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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- S Y S T E M . V E R S I O N _ C O N T R O L --
+-- --
+-- S p e c --
+-- --
+-- 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. --
+-- --
+------------------------------------------------------------------------------
+
+-- This module contains the runtime routine for implementation of the
+-- Version and Body_Version attributes, as well as the string type that
+-- is returned as a result of using these attributes.
+
+with System.Unsigned_Types;
+
+package System.Version_Control is
+ pragma Pure;
+
+ subtype Version_String is String (1 .. 8);
+ -- Eight character string returned by Get_version_String;
+
+ function Get_Version_String
+ (V : System.Unsigned_Types.Unsigned)
+ return Version_String;
+ -- The version information in the executable file is stored as unsigned
+ -- integers. This routine converts the unsigned integer into an eight
+ -- character string containing its hexadecimal digits (with lower case
+ -- letters).
+
+end System.Version_Control;