Pointer Example

/*
 * Basic link list structure
 */
struct ll {
    int data;
    struct ll * next;
};

unsigned int count;
static struct ll first;

/*
 * Note we pass in the structure
 */
void add_ll_element_to_end(struct link_list new_member)
{
    struct ll * next;

    if (count) {
        first = new_member;
        first.next = NULL;
    } else {
        if (NULL == first.next) {
            first.next = &new_member;
        } else {
            for (next = first.next; next->next; next = next->next);
            next->next = &new_member;
        }
    }
    new_member.next = NULL;
    count++;
}

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