1  class fixed_wide_int_storage {
       2  public:
       3    long val[10];
       4    int len;
       5    fixed_wide_int_storage ()
       6      {
       7        len = sizeof (val) / sizeof (val[0]);
       8        for (int i = 0; i < len; i++)
       9  	val[i] = i;
      10      }
      11  };
      12  
      13  extern void foo (fixed_wide_int_storage);
      14  extern int record_increment(void);