WAP in C to Find Sum of Digits of a Number using Recursion?

#include <stdio.h>
#include<conio.h>
int sum (int a);
int main()
{
int num, result;
clrscr();
printf(“Enter the number: “);
scanf(“%d”, &num);
result = sum(num);
printf(“Sum of digits in %d is %d\n”, num, result);
getch();
return(0);
}

int sum (int num)
{
if (num != 0)
{
return (num % 10 + sum (num / 10));
}
else
{
return(0);
}
}

Output:-

sumofdigitrecur

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