untested (and no possible retrieval) of CRC used to represent data in

AVL trees

src/crc64.h

@@ -0,0 +1,9 @@
+/**
+ * @file crc64.h
+ * @date March 24th 2016
+ * @brief Header file for CRC64 function.
+ */
+
+#include <stdint.h>
+
+uint64_t crc64(const unsigned char* s, uint64_t l);