// i = C index
sbool codeTokenSubListEqualsIC(LS l, LS pat, int i) {
  if (i < 0) false;
  int j = i+l(pat)-1;
  if (j > l(l)) false;
  for (int k = i; k < j; k += 2)
    if (neqic(l.get(k), pat.get(k-i+1)))
      false;
  true;
}