C Program to Create a Linked List and Display it

This C Program create a linked list & display the elements in the list. Linked list is an ordered set of data elements, each containing a link to its successor. This program is to create a linked list and display all the elements present in the created list.

Here is source code of the C program to create a linked list & display the elements in the list. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

```
/*
```

 * C program to create a linked list and display the elements in the list

```
 */
```
```
#include <stdio.h>
```
```
#include <malloc.h>
```
```
#include <stdlib.h>
```
```
 
```
```
void 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\n");

```
        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");

```
        scanf("%d", &choice);
```
```
 
```
```
    }
```
```
    temp->ptr = 0;
```
```
    /*  reset temp to the beginning */
```
```
    temp = first;
```

    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);

```
}
```

$ cc pgm98.c
$ a.out
Enter the data item
5
Do you want to continue(Type 0 or 1)?
0
 
status of the linked list is
5=>NULL
No. of nodes in the list = 1
 
$ a.out
Enter the data item
5
Do you want to continue(Type 0 or 1)?
1
Enter the data item
9
Do you want to continue(Type 0 or 1)?
1
Enter the data item
3
Do you want to continue(Type 0 or 1)?
0
 
status of the linked list is
5=>9=>3=>NULL
No. of nodes in the list = 3

Sanfoundry Global Education & Learning Series – 1000 C Programs.

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If you wish to look at other example programs on Linked List, go to C Programming Examples on Linked List. If you wish to look at programming examples on all topics, go to C Programming Examples.

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