SUM OF DIGITS OF A NUMBER USING RECURSION

#include<stdio.h> 

#include<conio.h>

void main()

{

  int num,x;

  clrscr();

  printf("\nEnter a number: ");

  scanf("%d",&num);

  x=findsum(num);

  printf("Sum of the digits of %d is: %d",num,x);

  getch();

}

  int r,s;

  int findsum(int n)

  {

            if(n)

            {

                        r=n%10;

                        s=s+r;

                        findsum(n/10);

            }

            else

                        return s;

  }