bool (*read_uint32)(bio_reader_t *this, u_int32_t *res);
/**
+ * Read a 64-bit integer from the buffer, advance.
+ *
+ * @param res pointer to result
+ * @return TRUE if integer read successfully
+ */
+ bool (*read_uint64)(bio_reader_t *this, u_int64_t *res);
+
+ /**
* Read a chunk of len bytes, advance.
*
* @param len number of bytes to read