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* @Id: curs_insch.3x,v 1.13 2010/12/04 18:38:55 tom Exp @
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<H1>curs_insch 3x</H1>
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<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
<STRONG><A HREF="curs_insch.3x.html">curs_insch(3x)</A></STRONG> <STRONG><A HREF="curs_insch.3x.html">curs_insch(3x)</A></STRONG>
</PRE>
<H2>NAME</H2><PRE>
<STRONG>insch</STRONG>, <STRONG>winsch</STRONG>, <STRONG>mvinsch</STRONG>, <STRONG>mvwinsch</STRONG> - insert a character
before cursor in a <STRONG>curses</STRONG> window
</PRE>
<H2>SYNOPSIS</H2><PRE>
<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
<STRONG>int</STRONG> <STRONG>insch(chtype</STRONG> <STRONG>ch);</STRONG>
<STRONG>int</STRONG> <STRONG>winsch(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>chtype</STRONG> <STRONG>ch);</STRONG>
<STRONG>int</STRONG> <STRONG>mvinsch(int</STRONG> <STRONG>y,</STRONG> <STRONG>int</STRONG> <STRONG>x,</STRONG> <STRONG>chtype</STRONG> <STRONG>ch);</STRONG>
<STRONG>int</STRONG> <STRONG>mvwinsch(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>int</STRONG> <STRONG>y,</STRONG> <STRONG>int</STRONG> <STRONG>x,</STRONG> <STRONG>chtype</STRONG> <STRONG>ch);</STRONG>
</PRE>
<H2>DESCRIPTION</H2><PRE>
These routines insert the character <EM>ch</EM> before the charac-
ter under the cursor. All characters to the right of the
cursor are moved one space to the right, with the possi-
bility of the rightmost character on the line being lost.
The insertion operation does not change the cursor posi-
tion.
</PRE>
<H2>RETURN VALUE</H2><PRE>
All routines that return an integer return <STRONG>ERR</STRONG> upon fail-
ure and OK (SVr4 specifies only "an integer value other
than <STRONG>ERR</STRONG>") upon successful completion, unless otherwise
noted in the preceding routine descriptions.
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>
These routines do not necessarily imply use of a hardware
insert character feature.
Note that <STRONG>insch</STRONG>, <STRONG>mvinsch</STRONG>, and <STRONG>mvwinsch</STRONG> may be macros.
</PRE>
<H2>PORTABILITY</H2><PRE>
These functions are described in the XSI Curses standard,
Issue 4.
</PRE>
<H2>SEE ALSO</H2><PRE>
<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>.
Comparable functions in the wide-character (ncursesw)
library are described in <STRONG><A HREF="curs_ins_wch.3x.html">curs_ins_wch(3x)</A></STRONG>.
<STRONG><A HREF="curs_insch.3x.html">curs_insch(3x)</A></STRONG>
</PRE>
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