#include <iostream>
using namespace std;

extern "C" {
	int array_sum( int *tab, int n );
}

int main() {

	int my_array[6] = { 1, 2, 3, 4, 5, 6 };
	
	cout << "sum=" << array_sum( my_array, 6 ) << endl;
	
	return EXIT_SUCCESS;
	
}