1 files changed, 33 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/general/gr_head.i b/gnuradio-core/src/lib/general/gr_head.i
new file mode 100644
index 000000000..11f3331d4
--- /dev/null
+++ b/gnuradio-core/src/lib/general/gr_head.i
@@ -0,0 +1,33 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2009,2012 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.
+ */
+
+GR_SWIG_BLOCK_MAGIC(gr,head);
+
+gr_head_sptr gr_make_head(size_t sizeof_stream_item, unsigned long long nitems);
+
+class gr_head : public gr_block {
+  gr_head();
+public:
+  void reset();
+  void set_length(int nitems);
+};
+