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+/* Copyright 2013 Google Inc. All Rights Reserved.
+
+ Distributed under MIT license.
+ See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+// Function to find backward reference copies.
+
+#ifndef BROTLI_ENC_BACKWARD_REFERENCES_H_
+#define BROTLI_ENC_BACKWARD_REFERENCES_H_
+
+#include "./hash.h"
+#include "./command.h"
+#include "./types.h"
+
+namespace brotli {
+
+// "commands" points to the next output command to write to, "*num_commands" is
+// initially the total amount of commands output by previous
+// CreateBackwardReferences calls, and must be incremented by the amount written
+// by this call.
+void CreateBackwardReferences(size_t num_bytes,
+ size_t position,
+ bool is_last,
+ const uint8_t* ringbuffer,
+ size_t ringbuffer_mask,
+ const int quality,
+ const int lgwin,
+ Hashers* hashers,
+ int hash_type,
+ int* dist_cache,
+ size_t* last_insert_len,
+ Command* commands,
+ size_t* num_commands,
+ size_t* num_literals);
+
+} // namespace brotli
+
+#endif // BROTLI_ENC_BACKWARD_REFERENCES_H_