1  typedef struct { int *a; } S;
       2  int *f (void);
       3  static void g (S *x)
       4  {
       5    int *p = x->a;
       6    p[0] = 0;
       7  }
       8  void h (void)
       9  {
      10    S x[1];
      11    x->a = f ();
      12    g (x);
      13  }