--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/a-szuzti.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,71 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--             ADA.STRINGS.WIDE_WIDE_UNBOUNDED.WIDE_WIDE_TEXT_IO            --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1997-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This child package of Ada.Strings.Wide_Wide_Unbounded provides specialized
+--  Wide_Wide_Text_IO routines that work directly with unbounded wide wide
+--  strings, avoiding the inefficiencies of access via the standard interface,
+--  and also taking direct advantage of the variable length semantics of these
+--  strings.
+
+with Ada.Wide_Wide_Text_IO;
+
+package Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO is
+
+   function Get_Line
+     return Unbounded_Wide_Wide_String;
+   function Get_Line
+     (File : Ada.Wide_Wide_Text_IO.File_Type)
+      return Unbounded_Wide_Wide_String;
+   --  Reads up to the end of the current line, returning the result
+   --  as an unbounded string of appropriate length. If no File parameter
+   --  is present, input is from Current_Input.
+
+   procedure Get_Line
+     (File : Ada.Wide_Wide_Text_IO.File_Type;
+      Item : out Unbounded_Wide_Wide_String);
+   procedure Get_Line (Item : out Unbounded_Wide_Wide_String);
+   --  Similar to the above, but in procedure form with an out parameter
+
+   procedure Put
+     (U : Unbounded_Wide_Wide_String);
+   procedure Put
+     (File : Ada.Wide_Wide_Text_IO.File_Type;
+      U    : Unbounded_Wide_Wide_String);
+   procedure Put_Line
+     (U    : Unbounded_Wide_Wide_String);
+   procedure Put_Line
+     (File : Ada.Wide_Wide_Text_IO.File_Type;
+      U    : Unbounded_Wide_Wide_String);
+   --  These are equivalent to the standard Wide_Wide_Text_IO routines passed
+   --  the value To_Wide_Wide_String (U), but operate more efficiently,
+   --  because the extra copy of the argument is avoided.
+
+end Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO;