Example: Sum of Digits of a Number in C using Function

C
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C#
Java
Python
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// Sum of Digits of a Number in C using Function
#include <stdio.h>

// This function will make sum of digits of number itself
void DigitSum(int x) {
    int sum = 0, m;

    printf ("The sum of %d digits is = ", x);
    while (x > 0) {
        m = x%10;    
        sum = sum+m;    
        x = x/10;    
    }
    
    printf ("%d\n", sum);
}

// It's the driver function
int main() {
    int x;
    
    printf ("Enter the integer number::\n");
    scanf ("%d", &x);
    
    DigitSum(x);
    return 0;
}