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* @Id: curs_in_wch.3x,v 1.5 2010/12/04 18:36:44 tom Exp @
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<HTML>
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<meta name="generator" content="Manpage converted by man2html - see http://invisible-island.net/scripts/readme.html#others_scripts">
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<TITLE>curs_in_wch 3x</TITLE>
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<link rev=made href="mailto:bug-ncurses@gnu.org">
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<H1 class="no-header">curs_in_wch 3x</H1>
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<PRE>
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<STRONG><A HREF="curs_in_wch.3x.html">curs_in_wch(3x)</A></STRONG> <STRONG><A HREF="curs_in_wch.3x.html">curs_in_wch(3x)</A></STRONG>
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</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
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<STRONG>in_wch</STRONG>, <STRONG>mvin_wch</STRONG>, <STRONG>mvwin_wch</STRONG>, <STRONG>win_wch</STRONG> - extract a complex
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character and rendition from a window
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</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
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<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
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<STRONG>int</STRONG> <STRONG>in_wch(cchar_t</STRONG> <STRONG>*</STRONG><EM>wcval</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>mvin_wch(int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wcval</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>mvwin_wch(WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wcval</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>win_wch(WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wcval</EM><STRONG>);</STRONG>
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</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
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These functions extract the complex character and rendi-
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tion from the current position in the named window into
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the <STRONG>cchar_t</STRONG> object referenced by wcval.
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</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
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No errors are defined in the XSI Curses standard. This
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implementation checks for null pointers, returns ERR in
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that case. Also, the <EM>mv</EM> routines check for error moving
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the cursor, returning ERR in that case. Otherwise they
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return OK
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Functions with a "mv" prefix first perform a cursor move-
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ment using <STRONG>wmove</STRONG>, and return an error if the position is
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outside the window, or if the window pointer is null.
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</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
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Note that all of these routines may be macros.
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</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
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These functions are described in the XSI Curses standard,
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Issue 4.
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</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
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<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_inch.3x.html">curs_inch(3x)</A></STRONG>.
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<STRONG><A HREF="curs_in_wch.3x.html">curs_in_wch(3x)</A></STRONG>
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</PRE>
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<div class="nav">
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<ul>
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<li><a href="#h2-NAME">NAME</a></li>
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<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
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<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
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<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
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<li><a href="#h2-NOTES">NOTES</a></li>
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<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
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<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
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</ul>
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</div>
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