How to reverse any number using function with arguments?

CODE

How to reverse any number using function with arguments?

//Write a program to find reverse of a number using function with arguments…

int main()

{

    int n;

    printf("\n enter N:");

    scanf("%d",&n);

    void reverse(int n);

    reverse(n);

}

void reverse(n)

{

    int r,rev=0;

    while(n!=0)

    {

        r=n%10;

        rev=rev*10+r;

        n=n/10;

    }

    printf("\n reverse of the number=%d",rev);

}

Output:

enter N:456

 reverse of the number=654