Search at a specific index of Linked List

searchInLL.cpp

#include<bits/stdc++.h>
using namespace std;

class Node{
    public:
        int data;
        Node* next;
        Node(int data){
            this->data = data;
            this->next = NULL;
        }
};
void searchInLL(Node **head,int key){
    Node *temp = *head;
    int index=0;
    while(temp!=NULL){
        if(temp->data==key){
            cout<<key<<" found at index: "<<index<<endl;
            return;
        }
        index++;
        temp = temp->next;
    }
    cout<<key<<" not found in LL"<<endl;
}

void printLL(Node **head){
    Node *temp = *head;
    while(temp!=NULL){
        cout<<temp->data<<" ";
        temp = temp->next;
    }
    cout<<endl;
}

int main(){
    Node* head = new Node(5);
    searchInLL(&head,7);
    printLL(&head);
}