ctypes.pointer(), ctypes.POINTER() speedup

[theller]

BPO	2616
Nosy	@theller
Files	ctypes-pointer.diff

^{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 = 'https://github.com/theller'
closed_at = <Date 2008-04-14.16:11:34.151>
created_at = <Date 2008-04-11.14:52:14.321>
labels = ['ctypes', 'performance']
title = 'ctypes.pointer(), ctypes.POINTER() speedup'
updated_at = <Date 2008-04-14.16:11:34.150>
user = 'https://github.com/theller'

bugs.python.org fields:

activity = <Date 2008-04-14.16:11:34.150>
actor = 'theller'
assignee = 'theller'
closed = True
closed_date = <Date 2008-04-14.16:11:34.151>
closer = 'theller'
components = ['ctypes']
creation = <Date 2008-04-11.14:52:14.321>
creator = 'theller'
dependencies = []
files = ['10007']
hgrepos = []
issue_num = 2616
keywords = ['patch']
message_count = 2.0
messages = ['65356', '65464']
nosy_count = 1.0
nosy_names = ['theller']
pr_nums = []
priority = 'normal'
resolution = 'accepted'
stage = None
status = 'closed'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue2616'
versions = ['Python 2.6']

[theller]

This patch implements the POINTER() and the pointer() function in C;
giving a speedup of roughly a factor of 2.

[theller]

Committed a slightly modified patch as rev 62338; will also be merged
into py3k.