Convert Integer to String

#include <stdio.h>

void print_integer_as_string(int num) {
    // Your logic here
    if (num==0) printf("0");

    char buff[32];
    int sign_check=0,i=0;

    if(num<0) //check sign
    {
        sign_check=1;
        num= (num)*-1;
    }
    while(num!=0) // store the signal digit in refers order
    {
        int rem=num%10;
        buff[i++]=rem+'0';
        num/=10;
    }

    if(sign_check) //if number is -ve stroe the sign else skip 
    {
        buff[i++]='-';
    }
    buff[i]='\0';

    for(char j=i-1;j>=0;j--)
    {
        printf("%c ",buff[j]);
    }



}

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