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diff --git a/gr-digital/include/digital/packet_headerparser_b.h b/gr-digital/include/digital/packet_headerparser_b.h
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+++ b/gr-digital/include/digital/packet_headerparser_b.h
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+/* -*- c++ -*- */
+/* Copyright 2012 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_DIGITAL_PACKET_HEADERPARSER_B_H
+#define INCLUDED_DIGITAL_PACKET_HEADERPARSER_B_H
+
+#include <digital/api.h>
+#include <gr_sync_block.h>
+#include <digital/packet_header_default.h>
+
+namespace gr {
+  namespace digital {
+
+    /*!
+     * \brief Post header metadata as a PMT
+     * \ingroup digital
+     *
+     * In a sense, this is the inverse block to packet_headergenerator_bb.
+     * The difference is, the parsed header is not output as a stream,
+     * but as a message.
+     *
+     * If only a header length is given, this block uses the default header
+     * format.
+     */
+    class DIGITAL_API packet_headerparser_b : virtual public gr_sync_block
+    {
+     public:
+      typedef boost::shared_ptr<packet_headerparser_b> sptr;
+
+      /*!
+       * \param header_formatter Header object. This should be the same as used for
+       *                         packet_headergenerator_bb.
+       */
+      static sptr make(const gr::digital::packet_header_default::sptr &header_formatter);
+
+      /*!
+       * \param header_len Number of bytes per header
+       * \param len_tag_key Length Tag Key
+       */
+      static sptr make(long header_len, const std::string &len_tag_key);
+    };
+
+  } // namespace digital
+} // namespace gr
+
+#endif /* INCLUDED_DIGITAL_PACKET_HEADERPARSER_B_H */
+