NAME
item_value,
set_item_value,
item_selected —
get or set value for an item
LIBRARY
library “libmenu”
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
Theitem_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
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.