add mem copy file

C++/mem.cpp

@@ -0,0 +1,62 @@
+/*************************************************************************
+ > File Name: mem.cpp
+ > Author: 
+ > Mail: 
+ > Created Time: 日 9/11 14:18:26 2016
+ ************************************************************************/
+
+#include <iostream>
+using namespace std;
+void printfBook(struct Books book);
+
+/**
+ * 声明数据结构
+ */
+struct Books
+{
+ // 给使用的变量申请内存空间
+ char title[50];
+ char author[20];
+ char subject[200];
+ int book_id;
+}Book1,Book2;
+
+int main()
+{
+ // 将变量值拷贝到字符串所对应的空间上
+ strcpy(Book1.title, "English");
+ strcpy(Book1.author, "Mark");
+ strcpy(Book1.subject, "Mark is the book English!");
+ Book1.book_id = 12;
+
+ strcpy(Book2.title, "English_2");
+ strcpy(Book2.author, "Mark_2");
+ strcpy(Book2.subject, "Mark_2 is the book English_2!");
+ Book2.book_id = 14;
+
+ // 手动输出第一本
+ cout << "The book id is :" << Book1.book_id << endl;
+ cout << "The book title is :" << Book1.title << endl;
+ cout << "The book author is :" << Book1.author << endl;
+ cout << "The book subject is:" << Book1.subject << endl;
+
+ // 使用自定义函数输出结构数据信息
+ printfBook(Book1);
+ printfBook(Book2);
+
+ return 0;
+}
+
+/**
+ * 函数声明前缀 void 与函数返回值息息相关
+ */
+void printfBook(struct Books book)
+{
+ cout << "\n/------------------< The book : " << book.book_id <<" >-------------------/\n" << endl;
+
+ cout << "The book id is :" << book.book_id << endl;
+ cout << "The book title is :" << book.title << endl;
+ cout << "The book author is :" << book.author << endl;
+ cout << "The book subject is:" << book.subject << endl;
+}
+