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diff --git a/source/blender/blenlib/intern/dynamiclist.h b/source/blender/blenlib/intern/dynamiclist.h
new file mode 100644
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+++ b/source/blender/blenlib/intern/dynamiclist.h
@@ -0,0 +1,55 @@
+/**
+ * $Id: BLI_dynamiclist.h 13161 2008-01-07 19:13:47Z hos $
+ *
+ * ***** 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., 59 Temple Place - Suite 330, Boston, MA	02111-1307, USA.
+ *
+ * Contributor(s): Jiri Hnidek.
+ *
+ * Documentation of Two way dynamic list with access array can be found at:
+ *
+ * http://wiki.blender.org/bin/view.pl/Blenderwiki/DynamicListWithAccessArray
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef B_DYNAMIC_LIST_H
+#define B_DYNAMIC_LIST_H
+
+#define PAGE_SIZE 4
+
+struct ListBase;
+
+/*
+ * Access array using realloc 
+ */
+typedef struct DynamicArray{
+	unsigned int count;		/* count of items in list */
+	unsigned int max_item_index;	/* max available index */
+	unsigned int last_item_index;	/* max used index */
+	void **items;			/* dynamicaly allocated array of pointers
+					   pointing at items in list */
+} DynamicArray;
+
+/*
+ * Two way dynamic list with access array
+ */
+typedef struct DynamicList {
+	struct DynamicArray da;		/* access array */
+	struct ListBase lb;		/* two way linked dynamic list */
+} DynamicList;
+
+#endif