指针结构体_数组指针结构体_指针数组结构

#include<stdio.h>

#include<stdlib.h>

typedef struct student{

int age;

int sex;

struct student *next;

}student,*p,(*p_array_point)[10],*p_point_array[20];

void main(){

//普通结构体变量

student stu;

stu.age = 10;

stu.sex = 1;

stu.next = (struct student*)malloc(sizeof(struct student));

stu.next->age = 20;

stu.next->sex = 2;

stu.next->next = NULL;

//指针结构体变量

p p_stu;

p_stu = (p)malloc(sizeof(student));

p_stu->age = 30;

p_stu->sex = 3;

p_stu->next = NULL;

//数组指针结构体变量：指针

p_array_point p_array_point_stu;

p_array_point_stu = (struct student(*)[10])malloc(10*sizeof(struct student));

for(int i=0;i<10;i++){

(*p_array_point_stu)[i].age = i+10;

(*p_array_point_stu)[i].sex = i+10;

(*p_array_point_stu)[i].next = NULL;

}

//指针数组结构体变量：数组

p_point_array p_point_array_stu;

*p_point_array_stu = (struct student*)malloc(20*sizeof(struct student));

*p_point_array_stu = &stu;

printf("%d\n",(*p_point_array_stu[0]).age);

}