[issue34592] cdll.LoadLibrary allows None as an argument

[Gregory P. Smith]

Gregory P. Smith <greg at krypto.org> added the comment:

We do need to document this in ctypes.rst.  Quite a bit of code depends on ctypes.CDLL(None) and similar to get at symbols linked into the interpreter or already dlopened into the process these days.  It works on Linux; I'm assuming it likely does on everything POSIXy.

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assignee:  -> docs at python
components: +Documentation
nosy: +docs at python, gregory.p.smith
stage: resolved -> needs patch
status: closed -> open
versions: +Python 3.11 -Python 2.7, Python 3.4, Python 3.5, Python 3.6, Python 3.7

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<https://bugs.python.org/issue34592>
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