linkedlist.c

struct node
{
    int data;
    struct node *link;
};

// inserts a node after the header node.
void insertAtEnd(struct node *head, int data)
{

    struct node *p;
    struct node *temp;
    temp = (struct node *)malloc(sizeof(struct node));
    temp->info = data;

    p = head;
    while (p->link != NULL)
    {
        p = p->link;
    }

    temp->link = p->link;
    p->link = temp;
}