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Go to post number 5.

(If i were you I would do that. It is not such a big deal ;) )

Maybe this is better.

length + 1 was meant for the terminating null. You have to remember this for your dynamic allocation too!

I provided you two options... Not one :)

If you interesting read here for the gcc

Salem explained the problem, but you posted the same time so I guess you didn't notice it :)

You have to dynamically allocate your memory, or set from start a constant number that is logical for...

You have have


char input[] = "";

so automatically, the length is computed by the compiler to preserve enough space to fit what is assigned to it, thus ""
What you need is


char...