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>Due to C there is no way to declare both an int and that in the loop preamble so you'd need at least one more line

In C99 it's allowed to declare in the loop preamble. True for ANSI-C.

Not differing types

If you really want to, I think you might be able to declare a struct in there. A curse on your house though....

In the end I wanted the variable to persist beyond the end of the loop anyway