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homework2/LinkLits.cpp

@@ -1,23 +1,19 @@
 #include <iostream>
 #include<iomanip>
+#include"LinkList.h"
 using namespace std;
 
-typedef struct bookNode {
-    string id;
-    string name;
-    double price;
-    bookNode *next;
-} book_node, *bookList;
 
-bool is_list_empty(bookList *l) {
+bool isEmpty(bookList *l) {
     if ((*l)->next == NULL) {
         return true;
     }
     return false;
 }
 
+
 void display(bookList *l) {
-    if (is_list_empty(l)) {
+    if (isEmpty(l)) {
         printf("List is empty\n");
     } else {
         bookNode *temp = (*l)->next;