1  
       2  cc1 (x, y)
       3       int x, y;
       4  {
       5    int z;
       6    z = x - y;
       7    if (x >= y)
       8      return z + 1;
       9    else
      10      return z + 0;
      11  }
      12  
      13  cc2 (x, y)
      14       int x, y;
      15  {
      16    int z;
      17  
      18    z = x - y;
      19    if (z >= 0)
      20      return z + 1;
      21    else
      22      return z + 0;
      23  }
      24  
      25  cc3 (x, y)
      26       unsigned x, y;
      27  {
      28    unsigned z;
      29    z = x - y;
      30    if (x >= y)
      31      return z + 1;
      32    else
      33      return z + 0;
      34  }
      35  
      36  cc4 (x, y)
      37       unsigned x, y;
      38  {
      39    unsigned z;
      40  
      41    z = x - y;
      42    if (z >= 0)
      43      return z + 1;
      44    else
      45      return z + 0;
      46  }