static <A> A unstructureFromFile(File f) ctex {
  temp InputStream fis = new FileInputStream(f);
  InputStreamReader reader = new InputStreamReader(fis, "UTF-8");
  BufferedReader bufferedReader = new BufferedReader(reader);
  ret (A) unstructure_tok(javaTokC_noMLS_onReader(bufferedReader), false, null);
}