91 lines
2.8 KiB
Groff
91 lines
2.8 KiB
Groff
.\" $NetBSD: curses_delch.3,v 1.1 2002/10/21 13:55:13 blymn Exp $
|
|
.\"
|
|
.\" Copyright (c) 2002
|
|
.\" Brett Lymn (blymn@netbsd.org, brett_lymn@yahoo.com.au)
|
|
.\"
|
|
.\" This code is donated to the NetBSD Foundation by the Author.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. The name of the Author may not be used to endorse or promote
|
|
.\" products derived from this software without specific prior written
|
|
.\" permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\"
|
|
.Dd August 12, 2002
|
|
.Dt CURSES_DELCH 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm curses_delch ,
|
|
.Nm delch ,
|
|
.Nm wdelch
|
|
.Nd curses delete characters routines
|
|
.Sh LIBRARY
|
|
.Lb libcurses
|
|
.Sh SYNOPSIS
|
|
.Fd #include \*[Lt]curses.h\*[Gt]
|
|
.Ft int
|
|
.Fn delch "void"
|
|
.Ft int
|
|
.Fn wdelch "WINDOW *win"
|
|
.Sh DESCRIPTION
|
|
These functions delete characters from
|
|
.Dv stdscr
|
|
or from the specified window.
|
|
.Pp
|
|
The
|
|
.Fn delch
|
|
function deletes the character at the current cursor position on
|
|
.Dv stdscr .
|
|
Characters to the right of the deleted character are moved one position
|
|
to the left.
|
|
The cursor position is unchanged.
|
|
.Pp
|
|
The
|
|
.Fn wdelch
|
|
function is the same as the
|
|
.Fn delch
|
|
function, excepting that the character is deleted from the specified window.
|
|
.Sh RETURN VALUES
|
|
Functions returning pointers will return
|
|
.Dv NULL
|
|
if an error is detected.
|
|
The functions that return an int will return one of the following
|
|
values:
|
|
.Pp
|
|
.Bl -tag -width ERR -compact
|
|
.It Er OK
|
|
The function completed successfully.
|
|
.It Er ERR
|
|
An error occurred in the function.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr curses_addch 3 ,
|
|
.Xr curses_insertch 3
|
|
.Sh STANDARDS
|
|
The
|
|
.Nx
|
|
Curses library complies with the X/Open Curses specification, part of the
|
|
Single Unix Specification.
|
|
.Sh HISTORY
|
|
The Curses package appeared in
|
|
.Bx 4.0 .
|