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diff --git a/vmime-master/src/vmime/utility/streamUtils.hpp b/vmime-master/src/vmime/utility/streamUtils.hpp
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+++ b/vmime-master/src/vmime/utility/streamUtils.hpp
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+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 3 of
+// the License, or (at your option) any later version.
+//
+// This program 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.
+//
+// Linking this library statically or dynamically with other modules is making
+// a combined work based on this library.  Thus, the terms and conditions of
+// the GNU General Public License cover the whole combination.
+//
+
+#ifndef VMIME_UTILITY_STREAMUTILS_HPP_INCLUDED
+#define VMIME_UTILITY_STREAMUTILS_HPP_INCLUDED
+
+
+#include "vmime/utility/inputStream.hpp"
+#include "vmime/utility/outputStream.hpp"
+
+#include "vmime/utility/progressListener.hpp"
+
+
+namespace vmime {
+namespace utility {
+
+
+/** Copy data from one stream into another stream using a buffered method.
+  *
+  * @param is input stream (source data)
+  * @param os output stream (destination for data)
+  * @return number of bytes copied
+  */
+VMIME_EXPORT size_t bufferedStreamCopy(inputStream& is, outputStream& os);
+
+/** Copy data from one stream into another stream using a buffered method
+  * and copying only a specified range of data.
+  *
+  * @param is input stream (source data)
+  * @param os output stream (destination for data)
+  * @param start number of bytes to ignore before starting copying
+  * @param length maximum number of bytes to copy
+  * @return number of bytes copied
+  */
+VMIME_EXPORT size_t bufferedStreamCopyRange(
+	inputStream& is,
+	outputStream& os,
+	const size_t start,
+	const size_t length
+);
+
+/** Copy data from one stream into another stream using a buffered method
+  * and notify progress state of the operation.
+  *
+  * @param is input stream (source data)
+  * @param os output stream (destination for data)
+  * @param length predicted number of bytes to copy
+  * @param progress listener to notify
+  * @return number of bytes copied
+  */
+VMIME_EXPORT size_t bufferedStreamCopy(
+	inputStream& is,
+	outputStream& os,
+	const size_t length,
+	progressListener* progress
+);
+
+
+} // utility
+} // vmime
+
+
+#endif // VMIME_UTILITY_STREAMUTILS_HPP_INCLUDED