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Having a pointer to a stack variable is fine, as long as the stack variable lives longer than the closure.

Right, so your original claim about properly cleaning up is not the only problem with closures in C. There are quite a few hazards actually.

> Right, so your original claim about properly cleaning up is not the only problem with closures in C.

Your comment makes no sense. OP stated that your hypothetical problem isn't even a problem if the developer knows what he is doing, and your take from that is that there are more problems?

The original poster said the trouble was cleaning up after the closure is no longer needed. That's clearly not the case as this thread has covered. I thought the previous poster was the original poster, so just replace "your original claim" with "the original claim".

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