item_init man page on MirBSD

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menu_hook(3)	    UNIX Programmer's Manual	     menu_hook(3)

NAME
     menu_hook - set hooks for automatic invocation by applica-
     tions

SYNOPSIS
     #include <menu.h>
     int set_item_init(MENU *menu, void (*func)(MENU *));
     void (*)(MENU *) item_init(const MENU *menu);
     int set_item_term(MENU *menu, void (*func)(MENU *));
     void (*)(MENU *) item_term(const MENU *menu);
     int set_menu_init(MENU *menu, void (*func)(MENU *));
     void (*)(MENU *) menu_init(const MENU *menu);
     int set_menu_term(MENU *menu, void (*func)(MENU *));
     void (*)(MENU *) menu_term(const MENU *menu);

DESCRIPTION
     These functions make it possible to set hook functions to be
     called at various points in the automatic processing of
     input event codes by menu_driver.

     The function set_item_init sets a hook to be called at
     menu-post time and each time the selected item changes
     (after the change).  item_init returns the current item init
     hook, if any (NULL if there is no such hook).

     The function set_item_term sets a hook to be called at
     menu-unpost time and each time the selected item changes
     (before the change).  item_term returns the current item
     term hook, if any (NULL if there is no such hook).

     The function set_menu_init sets a hook to be called at
     menu-post time and just after the top row on the menu
     changes once it is posted.	 menu_init returns the current
     menu init hook, if any (NULL if there is no such hook).

     The function set_menu_term sets a hook to be called at
     menu-unpost time and just before the top row on the menu
     changes once it is posted. menu_term returns the current
     menu term hook, if any (NULL if there is no such hook).

RETURN VALUE
     Routines that return pointers return NULL on error.  Other
     routines return one of the following:

     E_OK The routine succeeded.

     E_SYSTEM_ERROR
	  System error occurred (see errno).

SEE ALSO
     curses(3), menu(3).

MirOS BSD #10-current	Printed 18.8.2011			1

menu_hook(3)	    UNIX Programmer's Manual	     menu_hook(3)

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.

MirOS BSD #10-current	Printed 18.8.2011			2

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