指导我把数字除以10，然后转换成字符串

#include<stdio.h>
int main()
{
int num = 255;
num = num / 10;
char buf[5];
itoa(num, buf,10);
printf("%s", buf);
return 0.
}
#include<stdio.h>
int main()
{
int num = 255;
n