1  
       2  
       3  int
       4  bar (unsigned char key)
       5  {
       6    unsigned char buf[sizeof (unsigned long)+2];
       7    unsigned char b;
       8    unsigned char *buf_ = buf + 1;
       9  
      10    for (b = 8; b != 0; b--)
      11      buf_[b] = key >> b;
      12  
      13    return foo (b);
      14  }