diff -r 2e484bdea8c4 -r b86a448a2965 contrib/python-zstandard/c-ext/python-zstandard.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contrib/python-zstandard/c-ext/python-zstandard.h	Thu Nov 10 22:15:58 2016 -0800
@@ -0,0 +1,172 @@
+/**
+* Copyright (c) 2016-present, Gregory Szorc
+* All rights reserved.
+*
+* This software may be modified and distributed under the terms
+* of the BSD license. See the LICENSE file for details.
+*/
+
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+
+#define ZSTD_STATIC_LINKING_ONLY
+#define ZDICT_STATIC_LINKING_ONLY
+#include "mem.h"
+#include "zstd.h"
+#include "zdict.h"
+
+#define PYTHON_ZSTANDARD_VERSION "0.5.0"
+
+typedef struct {
+	PyObject_HEAD
+	unsigned windowLog;
+	unsigned chainLog;
+	unsigned hashLog;
+	unsigned searchLog;
+	unsigned searchLength;
+	unsigned targetLength;
+	ZSTD_strategy strategy;
+} CompressionParametersObject;
+
+extern PyTypeObject CompressionParametersType;
+
+typedef struct {
+	PyObject_HEAD
+	unsigned selectivityLevel;
+	int compressionLevel;
+	unsigned notificationLevel;
+	unsigned dictID;
+} DictParametersObject;
+
+extern PyTypeObject DictParametersType;
+
+typedef struct {
+	PyObject_HEAD
+
+	void* dictData;
+	size_t dictSize;
+} ZstdCompressionDict;
+
+extern PyTypeObject ZstdCompressionDictType;
+
+typedef struct {
+	PyObject_HEAD
+
+	int compressionLevel;
+	ZstdCompressionDict* dict;
+	ZSTD_CDict* cdict;
+	CompressionParametersObject* cparams;
+	ZSTD_frameParameters fparams;
+} ZstdCompressor;
+
+extern PyTypeObject ZstdCompressorType;
+
+typedef struct {
+	PyObject_HEAD
+
+	ZstdCompressor* compressor;
+	ZSTD_CStream* cstream;
+	ZSTD_outBuffer output;
+	int flushed;
+} ZstdCompressionObj;
+
+extern PyTypeObject ZstdCompressionObjType;
+
+typedef struct {
+	PyObject_HEAD
+
+	ZstdCompressor* compressor;
+	PyObject* writer;
+	Py_ssize_t sourceSize;
+	size_t outSize;
+	ZSTD_CStream* cstream;
+	int entered;
+} ZstdCompressionWriter;
+
+extern PyTypeObject ZstdCompressionWriterType;
+
+typedef struct {
+	PyObject_HEAD
+
+	ZstdCompressor* compressor;
+	PyObject* reader;
+	Py_buffer* buffer;
+	Py_ssize_t bufferOffset;
+	Py_ssize_t sourceSize;
+	size_t inSize;
+	size_t outSize;
+
+	ZSTD_CStream* cstream;
+	ZSTD_inBuffer input;
+	ZSTD_outBuffer output;
+	int finishedOutput;
+	int finishedInput;
+	PyObject* readResult;
+} ZstdCompressorIterator;
+
+extern PyTypeObject ZstdCompressorIteratorType;
+
+typedef struct {
+	PyObject_HEAD
+
+	ZSTD_DCtx* refdctx;
+
+	ZstdCompressionDict* dict;
+	ZSTD_DDict* ddict;
+} ZstdDecompressor;
+
+extern PyTypeObject ZstdDecompressorType;
+
+typedef struct {
+	PyObject_HEAD
+
+	ZstdDecompressor* decompressor;
+	ZSTD_DStream* dstream;
+	int finished;
+} ZstdDecompressionObj;
+
+extern PyTypeObject ZstdDecompressionObjType;
+
+typedef struct {
+	PyObject_HEAD
+
+	ZstdDecompressor* decompressor;
+	PyObject* writer;
+	size_t outSize;
+	ZSTD_DStream* dstream;
+	int entered;
+} ZstdDecompressionWriter;
+
+extern PyTypeObject ZstdDecompressionWriterType;
+
+typedef struct {
+	PyObject_HEAD
+
+	ZstdDecompressor* decompressor;
+	PyObject* reader;
+	Py_buffer* buffer;
+	Py_ssize_t bufferOffset;
+	size_t inSize;
+	size_t outSize;
+	size_t skipBytes;
+	ZSTD_DStream* dstream;
+	ZSTD_inBuffer input;
+	ZSTD_outBuffer output;
+	Py_ssize_t readCount;
+	int finishedInput;
+	int finishedOutput;
+} ZstdDecompressorIterator;
+
+extern PyTypeObject ZstdDecompressorIteratorType;
+
+typedef struct {
+	int errored;
+	PyObject* chunk;
+} DecompressorIteratorResult;
+
+void ztopy_compression_parameters(CompressionParametersObject* params, ZSTD_compressionParameters* zparams);
+CompressionParametersObject* get_compression_parameters(PyObject* self, PyObject* args);
+PyObject* estimate_compression_context_size(PyObject* self, PyObject* args);
+ZSTD_CStream* CStream_from_ZstdCompressor(ZstdCompressor* compressor, Py_ssize_t sourceSize);
+ZSTD_DStream* DStream_from_ZstdDecompressor(ZstdDecompressor* decompressor);
+ZstdCompressionDict* train_dictionary(PyObject* self, PyObject* args, PyObject* kwargs);