rtn_ref.cpp

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#library #include #basic #struct #float

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本文介绍了一个使用C++实现的图书信息管理程序。通过结构体定义了图书的属性，并利用函数返回结构体的引用来操作图书集合。示例展示了如何初始化图书数据并输出特定图书的信息。

name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> #include <iostream.h>

struct book
{
char author[64];
char title[64];
float price;
};

book library[3] = {
{"Jamsa and Klander", "Jamsa's C/C++ Programmer's Bible", 49.95},
{"Klander", "Hacker Proof", 54.95},
{"Jamsa and Klander", "1001 Visual Basic Programmer's Tips", 54.95}};

book& get_book(int i)
{
   if ((i >= 0) && (i < 3))
     return(library[i]);
   else
     return(library[0]);
}

void main(void)
{
   cout << "About to get book 0/n";
   book& this_book = get_book(0);
   cout << this_book.author << ' ' << this_book.title;
   cout << ' ' << this_book.price;
}