set_item_init() assigns the application-defined function to be called when the menu is posted and just after the current item changes. item_init() returns a pointer to the item initialization routine, if any, called when the menu is posted and just after the current item changes.

set_item_term() assigns an application-defined function to be called when the menu is unposted and just before the current item changes. item_term() returns a pointer to the termination function, if any, called when the menu is unposted and just before the current item changes.

set_menu_init() assigns an application-defined function to be called when the menu is posted and just after the top row changes on a posted menu. menu_init() returns a pointer to the menu initialization routine, if any, called when the menu is posted and just after the top row changes on a posted menu.

set_menu_term() assigns an application-defined function to be called when the menu is unposted and just before the top row changes on a posted menu. menu_term() returns a pointer to the menu termination routine, if any, called when the menu is unposted and just before the top row changes on a posted menu.

Routines that return pointers always return NULL on error. Routines that return an integer return one of the following:

E_OK

The routine returned successfully.

E_SYSTEM_ERROR

System error.

See attributes(5) for descriptions of the following attributes:

curses(3CURSES), menus(3CURSES), attributes(5)

The header <menu.h> automatically includes the headers <eti.h> and <curses.h>.