#include #include #include"LinkList.h" using namespace std; bool isEmpty(bookList *l) { if ((*l)->next == NULL) { return true; } return false; } void display(bookList *l) { if (isEmpty(l)) { printf("List is empty\n"); } else { bookNode *temp = (*l)->next; while (temp != NULL) { cout << temp->id << " " << temp->name << " " << fixed << setprecision(2) << temp->price << endl; temp = temp->next; } } }