Thread: How to force user to input a value in the type limit

Originally Posted by tabstop

So at least in newer implementations, errno should be settable. In fact, footnote 170 states that a program that wishes to check errno should set it to zero before the library call, and check it afterwards.

I don't think it's changed any time real recently, I was just confusing it with the fact that you should not declare errno as a variable, as that CAN certainly make a mess of things.

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Mats