Ben Laurie <ben@algroup.co.uk> writes: > > So if you convert two pointers to the same PyIntObject to PyObject*, > > and convert them back, then compare them, you are guaranteed to get > > true. If you compare them while they are PyObject*, no guarantees are > > given. > > FWIW, K&R 2nd Ed. says in A6.6 that this is only true if the conversion > is to a type whose alignment requirement is less or equally strict. What is "this" in your message? "no guarantees are given", or "you are guaranteed to get true". If the latter: Sure, but 6.2.5p26 says # All pointers to structure types shall have the same representation # and alignment requirements as each other. So all pointers are equal. Regards, Martin
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