Infinite Precision Arithmetic in c pgm

Support Infinite Precision Arithmetic & Store a Number as a List of Digits

#include 

#include 

#include 

#include 

struct node

{

    int num;

    struct node *next;

};

int feednumber(struct node **);

void release(struct node **);

void display(struct node *);

int main()

{

    struct node *p = NULL;

    int pcount = 0, qcount = 0;

    clrscr();

    printf("Enter number of any length\n");

    pcount = feednumber(&p);

    printf("Number of integers entered are: %d\n", pcount);

    printf("Displaying the number entered:\n");

    display(p);

    release(&p);

    return 0;

}

int feednumber(struct node **head)

{

    char ch, dig;

    int count = 0;

    struct node *temp, *rear = NULL;

    ch = getchar();

    while (ch != '\n')

    {

        dig = atoi(&ch);

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

        temp->num = dig;

        temp->next = NULL;

        count++;

        if ((*head) == NULL)

        {

            *head = temp;

            rear = temp;

        }

        else

        {

            rear->next = temp;

            rear = rear->next;

        }

        ch = getchar();

    }

    return count;

}

void display (struct node *head)

{

    while (head != NULL)

    {

        printf("%d", head->num);

        head = head->next;

    }

    printf("\n");

}

void release (struct node **head)

{

    struct node *temp = *head;

    while ((*head) != NULL)

    {

        (*head) = (*head)->next;

        free(temp);

        temp = *head;

    }

}

Output

Enter number of any length

932429842394820948234948098391830283192193818310398291830131209

Number of integers entered are: 63

Displaying the number entered:

932429842394820948234948098391830283192193818310398291830131209