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-<HEAD>
-<TITLE>curs_getcchar 3x</TITLE>
-<link rev=made href="mailto:bug-ncurses@gnu.org">
-<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
-</HEAD>
-<BODY>
-<H1>curs_getcchar 3x</H1>
-<HR>
-<PRE>
-<!-- Manpage converted by man2html 3.0.1 -->
-
-</PRE>
-<H2>NAME</H2><PRE>
- <STRONG>getcchar</STRONG>, <STRONG>setcchar</STRONG> - Get a wide character string and ren-
- dition from a <STRONG>cchar_t</STRONG> or set a <STRONG>cchar_t</STRONG> from a wide-charac-
- ter string
-
-
-</PRE>
-<H2>SYNOPSIS</H2><PRE>
- <STRONG>#include</STRONG> <STRONG>&lt;curses.h&gt;</STRONG>
-
- <STRONG>int</STRONG> <STRONG>getcchar(</STRONG>
- <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wcval</EM><STRONG>,</STRONG>
- <STRONG>wchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM><STRONG>,</STRONG>
- <STRONG>attr_t</STRONG> <STRONG>*</STRONG><EM>attrs</EM><STRONG>,</STRONG>
- <STRONG>short</STRONG> <STRONG>*</STRONG><EM>color</EM><STRONG>_</STRONG><EM>pair</EM><STRONG>,</STRONG>
- <STRONG>void</STRONG> <STRONG>*</STRONG><EM>opts</EM> <STRONG>);</STRONG>
-
- <STRONG>int</STRONG> <STRONG>setcchar(</STRONG>
- <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wcval</EM><STRONG>,</STRONG>
- <STRONG>const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM><STRONG>,</STRONG>
- <STRONG>const</STRONG> <STRONG>attr_t</STRONG> <EM>attrs</EM><STRONG>,</STRONG>
- <STRONG>short</STRONG> <EM>color</EM><STRONG>_</STRONG><EM>pair</EM><STRONG>,</STRONG>
- <STRONG>void</STRONG> <STRONG>*</STRONG><EM>opts</EM> <STRONG>);</STRONG>
-
-
-</PRE>
-<H2>DESCRIPTION</H2><PRE>
- The <STRONG>getcchar</STRONG> function gets a wide-character string and
- rendition from a <STRONG>cchar_t</STRONG> argument. When <EM>wch</EM> is not a null
- pointer, the <STRONG>getcchar</STRONG> function does the following:
-
- - Extracts information from a <STRONG>cchar_t</STRONG> value <EM>wcval</EM>
-
- - Stores the character attributes in the location
- pointed to by <EM>attrs</EM>
-
- - Stores the color-pair in the location pointed to by
- <EM>color</EM><STRONG>_</STRONG><EM>pair</EM>
-
- - Stores the wide-character string, characters refer-
- enced by <EM>wcval</EM>, into the array pointed to by <EM>wch</EM>.
-
- When <EM>wch</EM> is a null pointer, the <STRONG>getcchar</STRONG> function does the
- following:
-
- - Obtains the number of wide characters pointed to by
- <EM>wcval</EM>
-
- - Does not change the data referenced by <EM>attrs</EM> or
- <EM>color</EM><STRONG>_</STRONG><EM>pair</EM>
-
- The <STRONG>setcchar</STRONG> function initializes the location pointed to
- by <EM>wcval</EM> by using:
-
- - The character attributes in <EM>attrs</EM>
-
- - The color pair in <EM>color</EM><STRONG>_</STRONG><EM>pair</EM>
-
- - The wide-character string pointed to by <EM>wch</EM>. The
- string must be L'\0' terminated, contain at most one
- character with strictly positive width, which must be
- the first, and contain no characters of negative
- width.
-
-
-</PRE>
-<H2>NOTES</H2><PRE>
- The <EM>opts</EM> argument is reserved for future use. Currently,
- an application must provide a null pointer as <EM>opts</EM>.
-
- The <EM>wcval</EM> argument may be a value generated by a call to
- <STRONG>setcchar</STRONG> or by a function that has a <STRONG>cchar_t</STRONG> output argu-
- ment. If <EM>wcval</EM> is constructed by any other means, the
- effect is unspecified.
-
-
-</PRE>
-<H2>RETURN VALUES</H2><PRE>
- When <EM>wch</EM> is a null pointer, <STRONG>getcchar</STRONG> returns the number of
- wide characters referenced by <EM>wcval</EM>, including the null
- terminator.
-
- When <EM>wch</EM> is not a null pointer, <STRONG>getcchar</STRONG> returns <STRONG>OK</STRONG> upon
- successful completion, and <STRONG>ERR</STRONG> otherwise.
-
- Upon successful completion, <STRONG>setcchar</STRONG> returns <STRONG>OK</STRONG>. Other-
- wise, it returns <STRONG>ERR</STRONG>.
-
-
-</PRE>
-<H2>SEE ALSO</H2><PRE>
- Functions: <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="wcwidth.3x.html">wcwidth(3x)</A></STRONG>, <STRONG><A HREF="curs_attr_get.3x.html">curs_attr_get(3x)</A></STRONG>,
- <STRONG><A HREF="can_change_color.3x.html">can_change_color(3x)</A></STRONG>.
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-</PRE>
-<HR>
-<ADDRESS>
-Man(1) output converted with
-<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
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