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diff --git a/libical/src/libical/icalarray.h b/libical/src/libical/icalarray.h
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/*======================================================================
+ FILE: icalarray.h
+ CREATOR: Damon Chaplin 07 March 2001
+
+
+ $Id$
+ $Locker$
+
+ (C) COPYRIGHT 2001, Ximian, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of either: 
+
+    The LGPL as published by the Free Software Foundation, version
+    2.1, available at: http://www.fsf.org/copyleft/lesser.html
+
+  Or:
+
+    The Mozilla Public License Version 1.0. You may obtain a copy of
+    the License at http://www.mozilla.org/MPL/
+
+
+======================================================================*/
+
+
+#ifndef ICALARRAY_H
+#define ICALARRAY_H
+
+/** @file icalarray.h 
+ *
+ *  @brief An array of arbitrarily-sized elements which grows
+ *  dynamically as elements are added. 
+ */
+
+typedef struct _icalarray icalarray;
+struct _icalarray {
+            unsigned int element_size;
+            unsigned int increment_size;
+            unsigned int num_elements;
+            unsigned int space_allocated;
+            void        *data;
+};
+
+
+
+        icalarray *icalarray_new                (int     element_size,
+                                                 int     increment_size);
+        void       icalarray_free               (icalarray*array);
+
+        void       icalarray_append             (icalarray*array,
+                                                 void   *element);
+        void       icalarray_remove_element_at  (icalarray*array,
+                                                 int     position);
+
+        void      *icalarray_element_at                 (icalarray*array,
+                                                 int     position);
+
+        void       icalarray_sort               (icalarray*array,
+                                                 int       (*compare) (const void *, const void *));
+
+
+#endif /* ICALARRAY_H */