1 5dc21454 2023-07-14 jrmu /*
2 5dc21454 2023-07-14 jrmu  * Adapt the ideas of printd to write a recursive version of itoa ; that is,
3 5dc21454 2023-07-14 jrmu  * convert an integer into a string by calling a recursive routine.
4 5dc21454 2023-07-14 jrmu  */