C语言用递归法将一个整数N转换成字符串求解析！！！！！！急啊！！！！！！

#include void reversal(char str[], int length){ //反转 int i; for(i=0; i<length/2; i++){ char temp = str[i]; str[i] = str[length-i-1]; str[length-i-1] = temp; } } void itos(int n, char str[]