120 lines
5.0 KiB
Plaintext
120 lines
5.0 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright 2019,2020 Thomas E. Dickey *
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.\" Copyright 1998-2012,2017 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_addstr.3x,v 1.23 2020/10/17 23:11:02 tom Exp $
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.TH curs_addstr 3X ""
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.ie \n(.g .ds `` \(lq
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.el .ds `` ``
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.ie \n(.g .ds '' \(rq
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.el .ds '' ''
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.de bP
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.ie n .IP \(bu 4
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.el .IP \(bu 2
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..
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.na
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.hy 0
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.SH NAME
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\fBaddstr\fR,
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\fBaddnstr\fR,
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\fBwaddstr\fR,
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\fBwaddnstr\fR,
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\fBmvaddstr\fR,
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\fBmvaddnstr\fR,
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\fBmvwaddstr\fR,
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\fBmvwaddnstr\fR \- add a string of characters to a \fBcurses\fR window and advance cursor
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.ad
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.hy
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.SH SYNOPSIS
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.nf
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\fB#include <curses.h>\fR
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.PP
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\fBint addstr(const char *\fR\fIstr\fR\fB);\fR
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.br
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\fBint addnstr(const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR
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.br
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\fBint waddstr(WINDOW *\fR\fIwin\fR\fB, const char *\fR\fIstr\fR\fB);\fR
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.br
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\fBint waddnstr(WINDOW *\fR\fIwin\fR\fB, const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR
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.sp
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\fBint mvaddstr(int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB);\fR
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.br
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\fBint mvaddnstr(int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR
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.br
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\fBint mvwaddstr(WINDOW *\fR\fIwin\fR\fB, int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB);\fR
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.br
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\fBint mvwaddnstr(WINDOW *\fR\fIwin\fR\fB, int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr, int \fR\fIn\fR\fB);\fR
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.fi
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.SH DESCRIPTION
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These functions write the (null-terminated) character string
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\fIstr\fR on the given window.
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It is similar to calling \fBwaddch\fR once for each byte in the string.
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.PP
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The \fImv\fR functions perform cursor movement once, before writing any
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characters.
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Thereafter, the cursor is advanced as a side-effect of writing to the window.
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.PP
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The four functions with \fIn\fR as the last argument
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write at most \fIn\fR bytes,
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or until a terminating null is reached.
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If \fIn\fR is \-1, then the entire string will be added.
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.SH RETURN VALUE
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All functions return the integer \fBERR\fR upon failure and \fBOK\fR on success.
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.PP
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X/Open does not define any error conditions.
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This implementation returns an error
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.bP
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if the window pointer is null or
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.bP
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if the string pointer is null or
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.bP
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if the corresponding calls to \fBwaddch\fP return an error.
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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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If an error is returned by the \fBwmove\fP,
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no characters are added to the window.
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.PP
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If an error is returned by \fBwaddch\fP
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(e.g.,
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because the window is not large enough,
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or an illegal byte sequence was detected)
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only part of the string may be added.
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Aside from that,
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there is a special case in \fBwaddch\fP where an error may be
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returned after successfully writing a character to the lower-right corner
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of a window when \fBscrollok\fP is disabled.
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.SH NOTES
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All of these functions except \fBwaddnstr\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.
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.SH SEE ALSO
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\fBcurses\fR(3X),
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\fBcurs_addch\fR(3X).
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