Refactor dns_rdataset internals, move rdataseteader declarations out of rbtdb so they can be used by other databases in the future (i.e., qpdb), and split the zone and cache functions from rbtdb.c into separate modules.
Refactor dns_rdataset internals, move rdataseteader declarations out of rbtdb so they can be used by other databases in the future (i.e., qpdb), and split the zone and cache functions from rbtdb.c into separate modules.