#include<stdio.h>
#include <stdlib.h>
int main()
{
   struct node
   {
      int num;
      struct node *ptr;
   };
   typedef struct node NODE;
   NODE *head, *first, *temp=0;
   int count = 0;
   int choice = 1;
   first = 0;
   while(choice)
   {
      head =(NODE*) malloc(sizeof(NODE));
      printf("Enter the data item: ");
      scanf("%d", &head-> num);
      if(first != 0)
      {
         temp->ptr = head;temp = head;
      }
      else
      {
         first = temp = head;
      }
      fflush(stdin);
      printf("Do you want to continue(Type 0 or 1)?\n\n");
      scanf("%d", &choice);
   }
   temp->ptr = 0;
   temp = first; /* reset temp to the beginning*/
   printf("\n Status of the linked list is\n");
   while(temp!=0)
   {
      printf("%d=>", temp->num);
      count++;
      temp = temp -> ptr;
   }
   printf("NULL\n");
   printf("No. of nodes in the list = %d\n", count);
   return 0;
}

Enter the data item: 10
Do you want to continue <Type 0 or 1>?
1
Enter the data item: 20
Do you want to continue<Type 0 or 1>?
1
Enter the data item: 30
Do you want to continue<Type 0 or 1>?
0
Status of the Linked List is
10=>20=>30=>NULL
No.of nodes in the list = 3