int source[] = {3, 1, 4, 1, 5, 9, 0};
int dest[]   = {1, 1, 1, 1, 1, 1, 0, 0, 0, 0};

int main() {
    int k;
    for (k=0; source[k]!=0; k++) {
        dest[k] = source[k];
    }
    return 0;
}