+//-----------------------------------------------------------------------------
+// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// utilities
+//-----------------------------------------------------------------------------
+
+#include <stdio.h>
+#include <stdint.h>
+
void print_hex(const uint8_t * data, const size_t len);
+char * sprint_hex(const uint8_t * data, const size_t len);