[rbldnsd] reference that explains what the startup messages mean?

[David Sparks]

Is there a reference somewhere that explains what the startup messages
mean?  e/w ... errors/warnings?

rbldnsd: dnset:surbl.txt: 20070201 190233: e/w=662462/0

rbldnsd: ip4tset:cbl.txt: 20070201 185122: cnt=5184532

rbldnsd: generic:cbl-extras.txt: 20061118 004642: e=9

rbldnsd: ip4set:abc.txt: 20070201 183106: e32/24/16/8=7100/136/5/34

Thanks!