Add CompressSave, with Chinese instructions in READMEs

CompressSave/LZ4WrapC/LZ4Wrap.h

@@ -0,0 +1,39 @@
+#pragma once
+#define LZ4F_STATIC_LINKING_ONLY
+#if defined(__cplusplus)
+#define API_EXTERN_C extern "C"
+#else
+#define API_EXTERN_C
+#endif
+#ifdef LZ4WRAP_EXPORTS
+#define LZ4API API_EXTERN_C __declspec(dllexport)
+#else
+#define LZ4API API_EXTERN_C __declspec(dllimport)
+#endif
+
+#include <lz4frame.h>
+#include <lz4hc.h>
+
+typedef struct
+{
+    LZ4F_cctx* cctx;
+    LZ4F_CDict* dict;
+} CContext;
+
+LZ4API void FreeCompressContext(CContext* ctx);
+
+LZ4API size_t CalCompressOutBufferSize(size_t inBufferSize);
+
+LZ4API size_t CompressBegin(CContext** ctx, void* outBuff, size_t outCapacity, void* dictBuffer, size_t dictSize);
+
+LZ4API size_t CompressUpdate(CContext* ctx, void* dstBuffer, size_t dstCapacity, const void* srcBuffer, size_t srcSize);
+
+LZ4API size_t CompressEnd(CContext* ctx, void* dstBuffer, size_t dstCapacity);
+
+LZ4API size_t DecompressBegin(LZ4F_dctx** pdctx, void* inBuffer, size_t* inBufferSize, size_t* blockSize);
+
+LZ4API void ResetDecompresssCTX(LZ4F_dctx* dctx);
+
+LZ4API size_t DecompressUpdate(LZ4F_dctx* dctx, void* outBuffer, size_t* outBufferSize, void* inBuffer, size_t* inBufferSize, void* dict, size_t dictSize);
+
+LZ4API size_t DecompressEnd(LZ4F_dctx* dctx);