un_class.cpp

最新推荐文章于 2021-08-04 11:24:37 发布

CCodes

最新推荐文章于 2021-08-04 11:24:37 发布

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分类专栏： U 文章标签： byte include c

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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>

union swap_byte
{
void swap(void);
void set_byte(unsigned i);
void show_word(void);

unsigned u;
unsigned char c[2];
};

void swap_byte::swap()
{
unsigned char t;

t = c[0];
c[0] = c[1];
c[1] = t;
}

void swap_byte::show_word()
{
cout << u;
}

void swap_byte::set_byte(unsigned i)
{
u = i;
}

void main(void)
{
swap_byte b;

b.set_byte(49034);
b.swap();
b.show_word();
}