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A comment on How to find size of an array in C without sizeof. Parent comment

Re:How to find size of an array in C without sizeof by icedchai on Monday December 26, 2016 @04:46PM (#13259926)
On a 64-bit platform (anything modern), ptrdiff_t is going to be 64-bit so this will not be an issue (ok, 63-bit... but you get my point.)
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Re:How to find size of an array in C without sizeof by mannykannot on Monday December 26, 2016 @07:54PM (#13260614)
In this context, the difference between 63 bits and 64 bits is not trivial.
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Re:How to find size of an array in C without sizeof by yoklov on Tuesday December 27, 2016 @12:08PM (#13264321)
Both are bigger than the x64 address space...
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