1: deal with inet_ntoa and family?
+{subsection: Phase 2}
+
step 3: monday, may 10
+(should be step 1 of Phase 2)
1: introduce ipaddr class (which encapsulates both v4 and v6 addresses) and
change function signatures where needed. update call sites.
step 4: wednesday, may 12
+(step 2 of Phase 2)
1: introduce condor_hostent (might actually be equivalent to addrinfo), change function signatures, update call sites. hostent was static, so also add calls to free() for the new condor_hostent structure.