DeleteLL_Element

node *del(node *head, char remove)
{
    node *p = head;
    node *temp;
    temp = (node *)malloc(sizeof(node));
    while (p != NULL) {
        if (p == head && p->letters == remove) {
            temp = p->next;
            free(p);
            head = temp;
            p = head;
        }
        else if (p->next != NULL && p->next->letters == remove ) {
            temp = p->next;
            p->next = temp->next;
            free(temp);
        }
        p = p->next;
    }
    return head;
}