NetBSD/lib/libmenu/menu_new.3

86 lines
2.8 KiB
Groff

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