Linked List traversal

#include<stdio.h>
#include<conio.h>


void main()
  struct node
  {
  int data;
  struct node *next;
  };
 
 struct node *head,*newnode,*temp;
 
 head=0,temp=0;
 
 int choice;
 
 while (choice){
 newnode = (struct node*)malloc(sizeof(struct node))
 
    printf("Enter data")
    
    scanf("%d",&newnode->data);
    newnode->next=0;
    
    if(head==0)
    {
    head=temp=newnode;
    }
    else
    {
    temp->next=newnode;
    temp=newnode;
    }
    
    printf("Do you want to continue (0,1)?");
    scanf("%d",&choice);
    
    /////////////////displaying///////////////
    
    
    temp=head;
    while(temp!=0)
    {
    printf("%d",temp->data);
    temp=temp->next;
    }
    getch();
    
 }