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MENU_ITEM_VALUE(3) Library Functions Manual MENU_ITEM_VALUE(3) NAME item_value, set_item_value, item_selected - get or set value for an item LIBRARY Curses Menu Library (libmenu, -lmenu) SYNOPSIS #include <menu.h> int item_value(ITEM *item); int set_item_value(ITEM *item, int flag); int item_selected(MENU *menu, int **array); DESCRIPTION The item_value() function returns value of the item. If the item has been selected then this value will be TRUE. The value can also be set by calling set_item_value() to set the value to a defined state. Setting the value to a value other than TRUE or FALSE will have undefined results. The item_selected() function returns the number of items that are selected in the menu, that is the number of items whose value is TRUE. The indexes of the selected items will be returned in array which will be dynamically allocated to hold the number of indexes. It is the responsibility of the caller to release this storage by calling free(3) when the storage is no longer required. If there are no elements selected in the items array then item_selected() will return 0 and array will be NULL. If an error occurs item_selected() will return one of the below return values which are less than 0. RETURN VALUES The functions return one of the following error values: E_OK The function was successful. E_NOT_CONNECTED The item is not connected to a menu. E_REQUEST_DENIED The menu driver could not process the request. E_SYSTEM_ERROR A system error occurred whilst processing the request. SEE ALSO curses(3), menus(3) NOTES The header <menu.h> automatically includes both <curses.h> and <eti.h>. The function item_selected() is a NetBSD extension and must not be used in portable code. NetBSD 8.99.34 September 10, 1999 NetBSD 8.99.34