how to reverse array?

void reverse(int a[], int n) {
  for(int i = 0; i < n / 2; i++) {
    int temp = a[i];
    a[i] = a[n - i - 1];
    a[n - i - 1] = temp;
  }
}

int a[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
reverse(a, 10);
for(int i = 0; i < 10; i++) {
  printf("%d ", a[i]);
}