range of possible values. Address portability issues.
[RT #31938]
Squashed commit of the following:
commit cdc417909d514903363796085ab3114ef24b7e30
Author: Mark Andrews <marka@isc.org>
Date: Thu Nov 22 10:06:01 2012 +1100
address hpux sscanf issues, iterations is a 16 bit field, use %hu rather than %hhd as the values are unsigned