[docs] [issue8481] doc: ctypes no need to explicitly allocate writable memory with Structure

[Éric Araujo]

Changes by Éric Araujo <merwok at netwok.org>:


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assignee: flox -> theller
nosy: +theller -flox
priority:  -> normal

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8481>
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