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kbarber/gist:eb870d1363d7d2d666ed

Created June 23, 2014 23:33
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gistfile1.txt
inet6 sets RES_USE_INET6 in _res.options. This has the
effect of trying a AAAA query before an A query inside
the gethostbyname(3) function, and of mapping IPv4
responses in IPv6 "tunneled form" if no AAAA records
are found but an A record set exists.
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