-#include "unistd.h"
-#include "stdint.h"
+//-----------------------------------------------------------------------------
+// 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.
+//-----------------------------------------------------------------------------
+// LEFIC's obfuscation function
+//-----------------------------------------------------------------------------
+
+#ifndef __LEGIC_PRNG_H
+#define __LEGIC_PRNG_H
+
+#include <stdint.h>
extern void legic_prng_init(uint8_t init);
extern void legic_prng_forward(int count);
extern uint8_t legic_prng_get_bit();
+
+#endif
+