menu_term(3X) — DG/UX R4.11



menu_hook(3X)                     SDK R4.11                    menu_hook(3X)


NAME
       menuhook: setiteminit, iteminit, setitemterm, itemterm,
       setmenuinit, menuinit, setmenuterm, menuterm - assign
       application-specific routines for automatic invocation by menus

SYNOPSIS
       #include <menu.h>

       int setiteminit(MENU *menu, void (*func)(MENU *));
       void (*)(MENU *) iteminit(MENU *menu);
       int setitemterm(MENU *menu, void (*func)(MENU *));
       void (*)(MENU *) itemterm(MENU *menu);
       int setmenuinit(MENU *menu, void (*func)(MENU *));
       void (*)(MENU *) menuinit(MENU *menu);
       int setmenuterm(MENU *menu, void (*func)(MENU *));
       void (*)(MENU *) menuterm(MENU *menu);

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

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

       setmenuinit assigns an application-defined function to be called
       when the menu is posted and just after the top row changes on a
       posted menu.  menuinit 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.

       setmenuterm assigns an application-defined function to be called
       when the menu is unposted and just before the top row changes on a
       posted menu.  menuterm 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.

RETURN VALUE
       Routines that return pointers always return NULL on error.  Routines
       that return an integer return one of the following:
       EOK           - The routine returned successfully.
       ESYSTEMERROR - System error.

NOTES
       The header file <menu.h> automatically includes the header files
       <eti.h> and <curses.h>.

SEE ALSO
       curses(3X), menus(3X), menucontrol(3X), menuhook(3X).


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