通过结构体指针访问结构体内容

1. . 点是用结构体名访问

-> 是结构体指针访问时用的

#include <stdio.h>

struct Test
{
	int idata;
	char cdata;
};

int main()
{
	int a = 10;
	int *p = &a;
	
	char c = 'c';
	char *pc = &c;
	
	struct Test t1 = {10,'c'}; //1. 类型 2.名 3. 值 4.地址
	struct Test *ps = &t1;
	
	printf("t1的idata = %d\n ",t1.idata); // 用变量名访问，用点运算符
	printf("t1的idata = %d\n ",ps->idata); // 用指针变量访问，用"->"运算符
	
	ps->cdata = 'R';
	printf("t1的cdata=%c\n",t1.cdata);  //变量名访问,用点运算符
	printf("t1的cdata=%c\n",ps->cdata);  //
	
	return 0;
}