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diff --git a/atk-adaptor/bitarray.h b/atk-adaptor/bitarray.h
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+/*
+ * AT-SPI - Assistive Technology Service Provider Interface
+ * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
+ *
+ * Copyright 2008 Novell, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _BITARRAY_H
+#define _BITARRAY_H
+
+#include "dbus/dbus.h"
+#include "glib.h"
+
+#define BITARRAY_SEQ_TERM 0xffffffff
+
+#define BITARRAY_SET(p, n) ((p)[n/32] |= (1<<(n)))
+
+gint bitarray_to_seq(dbus_uint32_t *array, gint array_size, gint **out);
+dbus_uint32_t bitarray_from_seq(gint *seq, dbus_uint32_t **out);
+#endif /* _BITARRAY_H */