text: extern void exit (int);
  unsigned test(unsigned one , unsigned  bit)
  {
      unsigned val=  bit & 1;
      unsigned zero= one >> 1;
  
      val++;
      return zero + ( val>> 1 );
  }
  
  int main()
  {
    if (test (1,0) != 0)
      abort ();
    if (test (1,1) != 1)
      abort ();
    if (test (1,65535) != 1)
      abort ();
    exit (0);
  
    return 0;
  }
  