ZSTD_decompressStream
ZSTDLIB_API size_t ZSTD_decompressStream(ZSTD_DStream* zds, ZSTD_outBuffer* output, ZSTD_inBuffer* input);
{ size_t const cErr = ZSTD_decompressStream(dctx, &output, &input);
return ZSTD_decompressStream(dstream, output, input);
ret = ZSTD_decompressStream(data->dstream, &output, &input);