Print Sum of Even Numbers

#include <stdio.h>

int sum_even_numbers(int *ptr, int n) {
    long sum_even_numbers = 0;

    for (int index = 0; index < n; index++) {
        int current = *(ptr + index);
        if (0 == (current % 2)) {
            sum_even_numbers += current;
        }
    }

    return sum_even_numbers;
}

int main() {
    int n;
    scanf("%d", &n);

    int arr[100];
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    int result = sum_even_numbers(arr, n);

    printf("Sum = %d", result);

    return 0;
}