void testProccessArgs(int* ac, char*** av)
{
  char** argv = *av;
  if (*ac < 2) {
    return;
  }
  if (strcmp(argv[1], "--with-threads") == 0) {
    printf("number of threads is %s\n", argv[2]);
    *av += 2;
    *ac -= 2;
  } else if (strcmp(argv[1], "--without-threads") == 0) {
    printf("no threads\n");
    *av += 1;
    *ac -= 1;
  }
}