* Returns string representation of an int, in static memory. If width
* == 0, does not limit the width. If width > 0 and value will not fit
* in field of that size, including any negative sign but excluding
* Returns string representation of an int, in static memory. If width
* == 0, does not limit the width. If width > 0 and value will not fit
* in field of that size, including any negative sign but excluding