установить и получить значения пунктов меню (set and get menu item values)
Имя (Name)
set_item_value, item_value - set and get menu item values
Синопсис (Synopsis)
#include <menu.h>
int set_item_value(ITEM *item, bool value);
bool item_value(const ITEM *item);
Описание (Description)
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 deselect it (second
argument FALSE).
Возвращаемое значение (Return value)
The function set_item_value returns one of the following:
E_OK The routine succeeded.
E_SYSTEM_ERROR
System error occurred (see errno(3)).
E_REQUEST_DENIED
The menu driver could not process the request.
Смотри также (See also)
curses(3X), menu(3X).
Примечание (Note)
The header file <menu.h> automatically includes the header file
<curses.h>.
Портативность (Portability)
These routines emulate the System V menu library. They were not
supported on Version 7 or BSD versions.
