.\"	$NetBSD: curses_insch.3,v 1.2 2018/10/25 10:41:00 uwe Exp $
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.\" Copyright (c) 2002
.\"	Brett Lymn (blymn@NetBSD.org, brett_lymn@yahoo.com.au)
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.Dd October 25, 2018
.Dt CURSES_INSCH 3
.Os
.Sh NAME
.Nm curses_insch ,
.Nm insch ,
.Nm winsch ,
.Nm mvinsch ,
.Nm mvwinsch
.Nd curses insert characters routines
.Sh LIBRARY
.Lb libcurses
.Sh SYNOPSIS
.In curses.h
.Ft int
.Fn insch "chtype ch"
.Ft int
.Fn winsch "WINDOW *win" "chtype ch"
.Ft int
.Fn mvinsch "int y" "int x" "chtype ch"
.Ft int
.Fn mvwinsch "WINDOW *win" "int y" "int x" "chtype ch"
.Sh DESCRIPTION
These functions insert characters on
.Dv stdscr
or on the specified window.
.Pp
The
.Fn insch
function inserts the character given in
.Fa ch
at the current cursor position on
.Dv stdscr .
The cursor is not advanced and wrapping is not performed.
.Pp
The
.Fn winsch
function is the same as the
.Fn insch
function, excepting that the character is inserted on the window specified by
.Fa win .
.Pp
The
.Fn mvinsch
and
.Fn mvwinsch
functions are the same as the
.Fn insch
and
.Fn insch
functions, respectively, excepting that
.Fn wmove
is called to move the cursor to the position specified by
.Fa y ,
.Fa x
before the character is inserted on the 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_cursor 3 ,
.Xr curses_delch 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 .