.\" $NetBSD: menu_items.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_ITEMS 3 .Os .Sh NAME .Nm item_count , .Nm menu_items , .Nm set_menu_items .Nd attach items to menus or check correspondences .Sh LIBRARY .Lb libmenu .Sh SYNOPSIS .In menu.h .Ft int .Fn item_count "MENU *menu" .Ft ITEM ** .Fn menu_items "MENU *menu" .Ft int .Fn set_menu_items "MENU *menu" "ITEM **items" .Sh DESCRIPTION The .Fn item_count .Fa menu function returns the number of items currently attached to the menu passed. The .Fn menu_items function returns a pointer to an array of item pointers that represent the menu items currently attached to the given menu. Apart from using .Fn new_menu (see .Xr menu_new 3 ) menu items may be attached to a menu by calling .Fn set_menu_items any items currently attached to the menu will be detached and the NULL terminated array of new items will be attached to the menu. .Sh RETURN VALUES Any function returning a string pointer will return NULL if an error occurs. Functions returning an integer will return one of the following: .Pp .Bl -tag -width E_CONNECTED -compact .It Er E_OK The function was successful. .It Er E_POSTED The menu is already posted. .It Er E_CONNECTED An item was already connected to a menu. .El .Sh SEE ALSO .Xr curses 3 , .Xr menus 3 .Sh NOTES The header .Pa