Charles-François Natali added the comment:

> For Windows >= Vista, inet_pton() is available.
> I'm not sure whether XP has one of them: if not, then we might keep
> the hand-parsing as a fallback.

Apparently, XP doesn't have inet_aton()...

So I changed the code to use inet_pton() if available, otherwise use 
inet_addr(), which is available everywhere (the only gotcha is that it doesn't 
handle "255.255.255.255", so we special-case it like "<broadcast>").

We thus get rid of the hand-parsing completely, and get a more efficient  
handling of numeric IPv4 addresses, and a much more efficient handling for 
numeric IPv6 addresses (see above benchmarks).

----------
keywords: +needs review
stage:  -> patch review
Added file: http://bugs.python.org/file31507/parse_inet.diff

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