions.
</PRE>
-<H2>SEE ALSO</H2><PRE>
+<H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>
+
+
+ <STRONG><A HREF="curs_scroll.3x.html">curs_scroll(3x)</A></STRONG>
</PRE>
-<HR>
-<ADDRESS>
-Man(1) output converted with
-<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
-</ADDRESS>
+<div class="nav">
+<ul>
+<li><a href="#h2-NAME">NAME</a></li>
+<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
+<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
+<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
+<li><a href="#h2-NOTES">NOTES</a></li>
+<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
+<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
+</ul>
+</div>
</BODY>
</HTML>