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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                         I N T E R F A C E S . C                          --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 1992-2009, 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+package body Interfaces.C is
+
+   -----------------------
+   -- Is_Nul_Terminated --
+   -----------------------
+
+   --  Case of char_array
+
+   function Is_Nul_Terminated (Item : char_array) return Boolean is
+   begin
+      for J in Item'Range loop
+         if Item (J) = nul then
+            return True;
+         end if;
+      end loop;
+
+      return False;
+   end Is_Nul_Terminated;
+
+   ------------
+   -- To_Ada --
+   ------------
+
+   --  Convert char to Character
+
+   function To_Ada (Item : char) return Character is
+   begin
+      return Character'Val (char'Pos (Item));
+   end To_Ada;
+
+   ----------
+   -- To_C --
+   ----------
+
+   --  Convert Character to char
+
+   function To_C (Item : Character) return char is
+   begin
+      return char'Val (Character'Pos (Item));
+   end To_C;
+
+end Interfaces.C;