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-<TITLE>curs_add_wch 3x</TITLE>
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-<BODY>
-<H1>curs_add_wch 3x</H1>
-<HR>
-<PRE>
-<!-- Manpage converted by man2html 3.0.1 -->
-
-</PRE>
-<H2>NAME</H2><PRE>
- <STRONG>add_wch</STRONG>, <STRONG>wadd_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, <STRONG>mvwadd_wch</STRONG>, <STRONG>echo_wchar</STRONG>,
- <STRONG>wecho_wchar</STRONG> - add a complex character and rendition to a
- <STRONG>curses</STRONG> window, then advance the cursor
-
-
-</PRE>
-<H2>SYNOPSIS</H2><PRE>
- <STRONG>#include</STRONG> <STRONG>&lt;curses.h&gt;</STRONG>
-
- <STRONG>int</STRONG> <STRONG>add_wch(</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG>
- <STRONG>int</STRONG> <STRONG>wadd_wch(</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG>
- <STRONG>int</STRONG> <STRONG>mvadd_wch(</STRONG> <STRONG>int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG>
- <STRONG>int</STRONG> <STRONG>mvwadd_wch(</STRONG> <STRONG>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>const</STRONG> <STRONG>cchar_t</STRONG>
- <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG>
- <STRONG>int</STRONG> <STRONG>echo_wchar(</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG>
- <STRONG>int</STRONG> <STRONG>wecho_wchar(</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG>
-
-
-</PRE>
-<H2>DESCRIPTION</H2><PRE>
- The <STRONG>add_wch</STRONG>, <STRONG>wadd_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, and <STRONG>mvwadd_wch</STRONG> functions
- put the complex character <EM>wch</EM> into the given window at its
- current position, which is then advanced. These functions
- perform wrapping and special-character processing as fol-
- lows:
-
- - If <EM>wch</EM> refers to a spacing character, then any previ-
- ous character at that location is removed. A new
- character specified by <EM>wch</EM> is placed at that location
- with rendition specified by <EM>wch</EM>. The cursor then
- advances to the next spacing character on the screen.
-
- - If <EM>wch</EM> refers to a non-spacing character, all previ-
- ous characters at that location are preserved. The
- non-spacing characters of <EM>wch</EM> are added to the spac-
- ing complex character, and the rendition specified by
- <EM>wch</EM> is ignored.
-
- - If the character part of <EM>wch</EM> is a tab, newline,
- backspace or other control character, the window is
- updated and the cursor moves as if <STRONG><A HREF="addch.3x.html">addch(3x)</A></STRONG> were
- called.
-
- The <STRONG>echo_wchar</STRONG> function is functionally equivalent to a
- call to <STRONG>add_wch</STRONG> followed by a call to <STRONG>refresh</STRONG>. Similarly,
- the <STRONG>wecho_wchar</STRONG> is functionally equivalent to a call to
- <STRONG>wadd_wch</STRONG> followed by a call to <STRONG>wrefresh</STRONG>. The knowledge
- that only a single character is being output is taken into
- consideration and, for non-control characters, a consider-
- able performance gain might be seen by using the *<STRONG>echo</STRONG>*
- functions instead of their equivalents.
-
-
-</PRE>
-<H2>RETURN VALUES</H2><PRE>
- All routines return the integer <STRONG>ERR</STRONG> upon failure and <STRONG>OK</STRONG> on
- success.
-
-
-
-</PRE>
-<H2>NOTES</H2><PRE>
- Note that <STRONG>add_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, <STRONG>mvwadd_wch</STRONG>, and <STRONG>echo_wchar</STRONG>
- may be macros.
-
-
-</PRE>
-<H2>PORTABILITY</H2><PRE>
- All these functions are described in the XSI Curses stan-
- dard, Issue 4. The defaults specified for forms-drawing
- characters apply in the POSIX locale.
-
- XSI documents constants beginning with <STRONG>WACS_</STRONG> which are
- used for line-drawing. Those are not currently imple-
- mented in <STRONG>ncurses</STRONG>.
-
-
-</PRE>
-<H2>SEE ALSO</H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_attr_get.3x.html">curs_attr_get(3x)</A></STRONG>, <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>, <STRONG>curs_out-</STRONG>
- <STRONG><A HREF="curs_outopts.3x.html">opts(3x)</A></STRONG>, <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>, <STRONG><A HREF="putwc.3.html">putwc(3)</A></STRONG>
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-<ADDRESS>
-Man(1) output converted with
-<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
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