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Update ncurses and associated libraries (form, panel, menu) to
6.4-20230826 (from 5.7-20081102).

Based on result from Thomas Dickey's ncu2openbsd script and then
modified. Switches to the upstream tput. Major bump for the ncurses
libraries and for libedit and libreadline.

Help from tb, millert.

ok deraadt sthen

.\" $OpenBSD: mitem_value.3,v 1.5 2023/10/17 09:52:10 nicm Exp $
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.\" $Id: mitem_value.3,v 1.5 2023/10/17 09:52:10 nicm Exp $
.TH mitem_value 3 2023-07-01 "ncurses 6.4" "Library calls"
.SH NAME
\fBset_item_value\fP,
\fBitem_value\fP \- set and get menu item values
.SH SYNOPSIS
\fB#include <menu.h>\fP
.sp
\fBint set_item_value(ITEM *\fIitem\fB, bool \fIvalue\fB);\fR
.br
\fBbool item_value(const ITEM *\fIitem\fB);\fR
.SH DESCRIPTION
If you turn off the menu option \fBO_ONEVALUE\fP (e.g., with
\fBset_menu_opts\fP or \fBmenu_opts_off\fP; see \fBmenu_opts\fP(3)), the menu
becomes multi-valued; that is, more than one item may simultaneously be
selected.
.PP
In a multi_valued menu, you can used \fBset_item_value\fP to select the
given menu item (second argument \fBTRUE\fP) or deselect it (second argument
\fBFALSE\fP).
.SH RETURN VALUE
The function \fBset_item_value\fP returns one of the following:
.TP 5
.B E_OK
The routine succeeded.
.TP 5
.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fP(3)).
.TP 5
.B E_REQUEST_DENIED
The menu driver could not process the request.
.SH SEE ALSO
\fBcurses\fP(3), \fBmenu\fP(3).
.SH NOTES
The header file \fB<menu.h>\fP automatically includes the header file
\fB<curses.h>\fP.
.SH PORTABILITY
These routines emulate the System V menu library.
They were not supported on
Version 7 or BSD versions.
.SH AUTHORS
Juergen Pfeifer.
Manual pages and adaptation for new curses by Eric S. Raymond.