C 语言之结构体

#include <stdio.h>

#include <struct.h>

#include <string.h>

 

// struct 是结构体的关键词。

typedef struct Student

{

    char name[30];

    char addr[50];

    int age;

}STU;//   STU=struct Student

 

 

 

int main(int argc, const char * argv[]) {

    STU student1;

    STU student2;

    

    strcpy(student1.name,"张三");

    strcpy(student1.addr,"北京");

    student1.age=20;

    

    strcpy(student2.name,"李四");

    strcpy(student2.addr, "四川");

    student2.age=30;

    

    printf("-------------利用指针访问结构体成员。
");

    STU *pointer1=&student1;

    printf("student1.name = %s
",pointer1->name);

    printf("student1.addr = %s
",pointer1->addr);

    printf("student1.age = %d
",pointer1->age);

    STU *pointer2=&student2;

    printf("student2.name = %s
",pointer2->name);

    printf("student2.addr = %s
",pointer2->addr);

    printf("student2.age = %d
",pointer2->age);

    

    printf("-------------利用指针访问结构体地址和结构体中成员的地址。
");

    printf("&student1 = %p
",&student1);

    printf("&(pointer->name) = %p
",&(pointer1->name));

    printf("&(pointer->name) = %p
",&(pointer1->addr));

    printf("&(pointer->name) = %p
",&(pointer1->age));

 

    

    printf("-------------利用结构体访问地址。
");

    printf("&(student1.name) = %p
",&(student1.name));

    printf("&(student1.addr) = %p
",&(student1.addr));

    printf("&(student1.age) = %p
",&(student1.age));

    

    

    

    return 0;

}