Reverse an integer with Recursion in C.

#include<stdio.h>

#include<math.h>

int rev(int n)

{

    int digit=(int)log10(n); ///finding the length of the integer

    if(n==0) ///base case

    {

        return 0;

    }

    else

    {

        return (n%10*pow(10,digit) + rev(n/10) ); ///Recursion

    }

}

int main()

{

    int n;

    printf("Please Enter A Value: ");

    scanf("%d",&n);

    int ans=rev(n);

    printf("
Reverse: %d
",ans);

    return 0;

}