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+<!--
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* Copyright 2018-2019,2020 Thomas E. Dickey *
* Copyright 1998-2006,2010 Free Software Foundation, Inc. *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************
- * @Id: curs_scroll.3x,v 1.18 2020/02/02 23:34:34 tom Exp @
+ * @Id: curs_scroll.3x,v 1.19 2020/10/24 09:45:48 tom Exp @
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-<TITLE>curs_scroll 3x</TITLE>
+<TITLE>curs_scroll 3X</TITLE>
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-<H1 class="no-header">curs_scroll 3x</H1>
+<H1 class="no-header">curs_scroll 3X</H1>
<PRE>
-<STRONG><A HREF="curs_scroll.3x.html">curs_scroll(3x)</A></STRONG> <STRONG><A HREF="curs_scroll.3x.html">curs_scroll(3x)</A></STRONG>
+<B><A HREF="curs_scroll.3X.html">curs_scroll(3X)</A></B> <B><A HREF="curs_scroll.3X.html">curs_scroll(3X)</A></B>
</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
+ <B>scroll</B>, <B>scrl</B>, <B>wscrl</B> - scroll a <B>curses</B> window
</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
- <STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
+ <B>#include</B> <B><curses.h></B>
- <STRONG>int</STRONG> <STRONG>scroll(WINDOW</STRONG> <STRONG>*win);</STRONG>
- <STRONG>int</STRONG> <STRONG>scrl(int</STRONG> <STRONG>n);</STRONG>
- <STRONG>int</STRONG> <STRONG>wscrl(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>int</STRONG> <STRONG>n);</STRONG>
+ <B>int</B> <B>scroll(WINDOW</B> <B>*</B><I>win</I><B>);</B>
+
+ <B>int</B> <B>scrl(int</B> <I>n</I><B>);</B>
+ <B>int</B> <B>wscrl(WINDOW</B> <B>*</B><I>win</I><B>,</B> <B>int</B> <I>n</I><B>);</B>
</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
- The <STRONG>scroll</STRONG> routine scrolls the window up one line. This involves mov-
+ The <B>scroll</B> routine scrolls the window up one line. This involves mov-
ing the lines in the window data structure. As an optimization, if the
- scrolling region of the window is the entire screen, the <EM>physical</EM>
- <EM>screen</EM> may be scrolled at the same time.
+ scrolling region of the window is the entire screen, the <I>physical</I>
+ <I>screen</I> may be scrolled at the same time.
- For positive <EM>n</EM>, the <STRONG>scrl</STRONG> and <STRONG>wscrl</STRONG> routines scroll the window up <EM>n</EM>
- lines (line <EM>i</EM>+<EM>n</EM> becomes <EM>i</EM>); otherwise scroll the window down <EM>n</EM> lines.
+ For positive <I>n</I>, the <B>scrl</B> and <B>wscrl</B> routines scroll the window up <I>n</I>
+ lines (line <I>i</I>+<I>n</I> becomes <I>i</I>); otherwise scroll the window down <I>n</I> lines.
This involves moving the lines in the window character image structure.
The current cursor position is not changed.
- For these functions to work, scrolling must be enabled via <STRONG>scrollok</STRONG>.
+ For these functions to work, scrolling must be enabled via <B>scrollok</B>.
</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 successful completion.
+ These routines return <B>ERR</B> upon failure, and <B>OK</B> (SVr4 only specifies "an
+ integer value other than <B>ERR</B>") upon successful 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>.
+ if scrolling is not enabled in the window, e.g., with <B>scrollok</B>.
</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
- Note that <STRONG>scrl</STRONG> and <STRONG>scroll</STRONG> may be macros.
+ Note that <B>scrl</B> and <B>scroll</B> may be macros.
The SVr4 documentation says that the optimization of physically
scrolling immediately if the scroll region is the entire screen "is"
</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>
+ <B><A HREF="curses.3X.html">curses(3X)</A></B>, <B><A HREF="curs_outopts.3X.html">curs_outopts(3X)</A></B>
- <STRONG><A HREF="curs_scroll.3x.html">curs_scroll(3x)</A></STRONG>
+ <B><A HREF="curs_scroll.3X.html">curs_scroll(3X)</A></B>
</PRE>
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