linked list reverse code

#pragma once
#include<iostream>
using namespace std;
#define n 10

struct listN {
	char data;
	listN* next;
};

listN* reverse(listN*,listN*);
void displ(listN*);

int exercice1_2() {
	listN* head, *cur,*tmp,*rev;
	cout << "create a list of 10 characters: ";
	tmp = new listN;
	cin >> tmp->data;
	head = tmp;
	cur = tmp;
	for (int i = 1; i < n; i++) {
		tmp = new listN;
		cin >> tmp->data;
		cur->next = tmp;
		cur = cur->next;
	}
	cur->next = NULL; displ(head);
	rev=reverse(head, cur);
	displ(rev);
	return 0;
}

listN* reverse(listN* head, listN* cur) {
	listN* rev, * tmp;
	rev = new listN;
	tmp = head;
	cur = head->next;
	rev = cur;
	rev->next = tmp;
	while (cur != NULL) {
		rev = new listN;
		tmp = cur;
		cur = cur->next;
		rev = cur;
		rev->next = tmp;
	}

	return rev;
}

void displ(listN* rev) {
	while (rev != NULL) {
		cout << rev->data << " ";
		rev = rev->next;
	}
}