zstd_init_cstream
ctx->cctx = zstd_init_cstream(&ctx->params, 0, ctx->wksp, ctx->wksp_size);
stream = zstd_init_cstream(&workspace->params, len, workspace->mem, workspace->size);
stream = zstd_init_cstream(¶ms, 0, workspace, workspace_size);
zstd_cstream *zstd_init_cstream(const zstd_parameters *parameters,
EXPORT_SYMBOL(zstd_init_cstream);