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- * @Id: curs_in_wchstr.3x,v 1.14 2020/10/17 23:19:44 tom Exp @
+ * @Id: curs_in_wchstr.3x,v 1.39 2024/04/20 21:24:19 tom Exp @
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-<H1 class="no-header">curs_in_wchstr 3X</H1>
+<H1 class="no-header">curs_in_wchstr 3x 2024-04-20 ncurses 6.5 Library calls</H1>
<PRE>
-<B><A HREF="curs_in_wchstr.3X.html">curs_in_wchstr(3X)</A></B> <B><A HREF="curs_in_wchstr.3X.html">curs_in_wchstr(3X)</A></B>
+<STRONG><A HREF="curs_in_wchstr.3x.html">curs_in_wchstr(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_in_wchstr.3x.html">curs_in_wchstr(3x)</A></STRONG>
</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
- <B>in_wchstr</B>, <B>in_wchnstr</B>, <B>win_wchstr</B>, <B>win_wchnstr</B>, <B>mvin_wchstr</B>,
- <B>mvin_wchnstr</B>, <B>mvwin_wchstr</B>, <B>mvwin_wchnstr</B> - get an array of complex
- characters and renditions from a curses window
+ <STRONG>in_wchstr</STRONG>, <STRONG>in_wchnstr</STRONG>, <STRONG>win_wchstr</STRONG>, <STRONG>win_wchnstr</STRONG>, <STRONG>mvin_wchstr</STRONG>,
+ <STRONG>mvin_wchnstr</STRONG>, <STRONG>mvwin_wchstr</STRONG>, <STRONG>mvwin_wchnstr</STRONG> - get a <EM>curses</EM> complex
+ character string from a window
</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
- <B>#include</B> <B><curses.h></B>
+ <STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
- <B>int</B> <B>in_wchstr(cchar_t</B> <B>*</B><I>wchstr</I><B>);</B>
- <B>int</B> <B>in_wchnstr(cchar_t</B> <B>*</B><I>wchstr</I><B>,</B> <B>int</B> <I>n</I><B>);</B>
- <B>int</B> <B>win_wchstr(WINDOW</B> <B>*</B><I>win</I><B>,</B> <B>cchar_t</B> <B>*</B><I>wchstr</I><B>);</B>
- <B>int</B> <B>win_wchnstr(WINDOW</B> <B>*</B><I>win</I><B>,</B> <B>cchar_t</B> <B>*</B><I>wchstr</I><B>,</B> <B>int</B> <I>n</I><B>);</B>
+ <STRONG>int</STRONG> <STRONG>in_wchstr(cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>win_wchstr(WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>mvin_wchstr(int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>mvwin_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>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>);</STRONG>
- <B>int</B> <B>mvin_wchstr(int</B> <I>y</I><B>,</B> <B>int</B> <I>x</I><B>,</B> <B>cchar_t</B> <B>*</B><I>wchstr</I><B>);</B>
- <B>int</B> <B>mvin_wchnstr(int</B> <I>y</I><B>,</B> <B>int</B> <I>x</I><B>,</B> <B>cchar_t</B> <B>*</B><I>wchstr</I><B>,</B> <B>int</B> <I>n</I><B>);</B>
- <B>int</B> <B>mvwin_wchstr(WINDOW</B> <B>*</B><I>win</I><B>,</B> <B>int</B> <I>y</I><B>,</B> <B>int</B> <I>x</I><B>,</B> <B>cchar_t</B> <B>*</B><I>wchstr</I><B>);</B>
- <B>int</B> <B>mvwin_wchnstr(WINDOW</B> <B>*</B><I>win</I><B>,</B> <B>int</B> <I>y</I><B>,</B> <B>int</B> <I>x</I><B>,</B> <B>cchar_t</B> <B>*</B><I>wchstr</I>, int <I>n</I><B>);</B>
+ <STRONG>int</STRONG> <STRONG>in_wchnstr(cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>win_wchnstr(WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>mvin_wchnstr(int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>mvwin_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>cchar_t</STRONG> <STRONG>*</STRONG><EM>wchstr</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
- These functions return an array of complex characters in <I>wchstr</I>, start-
- ing at the current cursor position in the named window. Attributes
- (rendition) are stored with the characters.
+ These functions return an array of complex characters in <EM>wchstr</EM>,
+ starting at the current cursor position in the named window.
+ Attributes (rendition) are stored with the characters.
- The <B>in_wchnstr</B>, <B>mvin_wchnstr</B>, <B>mvwin_wchnstr</B> and <B>win_wchnstr</B> fill the
- array with at most <I>n</I> <B>cchar_t</B> elements.
+ The four functions with <EM>n</EM> as the last argument return a leading
+ substring at most <EM>n</EM> characters long (exclusive of the trailing zeroed
+ <STRONG>cchar_t</STRONG>. Transfer stops at the end of the current line, or when <EM>n</EM>
+ characters have been stored at the location referenced by <EM>wchstr</EM>.
+ Constants defined in <STRONG><curses.h></STRONG> can be used with the <STRONG>&</STRONG> (logical AND)
+ operator to extract the character or the attribute alone from any
+ position in the <EM>wchstr</EM> [see <STRONG><A HREF="curs_getcchar.3x.html">getcchar(3x)</A></STRONG>].
-</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
- Note that all routines except <B>win_wchnstr</B> may be macros.
- Reading a line that overflows the array pointed to by <I>wchstr</I> with
- <B>in_wchstr</B>, <B>mvin_wchstr</B>, <B>mvwin_wchstr</B> or <B>win_wchstr</B> causes undefined re-
- sults. Therefore, the use of <B>in_wchnstr</B>, <B>mvin_wchnstr</B>, <B>mvwin_wchnstr</B>,
- or <B>win_wchnstr</B> is recommended.
+</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
+ Upon successful completion, these functions return <STRONG>OK</STRONG>. Otherwise, they
+ return <STRONG>ERR</STRONG>.
+
+ X/Open Curses defines no error conditions. This implementation returns
+ an error
+ <STRONG>o</STRONG> if the <EM>win</EM> parameter is null or
-</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
- Upon successful completion, these functions return <B>OK</B>. Otherwise, they
- return <B>ERR</B>.
+ <STRONG>o</STRONG> if the <EM>wchstr</EM> parameter is null.
+
+ Functions prefixed with "mv" first perform cursor movement and fail if
+ the position (<EM>y</EM>, <EM>x</EM>) is outside the window boundaries.
- Functions with a "mv" prefix first perform a cursor movement using
- <B>wmove</B>, and return an error if the position is outside the window, or if
- the window pointer is null.
+
+</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
+ All routines except <STRONG>win_wchnstr</STRONG> may be macros.
+
+ Reading a line that overflows the array pointed to by <EM>wchstr</EM> with
+ <STRONG>in_wchstr</STRONG>, <STRONG>mvin_wchstr</STRONG>, <STRONG>mvwin_wchstr</STRONG> or <STRONG>win_wchstr</STRONG> causes undefined
+ results. Therefore, the use of <STRONG>in_wchnstr</STRONG>, <STRONG>mvin_wchnstr</STRONG>,
+ <STRONG>mvwin_wchnstr</STRONG>, or <STRONG>win_wchnstr</STRONG> is recommended.
</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
- The XSI Curses defines no error conditions. This implementation checks
- for null pointers, returning <B>ERR</B> in that case.
+ X/Open Curses defines no error conditions. This implementation checks
+ for null pointers, returning <STRONG>ERR</STRONG> in that case.
</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
- Functions: <B><A HREF="curses.3X.html">curses(3X)</A></B>, <B><A HREF="curs_in_wch.3X.html">curs_in_wch(3X)</A></B>, <B><A HREF="curs_instr.3X.html">curs_instr(3X)</A></B>, <B><A HREF="curs_inwstr.3X.html">curs_inwstr(3X)</A></B>
- <B><A HREF="curs_inchstr.3X.html">curs_inchstr(3X)</A></B>
+ <STRONG><A HREF="curs_inchstr.3x.html">curs_inchstr(3x)</A></STRONG> describes comparable functions of the <EM>ncurses</EM> library
+ in its non-wide-character configuration.
+ <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_inwstr.3x.html">curs_inwstr(3x)</A></STRONG>, <STRONG><A HREF="curs_in_wch.3x.html">curs_in_wch(3x)</A></STRONG>
- <B><A HREF="curs_in_wchstr.3X.html">curs_in_wchstr(3X)</A></B>
+
+ncurses 6.5 2024-04-20 <STRONG><A HREF="curs_in_wchstr.3x.html">curs_in_wchstr(3x)</A></STRONG>
</PRE>
<div class="nav">
<ul>
<li><a href="#h2-NAME">NAME</a></li>
<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
-<li><a href="#h2-NOTES">NOTES</a></li>
<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
+<li><a href="#h2-NOTES">NOTES</a></li>
<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
</ul>