Issue #13097 has been updated by Nobuyoshi Nakada.


```
$ ruby -rsocket -e 'host = "ci.ruby-lang.org"; ai = Addrinfo.ip(host); p Socket.gethostbyname(host), Socket.getaddrinfo(host, nil), ai, ai.canonname'
["ci.ruby-lang.org", [], 2, "4\xC0P\xDB"]
[["AF_INET", 0, "52.192.80.219", "52.192.80.219", 2, 2, 17], ["AF_INET", 0, "52.192.80.219", "52.192.80.219", 2, 1, 6]]
#<Addrinfo: 52.192.80.219 (ci.ruby-lang.org)>
nil
```

`Socket.gethostbyname` returns the hostname, but `getaddrinfo` not.
And `Addrinfo#inspect` shows the name but it provides `canonname` only.
Perhaps we need some `Addrinfo#inspectname` or something, before deprecating `Socket.gethostbyname`?

----------------------------------------
Feature #13097: Deprecate Socket.gethostbyaddr and Socket.gethostbyname
https://bugs.ruby-lang.org/issues/13097#change-62868

* Author: Vit Ondruch
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
----------------------------------------
Is there a reason to keep these methods around? They were marked obsolete by POSIX.1-2001 and the POSIX.1-2008 removes the specifications of gethostbyname, gethostbyaddr recommending the use of getaddrinfo and getnameinfo instead. If they are kept because of Ruby backward compatibility, shouldn't they be re-implemented by these modern interfaces?



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