1  enum { false, true } a;
       2  int b, c, d, e, f;
       3  int fn3();
       4  void fn2();
       5  
       6  void fn1() {
       7    _Bool g, h = false, i = false;
       8    int j;
       9    c = b && f || d;
      10    if (c) {
      11      if (d)
      12        i = true;
      13      _Bool k = b;
      14      int l = e, m = a;
      15      g = k && l < m || l > m;
      16    }
      17    if (g)
      18      h = true;
      19    if (i)
      20      fn2();
      21    h &&j &&fn3();
      22  }