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diff --git a/src/core/compression/message_compress.h b/src/core/compression/message_compress.h
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+/*
+ *
+ * Copyright 2014, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef __GRPC_INTERNAL_COMPRESSION_MESSAGE_COMPRESS_H__
+#define __GRPC_INTERNAL_COMPRESSION_MESSAGE_COMPRESS_H__
+
+#include "src/core/compression/algorithm.h"
+#include <grpc/support/slice_buffer.h>
+
+/* compress 'input' to 'output' using 'algorithm'.
+   On success, appends compressed slices to output and returns 1.
+   On failure, appends uncompressed slices to output and returns 0. */
+int grpc_msg_compress(grpc_compression_algorithm algorithm,
+                      gpr_slice_buffer *input, gpr_slice_buffer *output);
+
+/* decompress 'input' to 'output' using 'algorithm'.
+   On success, appends slices to output and returns 1.
+   On failure, output is unchanged, and returns 0. */
+int grpc_msg_decompress(grpc_compression_algorithm algorithm,
+                        gpr_slice_buffer *input, gpr_slice_buffer *output);
+
+#endif  /* __GRPC_INTERNAL_COMPRESSION_MESSAGE_COMPRESS_H__ */