51ffecc181
. abandons mixer, gomoku, talk, talkd, top from base system . compile top with clang so no ack-compiled program needs -lcurses any more
109 lines
3.3 KiB
Groff
109 lines
3.3 KiB
Groff
.\" $NetBSD: curses_insertln.3,v 1.4 2006/02/05 17:07:13 jdc Exp $
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.\"
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.\" Copyright (c) 2002
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.\" Brett Lymn (blymn@NetBSD.org, brett_lymn@yahoo.com.au)
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.\"
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.\" This code is donated to the NetBSD Foundation by the Author.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the Author may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\"
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.Dd February 5, 2006
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.Dt CURSES_INSERTLN 3
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.Os
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.Sh NAME
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.Nm curses_insertln ,
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.Nm insertln ,
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.Nm winsertln
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.Nd curses insert single line routines
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.Sh LIBRARY
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.Lb libcurses
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.Sh SYNOPSIS
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.In curses.h
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.Ft int
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.Fn insertln "void"
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.Ft int
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.Fn winsertln "WINDOW *win"
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.Sh DESCRIPTION
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These functions insert a single line on
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.Dv stdscr
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or on the specified window.
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.Pp
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The
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.Fn insertln
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function inserts a blank line before the current line on
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.Dv stdscr .
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The current line and all lines below are moved down one line away from
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the cursor and the bottom line of the window is lost.
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.Pp
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The
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.Fn winsertln
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function is the same as the
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.Fn insertln
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function, excepting that the line is inserted on the window
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.Fa win .
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.Pp
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If a scrolling region has been set with the
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.Fn setscrreg
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or
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.Fn wsetscrreg
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functions and the current cursor position is inside the scrolling region,
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then only the lines from the current line to the bottom of the scrolling
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region are moved down and the bottom line of the scrolling region lost.
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.Pp
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The functions
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.Fn insertln
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and
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.Fn winsertln win
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are equivalent to
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.Fn insdelln 1
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and
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.Fn winsdelln win 1 ,
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respectively.
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.Sh RETURN VALUES
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Functions returning pointers will return
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.Dv NULL
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if an error is detected.
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The functions that return an int will return one of the following
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values:
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.Pp
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.Bl -tag -width ERR -compact
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.It Er OK
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The function completed successfully.
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.It Er ERR
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An error occurred in the function.
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.El
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.Sh SEE ALSO
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.Xr curses_deleteln 3 ,
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.Xr curses_insdelln 3 ,
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.Xr curses_scroll 3
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.Sh STANDARDS
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The
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.Nx
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Curses library complies with the X/Open Curses specification, part of
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the Single Unix Specification.
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.Sh HISTORY
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The Curses package appeared in
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.Bx 4.0 .
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