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* Copyright 2019-2024,2025 Thomas E. Dickey *
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* @Id: curs_addwstr.3x,v 1.60 2025/03/15 20:41:04 tom Exp @
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<HTML>
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<HEAD>
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<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
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<meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
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<TITLE>curs_addwstr 3x 2025-03-15 ncurses 6.6 Library calls</TITLE>
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<link rel="author" href="mailto:bug-ncurses@gnu.org">
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<BODY>
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<H1 class="no-header">curs_addwstr 3x 2025-03-15 ncurses 6.6 Library calls</H1>
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<PRE>
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<STRONG><A HREF="curs_addwstr.3x.html">curs_addwstr(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_addwstr.3x.html">curs_addwstr(3x)</A></STRONG>
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</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
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<STRONG>addwstr</STRONG>, <STRONG>waddwstr</STRONG>, <STRONG>mvaddwstr</STRONG>, <STRONG>mvwaddwstr</STRONG>, <STRONG>addnwstr</STRONG>, <STRONG>waddnwstr</STRONG>,
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<STRONG>mvaddnwstr</STRONG>, <STRONG>mvwaddnwstr</STRONG> - add a wide-character string to a <EM>curses</EM>
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window and advance the cursor
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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>addwstr(const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG> <EM>wstr</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>waddwstr(WINDOW</STRONG> <STRONG>*</STRONG> <EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG> <EM>wstr</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>mvaddwstr(int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG> <EM>wstr</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>mvwaddwstr(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>
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<STRONG>const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG> <EM>wstr</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>addnwstr(const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG> <EM>wstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>waddnwstr(WINDOW</STRONG> <STRONG>*</STRONG> <EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG> <EM>wstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>mvaddnwstr(int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG> <EM>wstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>mvwaddnwstr(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>
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<STRONG>const</STRONG> <STRONG>wchar_t</STRONG> <STRONG>*</STRONG> <EM>wstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
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</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
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<STRONG>waddwstr</STRONG> writes the characters of the (wide-null-terminated) wide-
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character string <EM>wstr</EM> to the window <EM>win</EM>, as if by constructing a
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<EM>cchar</EM><STRONG>_</STRONG><EM>t</EM> for each <EM>wchar</EM><STRONG>_</STRONG><EM>t</EM> in <EM>wstr</EM>, then calling <STRONG><A HREF="curs_add_wch.3x.html">wadd_wch(3x)</A></STRONG> with the
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resulting <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>. <EM>curses</EM> processes spacing and non-spacing characters
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in <EM>wstr</EM> one at a time. <STRONG>waddnwstr</STRONG> is similar, but writes at most <EM>n</EM> wide
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characters. If <EM>n</EM> is -1, <STRONG>waddnwstr</STRONG> writes the entire wide string.
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<STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG> describes the variants of these functions.
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</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
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These functions return <STRONG>OK</STRONG> on success and <STRONG>ERR</STRONG> on failure.
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In <EM>ncurses</EM>, these functions fail if
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<STRONG>o</STRONG> the <EM>curses</EM> screen has not been initialized,
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<STRONG>o</STRONG> <EM>wstr</EM> is a null pointer,
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<STRONG>o</STRONG> (for functions taking a <EM>WINDOW</EM> pointer argument) <EM>win</EM> is a null
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pointer, or
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<STRONG>o</STRONG> an internal <STRONG><A HREF="curs_add_wch.3x.html">wadd_wch(3x)</A></STRONG> call returns <STRONG>ERR</STRONG>.
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Functions prefixed with "mv" first perform cursor movement and fail if
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the position (<EM>y</EM>, <EM>x</EM>) is outside the window boundaries.
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</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
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All of these functions except <STRONG>waddnwstr</STRONG> may be implemented as macros.
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</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
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X/Open Curses Issue 4 describes these functions.
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SVr4 describes a successful return value only as "an integer value
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other than <EM>ERR</EM>".
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</PRE><H2><a name="h2-HISTORY">HISTORY</a></H2><PRE>
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X/Open Curses Issue 4 (1995) initially specified these functions. The
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System V Interface Definition Version 4 of the same year specified
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functions named <EM>waddwstr</EM> and <EM>waddnwstr</EM> (and the usual variants). These
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were later additions to SVr4.<EM>x</EM>, not appearing in the first SVr4 (1989).
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</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
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<STRONG><A HREF="curs_addstr.3x.html">curs_addstr(3x)</A></STRONG> describes comparable functions of the <EM>ncurses</EM> library
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in its non-wide-character configuration.
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<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG>, <STRONG><A HREF="curs_add_wchstr.3x.html">curs_add_wchstr(3x)</A></STRONG>
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ncurses 6.6 2025-03-15 <STRONG><A HREF="curs_addwstr.3x.html">curs_addwstr(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-HISTORY">HISTORY</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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