Add inet_ntop and inet_pton support for Windows

[jaraco]

BPO	7171
Nosy	@atsuoishimoto, @jaraco, @giampaolo, @tiran
Files	issue7171.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2013-12-22.20:50:58.544>
created_at = <Date 2009-10-19.23:20:24.681>
labels = ['extension-modules', 'easy', 'type-feature']
title = 'Add inet_ntop and inet_pton support for Windows'
updated_at = <Date 2014-03-08.02:38:24.804>
user = 'https://github.com/jaraco'

bugs.python.org fields:

activity = <Date 2014-03-08.02:38:24.804>
actor = 'python-dev'
assignee = 'none'
closed = True
closed_date = <Date 2013-12-22.20:50:58.544>
closer = 'pitrou'
components = ['Extension Modules']
creation = <Date 2009-10-19.23:20:24.681>
creator = 'jaraco'
dependencies = []
files = ['26392']
hgrepos = []
issue_num = 7171
keywords = ['patch', 'easy']
message_count = 8.0
messages = ['94261', '110982', '165572', '171560', '171561', '202550', '202555', '212920']
nosy_count = 10.0
nosy_names = ['ishimoto', 'jaraco', 'ghazel', 'giampaolo.rodola', 'christian.heimes', 'Steven.Hayter', 'kookwekker', 'honglei.jiang', 'python-dev', 'pystranger']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue7171'
versions = ['Python 3.4']

[jaraco]

According to the documentation, Microsoft now supports inet_ntop and
inet_pton
(http://msdn.microsoft.com/en-us/library/cc805843%28VS.85%29.aspx). This
capability should be integrated into the socket module so it is
supported cross-platform.

[ghazel]

In addition, inet_ntop and inet_pton can be implemented on Windows platforms prior to Vista using WSAAddressToStringA and WSAStringToAddressA.

[atsuoishimoto]

Implementation of inet_pton and inet_ntop by WSAAddressToStringA and
WSAStringToAddressA for Windows.

Conversion of IPv6 address might fail if IPv6 is
not installed.

Tested on Windows XP SP3 and Windows7.

[pystranger]

I can't do that but I think the stage of the bug should be changed to "patch review" instead of "needs patch".

[tiran]

As it's a new feature it must go into 3.4.

[python-dev]

New changeset 17b160baa20f by Atsuo Ishimoto in branch 'default':
Issue bpo-7171: Add Windows implementation of inet_ntop and inet_pton to socket module.
http://hg.python.org/cpython/rev/17b160baa20f

New changeset a21f506d04c9 by Jason R. Coombs in branch 'default':
Issue bpo-7171: Update syntax to replace MAX in favor of Py_MAX (matching implementation for Unix).
http://hg.python.org/cpython/rev/a21f506d04c9