common/dns.c

[Ted Lemon]

> Someone correct me if I'm wrong, but throughout common/dns.c usage of
> YXRRSET, YXDOMAIN, NXRRSET, and NXDOMAIN should infact be 
> ISC_R_YXRRSET,
> etc.. ?

No, that's not correct.   ISC_R_* are result codes used by ISC 
programs.   YXRRSET is a constant defined in the standard.   There may 
be mistakes in the sources, but I just looked, and I don't see any - in 
the case of YXRRSET, it's being used correctly.