86 lines
2.8 KiB
Groff
86 lines
2.8 KiB
Groff
.\" $NetBSD: menu_new.3,v 1.11 2017/07/03 21:32:50 wiz Exp $
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.\"
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.\" Copyright (c) 1999
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.\" Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
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.\"
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.\" This code is donated to The NetBSD Foundation by the author.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the Author may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd September 10, 1999
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.Dt MENU_NEW 3
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.Os
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.Sh NAME
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.Nm free_menu ,
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.Nm new_menu
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.Nd create or delete a menu
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.Sh LIBRARY
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.Lb libmenu
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.Sh SYNOPSIS
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.In menu.h
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.Ft int
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.Fn free_menu "MENU *menu"
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.Ft MENU *
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.Fn new_menu "ITEM **items"
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.Sh DESCRIPTION
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The
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.Fn free_menu
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.Fa menu
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function destroys the given menu and frees all allocated storage
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associated with the menu.
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All items associated with the menu are
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detached from the menu before it is destroyed.
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The
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.Fn new_menu
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function allocates storage for a new menu and initializes all the
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values to the defined defaults.
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If the items pointer passed is not a NULL then the given NULL terminated
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array of items is attached to the new menu.
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.Sh RETURN VALUES
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The
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.Fn new_menu
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function returns NULL on error, while the
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.Fn free_menu
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function returns one of the following error values:
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.Pp
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.Bl -tag -width E_BAD_ARGUMENT -compact
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.It Er E_OK
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The function was successful.
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.It Er E_BAD_ARGUMENT
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One or more of the arguments passed to the function was incorrect.
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.It Er E_POSTED
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The menu is already posted.
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.El
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.Sh SEE ALSO
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.Xr curses 3 ,
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.Xr menus 3
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.Sh NOTES
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The header
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.Pa <menu.h>
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automatically includes both
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.Pa <curses.h>
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and
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.Pa <eti.h> .
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