struct fail1 {
	  struct fail1 *nextfail1;
	  char a1 [0x02];
	  char b1 [0x01]; /* hex consts in structure defs are no good for
			  * precompiling sometimes:-(( */
	  };

  struct fail2 {
	  struct fail2 *nextfail2;
	  char a1 [0x02];
	  char b1 [0x02]; /* hex consts in structure defs are no good for
			  * precompiling sometimes:-(( */
	  };