小狗案例

小狗案例

***#include<stdio.h>
struct Dog{
    char *name;
    int age;
    double weight;
};
char* say(struct Dog dog){
      static char info[50];
      sprintf(info,"name=%s age=%d weight=%.2f ",dog.name,dog.age,dog.weight);
      dog.name="小花";
      return info;
}
void main(){
        struct Dog dog;
        char *info=NULL;
        dog.name="小黄";
        dog.age=1;
        dog.weight=3.4;
        info=say(dog);
         
    printf("\n 小狗的信息=%s",info);
    printf("\n main 小狗名字=%s",dog.name);
    getchar();
}***