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30 * @Id: curs_insch.3x,v 1.13 2010/12/04 18:38:55 tom Exp @
34 <TITLE>curs_insch
3x
</TITLE>
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href=
"mailto:bug-ncurses@gnu.org">
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39 <H1>curs_insch
3x
</H1>
42 <!-- Manpage converted by man2html 3.0.1 -->
43 <STRONG><A HREF=
"curs_insch.3x.html">curs_insch(
3x)
</A></STRONG> <STRONG><A HREF=
"curs_insch.3x.html">curs_insch(
3x)
</A></STRONG>
50 <STRONG>insch
</STRONG>,
<STRONG>winsch
</STRONG>,
<STRONG>mvinsch
</STRONG>,
<STRONG>mvwinsch
</STRONG> - insert a character
51 before cursor in a
<STRONG>curses
</STRONG> window
55 <H2>SYNOPSIS
</H2><PRE>
56 <STRONG>#include
</STRONG> <STRONG><curses.h
></STRONG>
58 <STRONG>int
</STRONG> <STRONG>insch(chtype
</STRONG> <STRONG>ch);
</STRONG>
59 <STRONG>int
</STRONG> <STRONG>winsch(WINDOW
</STRONG> <STRONG>*win,
</STRONG> <STRONG>chtype
</STRONG> <STRONG>ch);
</STRONG>
60 <STRONG>int
</STRONG> <STRONG>mvinsch(int
</STRONG> <STRONG>y,
</STRONG> <STRONG>int
</STRONG> <STRONG>x,
</STRONG> <STRONG>chtype
</STRONG> <STRONG>ch);
</STRONG>
61 <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>
65 <H2>DESCRIPTION
</H2><PRE>
66 These routines insert the character
<EM>ch
</EM> before the charac-
67 ter under the cursor. All characters to the right of the
68 cursor are moved one space to the right, with the possi-
69 bility of the rightmost character on the line being lost.
70 The insertion operation does not change the cursor posi-
75 <H2>RETURN VALUE
</H2><PRE>
76 All routines that return an integer return
<STRONG>ERR
</STRONG> upon fail-
77 ure and OK (SVr4 specifies only
"an integer value other
78 than <STRONG>ERR</STRONG>") upon successful completion, unless otherwise
79 noted in the preceding routine descriptions.
81 Functions with a
"mv" prefix first perform a cursor move-
82 ment using
<STRONG>wmove
</STRONG>, and return an error if the position is
83 outside the window, or if the window pointer is null.
88 These routines do not necessarily imply use of a hardware
89 insert character feature.
91 Note that
<STRONG>insch
</STRONG>,
<STRONG>mvinsch
</STRONG>, and
<STRONG>mvwinsch
</STRONG> may be macros.
95 <H2>PORTABILITY
</H2><PRE>
96 These functions are described in the XSI Curses standard,
101 <H2>SEE ALSO
</H2><PRE>
102 <STRONG><A HREF=
"ncurses.3x.html">curses(
3x)
</A></STRONG>.
104 Comparable functions in the wide-character (ncursesw)
105 library are described in
<STRONG><A HREF=
"curs_ins_wch.3x.html">curs_ins_wch(
3x)
</A></STRONG>.
109 <STRONG><A HREF=
"curs_insch.3x.html">curs_insch(
3x)
</A></STRONG>
113 Man(
1) output converted with
114 <a href=
"http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html
</a>