\" $NetBSD: curses_delch.3,v 1.5 2025/04/11 23:57:20 uwe Exp $

\" $NetBSD: curses_delch.3,v 1.5 2025/04/11 23:57:20 uwe Exp $
\"
\" Copyright (c) 2002
\" Brett Lymn ([email protected], [email protected])
\"
\" This code is donated to the NetBSD Foundation by the Author.
\"
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\" modification, are permitted provided that the following conditions
\" are met:
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\" 2. Redistributions in binary form must reproduce the above copyright
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\" 3. The name of the Author may not be used to endorse or promote
\" products derived from this software without specific prior written
\" permission.
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\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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Dd October 25, 2018
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
In curses.h
Ft int
Fn delch "void"
Ft int
Fn wdelch "WINDOW *win"
Sh DESCRIPTION
These functions delete characters from
Va stdscr
or from the specified window.
Pp
The
Fn delch
function deletes the character at the current cursor position on
Va 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_insch 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 .