1  foo (a)
       2       double a;
       3  {
       4    printf ("%d\n", (int) a);
       5  }
       6  
       7  main ()
       8  {
       9    foo (1.6);
      10    foo (1.4);
      11    foo (-1.4);
      12    foo (-1.6);
      13  }