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diff --git a/source/blender/freestyle/intern/system/StringUtils.h b/source/blender/freestyle/intern/system/StringUtils.h
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+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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 2
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2010 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __FREESTYLE_STRING_UTILS_H__
+#define __FREESTYLE_STRING_UTILS_H__
+
+/** \file blender/freestyle/intern/system/StringUtils.h
+ *  \ingroup freestyle
+ *  \brief String utilities
+ *  \author Emmanuel Turquin
+ *  \date 20/05/2003
+ */
+
+#include <cstring>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+#include "FreestyleConfig.h"
+
+//soc
+extern "C" {
+
+#include "BKE_utildefines.h"
+
+#include "BLI_blenlib.h"
+
+}
+
+using namespace std;
+
+namespace StringUtils {
+
+LIB_SYSTEM_EXPORT
+void getPathName(const string& path, const string& base, vector<string>& pathnames);
+string toAscii(const string &str);
+const char *toAscii(const char *str);
+
+// STL related
+struct ltstr
+{
+	bool operator()(const char *s1, const char *s2) const
+	{
+		return strcmp(s1, s2) < 0;
+	}
+};
+
+} // end of namespace StringUtils
+
+#endif // __FREESTYLE_STRING_UTILS_H__