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.\" $OpenBSD: mitem_value.3,v 1.3 2010/01/12 23:22:08 nicm Exp $
.\"
.\"***************************************************************************
.\" Copyright (c) 1998-2002,2006 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" "Software"), to deal in the Software without restriction, including *
.\" without limitation the rights to use, copy, modify, merge, publish, *
.\" distribute, distribute with modifications, sublicense, and/or sell *
.\" copies of the Software, and to permit persons to whom the Software is *
.\" furnished to do so, subject to the following conditions: *
.\" *
.\" The above copyright notice and this permission notice shall be included *
.\" in all copies or substantial portions of the Software. *
.\" *
.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
.\" *
.\" Except as contained in this notice, the name(s) of the above copyright *
.\" holders shall not be used in advertising or otherwise to promote the *
.\" sale, use or other dealings in this Software without prior written *
.\" authorization. *
.\"***************************************************************************
.\"
.\" $Id: mitem_value.3,v 1.3 2010/01/12 23:22:08 nicm Exp $
.TH mitem_value 3 ""
.SH NAME
\fBmitem_value\fR - set and get menu item values
.SH SYNOPSIS
\fB#include <menu.h>\fR
.br
int set_item_value(ITEM *item, bool value);
.br
bool item_value(const ITEM *item);
.br
.SH DESCRIPTION
If you turn off the menu option \fBO_ONEVALUE\fR (e.g., with
\fBset_menu_opts\fR or \fBmenu_opts_off\fR; see \fBmenu_opts\fR(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\fR to select the
given menu item (second argument \fBTRUE\fR) or deselect it (second argument
\fBFALSE\fR).
.SH RETURN VALUE
The function \fBset_item_value\fR returns one of the following:
.TP 5
.B E_OK
The routine succeeded.
.TP 5
.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fR).
.TP 5
.B E_REQUEST_DENIED
The menu driver could not process the request.
.SH SEE ALSO
\fBcurses\fR(3), \fBmenu\fR(3).
.SH NOTES
The header file \fB<menu.h>\fR automatically includes the header file
\fB<curses.h>\fR.
.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.
.\"#
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