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diff --git a/indexlib/bitio.h b/indexlib/bitio.h
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+#ifndef LPC_BITIO_H1103129408_INCLUDE_GUARD_
+#define LPC_BITIO_H1103129408_INCLUDE_GUARD_
+
+/* This file is part of indexlib.
+ * Copyright (C) 2005 Luís Pedro Coelho <luis@luispedro.org>
+ *
+ * Indexlib is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation and available as file
+ * GPL_V2 which is distributed along with indexlib.
+ * 
+ * Indexlib is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA
+ * 
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of this program with any edition of
+ * the Qt library by Trolltech AS, Norway (or with modified versions
+ * of Qt that use the same license as Qt), and distribute linked
+ * combinations including the two.  You must obey the GNU General
+ * Public License in all respects for all of the code used other than
+ * Qt.  If you modify this file, you may extend this exception to
+ * your version of the file, but you are not obligated to do so.  If
+ * you do not wish to do so, delete this exception statement from
+ * your version.
+ */
+
+#include <inttypes.h>
+#include "boost-compat/remove_cv.hpp"
+
+/**
+ * \namespace byte_io
+ *
+ * This namespace aggregates all input/output functions
+ * for our in-disk format, as well as information relating to
+ * that format.
+ *
+ */
+namespace byte_io {
+	template <typename T>
+	void write( unsigned char*, const T );
+
+	template<typename T>
+	T read( const unsigned char* );
+
+	template<typename T>
+	struct byte_lenght_struct { };
+
+	template<typename T>
+	struct byte_lenght_struct<const T> {
+		static const int value = byte_lenght_struct<T>::value;
+	};
+	
+
+	/**
+	 * Returns how many bytes type T occupies on disk. It's only defined
+	 * for supported types.
+	 */
+	template<typename T>
+	unsigned byte_lenght() {
+		return byte_lenght_struct<T>::value;
+	}
+}
+
+#include "bitio.tcc"
+
+#endif /* LPC_BITIO_H1103129408_INCLUDE_GUARD_ */