1  float d;
       2  int e, f;
       3  
       4  void foo (void)
       5  {
       6    struct { float u, v; } a = {0.0, 0.0};
       7    float b;
       8    int c;
       9  
      10    c = e;
      11    if (c == 0)
      12      c = f;
      13    b = d;
      14    if (a.v < b)
      15      a.v = b;
      16  }