My link list is not working when i am putting value and location manually

Question

//I don't know why my code is not working.I am making a basic linked list
// but i am putting values in it manually. But it is stopping during run time.
//Anyone please help me and tell me the error. I will really appreciate it.
#include <stdio.h>
#include <stdlib.h>

void display();
struct node
{
int data;
struct node *next;
};
int main()
{
struct node * head=NULL,*first,*second,*third,*forth,*fifth,*newnode;
newnode=(struct node *)malloc(sizeof(struct node));
newnode->data=1;
newnode->next=second;
head=first=newnode;

newnode=(struct node*)malloc(sizeof(struct node));
newnode->data=2;
newnode->next=third;
second=newnode;

newnode=(struct node*)malloc(sizeof(struct node));
newnode->data=3;
newnode->next=forth;
third=newnode;

newnode=(struct node*)malloc(sizeof(struct node));
newnode->data=4;
newnode->next=fifth;
forth=newnode;

newnode=(struct node*)malloc(sizeof(struct node));
newnode->data=5;
newnode->next=NULL;
fifth=newnode;

void display()
{
newnode=first;
while(newnode!=NULL)
{
printf("->%d",newnode->data);
newnode=newnode->next;
}
}

display();
return 0;
}

Answer 1

I figured it out, but i am leaving this question so that you can solve it.