chgstruc.c

原创于 2007-11-08 12:35:00 发布 · 296 阅读

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#structure #struct #float #include

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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 <stdio.h>

struct Shape
{
int type;
int color;
float radius;
float area;
float perimeter;
};

void change_structure(struct Shape *shape)
{
   (*shape).type = 0;
   (*shape).color = 1;
   (*shape).radius = 5.0;
   (*shape).area = 22.0 / 7.0 * (*shape).radius * (*shape).radius;
   (*shape).perimeter = 2.0 * 22.0 / 7.0 * (*shape).radius;
}

void main(void)
{
   struct Shape circle;

   change_structure(&circle);

   printf("circle.type %d/n", circle.type);
   printf("circle.color %d/n", circle.color);
   printf("circle.radius %f circle.area %f circle.perimeter %f/n",
     circle.radius, circle.area, circle.perimeter);
}