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+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2009,2013 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_GR_COPY_H
+#define INCLUDED_GR_COPY_H
+
+#include <blocks/api.h>
+#include <gr_block.h>
+
+namespace gr {
+ namespace blocks {
+
+ /*!
+ * \brief output[i] = input[i]
+ * \ingroup misc_blk
+ *
+ * When enabled (default), this block copies its input to its
+ * output. When disabled, this block drops its input on the floor.
+ */
+ class BLOCKS_API copy : virtual public gr_block
+ {
+ public:
+ // gr::blocks::copy::sptr
+ typedef boost::shared_ptr<copy> sptr;
+
+ static sptr make(size_t itemsize);
+
+ virtual void set_enabled(bool enable) = 0;
+ virtual bool enabled() const = 0;
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_COPY_H */