www.pudn.com > cp3.rar > p3-154.cpp

#include 
#include   
#include 
int main(void) 
{ 
    //定义结构类型 
    struct student { 
       int num; 
       char name[20]; 
       float grade; 
    }; 
 
    //声明结构指针变量 
    struct student *sp;  
    //计算申请的内存量 
    int size=sizeof(struct student); 
 
   //申请需要的存储空间并强制类型转换 
   sp=(struct student*)malloc(size); 
 
    //为结构对象输入数据 
    cout<<"nmu:"; 
    cin>>(sp->num); 
    cout<<"name:"; 
    cin>>(sp->name); 
    cout<<"grade:"; 
    cin>>(sp->grade); 
 
    //输出结构对象的数据 
    cout<<"num:"<<(sp->num)<name)<grade); 
    
    //释放内存 
    free(sp); 
}