This is an implementation of reversal of a Linked List

ItterativeReversalOfLinkedList.cpp

//Implementation of Linked List and Insertion of Elements
#include<iostream>
using namespace std;
struct Node{
	int data;      // representation of list
	Node* next;
};
struct Node* head;
void display(){
	Node* temp = head;
	cout<<"LIST : ";
	while(temp!=NULL){
		cout<<temp->data<<" ";
		temp = temp->next;  // list traversal
	}
	cout<<endl;
}
void insertAtHead(int x){
	Node* temp = new Node; //creation of a node
	temp->data = x;
	if(head == NULL){
		temp->next = NULL;
		head = temp;
		display();
	}
	else{
	temp->next = head;
	head = temp;
	}
	display();
}
void insertAtTail(int x){
	Node* temp = new Node;
	temp->data = x;
	temp->next = NULL;
	Node* temp1 = head;
	while(temp1->next!=NULL){
		temp1 = temp1->next;// link traversal
	}
	temp1->next = temp;
	display();
}
void insertAtN(int x, int n){
	Node* temp = new Node;
	temp->data = x;
	temp->next = NULL;
	if(n == 1){
		temp->next = head;
		head = temp;
		display();
	}
	else{
	Node* temp1 = head;
	for(int i=0; i<n-2; i++){
		if(temp1->next == NULL){
			cout<<"Position can't be found and element can't be added"<<endl;
			return;
			}
	temp1 = temp1->next;
		}
	temp->next = temp1->next;
	temp1->next = temp;
	}
	display();
}
void reverseLinkedList(){
	Node *current, *next, *prev;
	current = head;
	prev = NULL;
	while(current != NULL){
		next = current->next;
		current->next = prev;
		prev = current;
		current = next;
	}
	head = prev;
	display();
}
int main(){
	head = NULL; // empty list creation
	insertAtHead(4);
	insertAtHead(8);
	insertAtTail(5);
	insertAtN(3,1);
	insertAtN(4,2);
	insertAtN(2,6);
	insertAtN(4,7);
	reverseLinkedList();
}