_MENU               Menu pointer
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 Declaration
   menu.hdr

 Syntax
   typedef ulong _MENU

 Description
   The _MENU type is used to declare a pointer to a menu. A menu pointer
   is returned by the menunew() function, and used by the other menu related
   functions.

 Example
   #define EXAMPLE_TYPE
   #include example.hdr

   proc Test_MENU
   vardef
      _MENU pMenu
   enddef
   menuseterror( .f. )      // Turn off menu run-time error handling
   ? coreleft()             // Prints a value
   pMenu = menunew()
   ? coreleft()             // Prints a value smaller than the previous one
   ? menuclear( pMenu )     // Prints .T.
   ? coreleft()             // Again prints the first value
   ? menuclear( pMenu )     // Prints .F.
   endproc

   proc main
   Test_MENU()
   endproc