Description of files 
--------------------
  menus 
    |
    |----> menu_attrib.c	-- Usage of menu attributes
    |----> menu_item_data.c	-- Usage of item_name() etc.. functions
    |----> menu_multi_column.c	-- Creates multi columnar menus
    |----> menu_scroll.c	-- Demonstrates scrolling capability of menus
    |----> menu_simple.c	-- A simple menu accessed by arrow keys
    |----> menu_toggle.c	-- Creates multi valued menus and explains
    |				-- REQ_TOGGLE_ITEM
    |----> menu_userptr.c	-- Usage of user pointer
    |----> menu_win.c		-- Demo of windows associated with menus