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30 * @Id: curs_instr.3x,v 1.22 2020/10/18 00:18:27 tom Exp @
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42 <H1 class="no-header">curs_instr 3X</H1>
44 <B><A HREF="curs_instr.3X.html">curs_instr(3X)</A></B> <B><A HREF="curs_instr.3X.html">curs_instr(3X)</A></B>
49 </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
50 <B>instr</B>, <B>innstr</B>, <B>winstr</B>, <B>winnstr</B>, <B>mvinstr</B>, <B>mvinnstr</B>, <B>mvwinstr</B>, <B>mvwinnstr</B>
51 - get a string of characters from a <B>curses</B> window
54 </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
55 <B>#include</B> <B><curses.h></B>
57 <B>int</B> <B>instr(char</B> <B>*</B><I>str</I><B>);</B>
58 <B>int</B> <B>innstr(char</B> <B>*</B><I>str</I><B>,</B> <B>int</B> <I>n</I><B>);</B>
59 <B>int</B> <B>winstr(WINDOW</B> <B>*</B><I>win</I><B>,</B> <B>char</B> <B>*</B><I>str</I><B>);</B>
60 <B>int</B> <B>winnstr(WINDOW</B> <B>*</B><I>win</I><B>,</B> <B>char</B> <B>*</B><I>str</I><B>,</B> <B>int</B> <I>n</I><B>);</B>
62 <B>int</B> <B>mvinstr(int</B> <I>y</I><B>,</B> <B>int</B> <I>x</I><B>,</B> <B>char</B> <B>*</B><I>str</I><B>);</B>
63 <B>int</B> <B>mvinnstr(int</B> <I>y</I><B>,</B> <B>int</B> <I>x</I><B>,</B> <B>char</B> <B>*</B><I>str</I><B>,</B> <B>int</B> <I>n</I><B>);</B>
64 <B>int</B> <B>mvwinstr(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>char</B> <B>*</B><I>str</I><B>);</B>
65 <B>int</B> <B>mvwinnstr(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>char</B> <B>*</B><I>str</I><B>,</B> <B>int</B> <I>n</I><B>);</B>
68 </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
69 These routines return a string of characters in <I>str</I>, extracted starting
70 at the current cursor position in the named window. Attributes are
71 stripped from the characters. The four functions with <I>n</I> as the last
72 argument return a leading substring at most <I>n</I> characters long
73 (exclusive of the trailing NUL).
76 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
77 All of the functions return <B>ERR</B> upon failure, or the number of
78 characters actually read into the string.
80 X/Open Curses defines no error conditions. In this implementation:
82 <B>o</B> If the <I>win</I> parameter is null, an error is returned,
84 <B>o</B> If the <I>chstr</I> parameter is null, an error is returned,
86 Functions with a "mv" prefix first perform a cursor movement using
87 <B>wmove</B>, and return an error if the position is outside the window, or if
88 the window pointer is null.
91 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
92 Note that all routines except <B>winnstr</B> may be macros.
95 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
96 SVr4 does not document whether a length limit includes or excludes the
99 The ncurses library extends the XSI description by allowing a negative
100 value for <I>n</I>. In this case, the functions return the string ending at
104 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
105 <B><A HREF="curses.3X.html">curses(3X)</A></B>.
109 <B><A HREF="curs_instr.3X.html">curs_instr(3X)</A></B>
113 <li><a href="#h2-NAME">NAME</a></li>
114 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
115 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
116 <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
117 <li><a href="#h2-NOTES">NOTES</a></li>
118 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
119 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>