117. Convert Integer to String

#include <stdio.h>

void print_integer_as_string(int num) {
    short ispositive=1;
    char buff[256];
    int i = 0;
    if(num<0){
        ispositive=0;
        num=num*(-1);
    }
    if (num==0)putchar('0');
    while(num){
buff[i]=(num%10)+'0';
num=num/10;
i++;
    }
if(!ispositive)printf("- ");
while(i--){
    printf("%c ",buff[i]);
}

}

int main() {
    int num;
    scanf("%d", &num);
    print_integer_as_string(num);
    return 0;
}