mitem_value(3x)                                         mitem_value(3x)
       set_item_value, item_value - set and get menu item values
       #include <menu.h>
       int set_item_value(ITEM *item, bool value);
       bool item_value(const ITEM *item);
       If  you  turn  off  the menu option O_ONEVALUE (e.g., with
       set_menu_opts or menu_opts_off;  see  menu_opts(3x)),  the
       menu becomes multi-valued; that is, more than one item may
       simultaneously be selected.
       In a multi_valued menu, you  can  used  set_item_value  to
       select the given menu item (second argument TRUE) or dese-
       lect it (second argument FALSE).
       The function set_item_value returns one of the following:
       E_OK The routine succeeded.
       E_SYSTEM_ERROR
            System error occurred (see errno).
       E_REQUEST_DENIED
            The menu driver could not process the request.
       curses(3x), menu(3x).
       The header file <menu.h> automatically includes the header
       file <curses.h>.
       These  routines  emulate  the System V menu library.  They
       were not supported on Version 7 or BSD versions.
       Juergen Pfeifer.  Manual  pages  and  adaptation  for  new
       curses by Eric S. Raymond.
                                                        mitem_value(3x)