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* @Id: curs_add_wchstr.3x,v 1.10 2012/11/03 22:54:43 tom Exp @
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<H1>curs_add_wchstr 3x</H1>
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<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
<STRONG><A HREF="curs_add_wchstr.3x.html">curs_add_wchstr(3x)</A></STRONG> <STRONG><A HREF="curs_add_wchstr.3x.html">curs_add_wchstr(3x)</A></STRONG>
</PRE>
<H2>NAME</H2><PRE>
<STRONG>add_wchstr</STRONG>, <STRONG>add_wchnstr</STRONG>, <STRONG>wadd_wchstr</STRONG>, <STRONG>wadd_wchnstr</STRONG>,
<STRONG>mvadd_wchstr</STRONG>, <STRONG>mvadd_wchnstr</STRONG>, <STRONG>mvwadd_wchstr</STRONG>, <STRONG>mvwadd_wchnstr</STRONG>
- add an array of complex characters (and attributes) to a
curses window
</PRE>
<H2>SYNOPSIS</H2><PRE>
<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
<STRONG>int</STRONG> <STRONG>add_wchstr(const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>add_wchnstr(const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>wadd_wchstr(WINDOW</STRONG> <STRONG>*</STRONG> <EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>wadd_wchnstr(WINDOW</STRONG> <STRONG>*</STRONG> <EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>mvadd_wchstr(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>wchstr</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>mvadd_wchnstr(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>wchstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>mvwadd_wchstr(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>wchstr</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>mvwadd_wchnstr(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>wchstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
</PRE>
<H2>DESCRIPTION</H2><PRE>
These functions copy the (null-terminated) array of com-
plex characters <EM>wchstr</EM> into the window image structure
starting at the current cursor position. The four func-
tions with <EM>n</EM> as the last argument copy at most <EM>n</EM> elements,
but no more than will fit on the line. If <STRONG>n</STRONG>=<STRONG>-1</STRONG> then the
whole array is copied, to the maximum number of characters
that will fit on the line.
The window cursor is <EM>not</EM> advanced. These functions work
faster than <STRONG>waddnstr</STRONG>. On the other hand:
<STRONG>o</STRONG> they do not perform checking (such as for the newline,
backspace, or carriage return characters),
<STRONG>o</STRONG> they do not advance the current cursor position,
<STRONG>o</STRONG> they do not expand other control characters to ^-es-
capes, and
<STRONG>o</STRONG> they truncate the string if it crosses the right mar-
gin, rather than wrapping it around to the new line.
These functions end successfully on encountering a null
<EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>, or when they have filled the current line. If a
complex character cannot completely fit at the end of the
current line, the remaining columns are filled with the
background character and rendition.
</PRE>
<H2>RETURN VALUE</H2><PRE>
All functions return the integer <STRONG>ERR</STRONG> upon failure and <STRONG>OK</STRONG>
on success.
X/Open does not define any error conditions. This imple-
mentation returns an error if the window pointer is null.
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>
All functions except <STRONG>wadd_wchnstr</STRONG> may be macros.
</PRE>
<H2>PORTABILITY</H2><PRE>
These entry points are described in the XSI Curses stan-
dard, Issue 4.
</PRE>
<H2>SEE ALSO</H2><PRE>
<STRONG><A HREF="curs_addwstr.3x.html">curs_addwstr(3x)</A></STRONG>, <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>.
Comparable functions in the narrow-character (ncurses) li-
brary are described in <STRONG><A HREF="curs_addchstr.3x.html">curs_addchstr(3x)</A></STRONG>.
<STRONG><A HREF="curs_add_wchstr.3x.html">curs_add_wchstr(3x)</A></STRONG>
</PRE>
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