declare h_errno only on those platforms that actually need it; it conflicts with the declaration in netdb.h on AIX
declare h_errno only on those platforms that actually need it;
it conflicts with the declaration in netdb.h on AIX

each/bind9-collab,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9