jinmei 9bcc40000e ensure the head entry of addrinfo chain has non-NULL ai_canonname to be
compliant with RFC3493.

PR: standards/114910
Approved by:   ume (mentor)
Approved by:   re
MFC after:     1 week
2007-09-05 18:08:14 +00:00
..
2006-09-17 21:27:35 +00:00