1  typedef struct { int re; int im; } T;
       2  
       3  T f (int, int);
       4  
       5  #if COMPILER != 1
       6  T
       7  f (int arg1, int arg2)
       8  {
       9    T x;
      10    x.re = arg1;
      11    x.im = arg2;
      12    return x;
      13  }
      14  #endif
      15  
      16  #if COMPILER != 2
      17  main ()
      18  {
      19    T result;
      20    result = f (3, 4);
      21    if (result.re != 3 || result.im != 4)
      22      abort ();
      23    exit (0);
      24  }
      25  #endif