1  typedef struct {
       2    long int p_x, p_y;
       3  } Point;
       4  
       5  void
       6  bar ()
       7  {
       8  }
       9  
      10  void
      11  f (p0, p1, p2, p3, p4, p5)
      12       Point p0, p1, p2, p3, p4, p5;
      13  {
      14    if (p0.p_x != 0 || p0.p_y != 1
      15        || p1.p_x != -1 || p1.p_y != 0
      16        || p2.p_x != 1 || p2.p_y != -1
      17        || p3.p_x != -1 || p3.p_y != 1
      18        || p4.p_x != 0 || p4.p_y != -1
      19        || p5.p_x != 1 || p5.p_y != 0)
      20      abort ();
      21  }
      22  
      23  void
      24  foo ()
      25  {
      26    Point p0, p1, p2, p3, p4, p5;
      27  
      28    bar();
      29    
      30    p0.p_x = 0;
      31    p0.p_y = 1;
      32  
      33    p1.p_x = -1;
      34    p1.p_y = 0;
      35  
      36    p2.p_x = 1;
      37    p2.p_y = -1;
      38  
      39    p3.p_x = -1;
      40    p3.p_y = 1;
      41  
      42    p4.p_x = 0;
      43    p4.p_y = -1;
      44  
      45    p5.p_x = 1;
      46    p5.p_y = 0;
      47  
      48    f (p0, p1, p2, p3, p4, p5);
      49  }
      50  
      51  int
      52  main()
      53  {
      54    foo();
      55    exit(0);
      56  }