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Man Pages
mitem_value(3X) mitem_value(3X)

mitem_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 deselect 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.

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