From: Qq Zz <zq1956@...>
Date: 2009-05-14T19:49:04+09:00
Subject: Re: the question about getaddinfo

Bill Kelly wrote:
> From: "Qq Zz" <zq1956@sina.com.cn>
>>
>> I use getaddinfo to get A machine's hostname,
>> in B machine,the result is correct.
>> but in A machine,the result is just A machine's name
>> I use nslookup,the result is also correct.
>> who can tell me why in A machine，the result is wrong?
> 
> I ran into something similar awhile back:
> http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/13805
> 
> This is what I now use:
> 
>   ip = "208.77.188.166"
>   result = Socket.getnameinfo( Socket.pack_sockaddr_in(0, ip) )
>   hostname = result ? result.first : ip
> 
> 
> Hope this helps,
> 
> Bill

the response is: address family for hostname not supported

oh my god!!!
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