implicit declaration of function itoa is invalid in c99
c
Solution
The problem is that itoa() isn't a standard function.
You should take a look at this link which gives you some alternative implementations
Problem
When I try use the function `itoa()`, I get the warning: implicit declaration of function is invalid in c99. I have included stdlib.h on my header. I'm trying to call this function inside a function, I'm not sure if this is allowed.