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* @Id: curs_in_wch.3x,v 1.5 2010/12/04 18:36:44 tom Exp @
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<H1>curs_in_wch 3x</H1>
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<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
<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>
</PRE>
<H2>NAME</H2><PRE>
<STRONG>in_wch</STRONG>, <STRONG>mvin_wch</STRONG>, <STRONG>mvwin_wch</STRONG>, <STRONG>win_wch</STRONG> - extract a complex
character and rendition from a window
</PRE>
<H2>SYNOPSIS</H2><PRE>
<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
<STRONG>int</STRONG> <STRONG>in_wch(cchar_t</STRONG> <STRONG>*</STRONG><EM>wcval</EM><STRONG>);</STRONG>
<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>
<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>
<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>
</PRE>
<H2>DESCRIPTION</H2><PRE>
These functions extract the complex character and rendi-
tion from the current position in the named window into
the <STRONG>cchar_t</STRONG> object referenced by wcval.
</PRE>
<H2>RETURN VALUE</H2><PRE>
No errors are defined in the XSI Curses standard. This
implementation checks for null pointers, returns ERR in
that case. Also, the <EM>mv</EM> routines check for error moving
the cursor, returning ERR in that case. Otherwise they
return OK
Functions with a "mv" prefix first perform a cursor move-
ment using <STRONG>wmove</STRONG>, and return an error if the position is
outside the window, or if the window pointer is null.
</PRE>
<H2>NOTES</H2><PRE>
Note that all of these routines may be macros.
</PRE>
<H2>PORTABILITY</H2><PRE>
These functions are described in the XSI Curses standard,
Issue 4.
</PRE>
<H2>SEE ALSO</H2><PRE>
<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_inch.3x.html">curs_inch(3x)</A></STRONG>.
<STRONG><A HREF="curs_in_wch.3x.html">curs_in_wch(3x)</A></STRONG>
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