public unsafe static extern size_t LZ4F_compressEnd(void *ctx, void *dstBuffer, size_t dstMaxSize, Lz4CompressOptions *compressOptions = null);
public unsafe static extern size_t LZ4F_compressUpdate(void *ctx, void *dstBuffer, size_t dstMaxSize, void *srcBuffer, size_t srcSize, Lz4CompressOptions *options = null);