LinkedList Print in reverse order

void PrintReverse(ListNode *head) { int len = 0; ListNode * curHead = head; while(curHead != NULL) { len++; curHead = curHead->next; } int arr[len];

int i = 0;
while(head != NULL)
{
    arr[i] = head->val;
    head = head->next;
    i++;
}
for(int i = len - 1; i >= 0; i--)
    printf("%d ", arr[i]);

}