Create and Display Doubly Linked List

#include<stdio.h>
#include<stdlib.h>

struct node
{
    int data;
    struct node *prev,*next;
}*head;

int main()
{
    int n;
    printf("Enter Total Number Of Nodes: ");
    scanf("%d",&n);
    createList(n);

    printf("\Doubly Linked List is: ");
    displayList();

    return 0;

}
void createList(int n)
{
    int i,data;
    struct node *temp,*p;

    temp=(struct node *)malloc(sizeof(struct node));

    printf("Enter data for node 1: ");
    scanf("%d",&data);

    temp->data=data;
    temp->prev=NULL;
    temp->next=NULL;

    head=temp;
    p=temp;

    for(i=2;i<=n;i++)
    {
        temp=(struct node *)malloc(sizeof(struct node));
        printf("Enter data for node %d: ",i);
        scanf("%d",&data);

        temp->data=data;
        temp->next=NULL;
        temp->prev=p;
        p->next=temp;

        p=p->next;

    }
}
void displayList()
{
    struct node *temp;

    temp=head;

    while(temp != NULL)
    {
        printf("\n%d",temp->data);
        temp=temp->next;
    }
}