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mitem_userptr(3x) [opendarwin man page]

mitem_userptr(3X)														 mitem_userptr(3X)

NAME
mitem_userptr - associate application data with a menu item SYNOPSIS
#include <menu.h> int set_item_userptr(ITEM *item, void *userptr); void *item_userptr(const ITEM *item); DESCRIPTION
Every menu item has a field that can be used to hold application-specific data (that is, the menu-driver code leaves it alone). These functions get and set that field. RETURN VALUE
Except for item_userptr (which returns NULL on error), each function returns one of the following: E_OK The routine succeeded. E_SYSTEM_ERROR System error occurred (see errno). SEE ALSO
curses(3X), menu(3X). NOTES
The header file <menu.h> automatically includes the header file <curses.h>. PORTABILITY
These routines emulate the System V menu library. They were not supported on Version 7 or BSD versions. The user pointer should be a void pointer. We leave it as a char pointer for SVr4 compatibility. AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. mitem_userptr(3X)

Check Out this Related Man Page

mitem_value(3X) 														   mitem_value(3X)

NAME
mitem_value - set and get menu item values SYNOPSIS
#include <menu.h> int set_item_value(ITEM *item, bool value); bool item_value(const ITEM *item); 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). 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). E_REQUEST_DENIED The menu driver could not process the request. SEE ALSO
curses(3X), menu(3X). NOTES
The header file <menu.h> automatically includes the header file <curses.h>. PORTABILITY
These routines emulate the System V menu library. They were not supported on Version 7 or BSD versions. AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. mitem_value(3X)
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