- code clenaups (removed redundant macros/blank lines, comment clarifications   etc.) - use EAI_xxx error code according to draft-ietf-ipngwg-rfc2553bis-03.   (we may still have to reconsider EAI_NODATA - this is an API issue)
- code clenaups (removed redundant macros/blank lines, comment clarifications
  etc.)
- use EAI_xxx error code according to draft-ietf-ipngwg-rfc2553bis-03.
  (we may still have to reconsider EAI_NODATA - this is an API issue)

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