100 lines
4.5 KiB
Plaintext
100 lines
4.5 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright (c) 1998-2006,2010 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: curs_insstr.3x,v 1.21 2010/12/04 18:38:55 tom Exp $
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.TH curs_insstr 3X ""
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.SH NAME
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\fBinsstr\fR,
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\fBinsnstr\fR,
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\fBwinsstr\fR,
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\fBwinsnstr\fR,
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\fBmvinsstr\fR,
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\fBmvinsnstr\fR,
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\fBmvwinsstr\fR,
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\fBmvwinsnstr\fR \- insert string before cursor in a \fBcurses\fR window
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.SH SYNOPSIS
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\fB#include <curses.h>\fR
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.br
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\fBint insstr(const char *str);\fR
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.br
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\fBint insnstr(const char *str, int n);\fR
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.br
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\fBint winsstr(WINDOW *win, const char *str);\fR
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.br
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\fBint winsnstr(WINDOW *win, const char *str, int n);\fR
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.br
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\fBint mvinsstr(int y, int x, const char *str);\fR
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.br
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\fBint mvinsnstr(int y, int x, const char *str, int n);\fR
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.br
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\fBint mvwinsstr(WINDOW *win, int y, int x, const char *str);\fR
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.br
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\fBint mvwinsnstr(WINDOW *win, int y, int x, const char *str, int n);\fR
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.br
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.SH DESCRIPTION
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These routines insert a character string
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(as many characters as will fit on the line)
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before the character under the cursor.
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All characters to the right of the cursor are shifted right
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with the possibility of the rightmost characters on the line being lost.
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The cursor position does not change
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(after moving to \fIy\fR, \fIx\fR, if specified).
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The functions with \fIn\fR as the last argument
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insert a leading substring of at most \fIn\fR characters.
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If \fIn\fR<=0, then the entire string is inserted.
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.PP
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Special characters are handled as in \fBaddch\fP.
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.SH RETURN VALUE
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All routines that return an integer return \fBERR\fR upon failure and OK (SVr4
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specifies only "an integer value other than \fBERR\fR") upon successful
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completion, unless otherwise noted in the preceding routine descriptions.
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.PP
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X/Open defines no error conditions.
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In this implementation,
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if the window parameter is null or the str parameter is null,
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an error is returned.
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.PP
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Functions with a "mv" prefix first perform a cursor movement using
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\fBwmove\fP, and return an error if the position is outside the window,
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or if the window pointer is null.
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.SH NOTES
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Note that all but \fBwinsnstr\fR may be macros.
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.SH PORTABILITY
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These functions are described in the XSI Curses standard, Issue 4, which adds
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const qualifiers to the arguments.
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.LP
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The Single Unix Specification, Version 2 states that
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\fBinsnstr\fP and \fBwinsnstr\fP perform wrapping.
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This is probably an error, since it makes this group of functions inconsistent.
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Also, no implementation of curses documents this inconsistency.
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.SH SEE ALSO
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\fBcurses\fR(3X),
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\fBcurs_util\fR(3X),
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\fBcurs_clear\fR(3X),
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\fBcurs_inch\fR(3X).
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