* Tolerate lack of ac_exitcode.
* Tolerate lack of ac_minflt and ac_majflt (and use %lu as is right).
* Tolerate variation in ac_flag field name, and, to an extent, value.
* Tolerate lack of ac_exitcode.
* Tolerate lack of ac_minflt and ac_majflt (and use %lu as is right).
* Tolerate variation in ac_flag field name, and, to an extent, value.