menu_topmost

	top_menu.i4.v = menu_topmost()

	This routine will return the ID of the topmost menu created by
	menu(_c), menu_create(_c), or multicolor_menu_create_c.

	This function returns status values as follows:

	ID of the topmost menu

	This function requires the following include files:

	cbslib_h

	Related functions:

	menu_create(_c), multicolor_menu_create_c, menu(_c), menu_update(_c),
	menu_delete(_c), menu_change_entry_c, menu_change_entry_case_c,
	menu_set_current_entry_c

	C/C++ usage:

	int	top_menu;

	top_menu = menu_topmost();