#include <stdio.h>
#include <string.h>

typedef struct Node{
    int id;
    char name[20];
} student;

//! 结构体变量的复制 基本数据类型可以复制 数组都可以复制 而不是 只复制数组的地址
int main(void){

    student s1, s2;
    s1.id = 1;
    strcpy(s1.name, "LH");

    s2 = s1;
    printf("s1:%d %s\n", s1.id, s1.name);
    printf("s2:%d %s\n", s2.id, s2.name);

    s2.name[0] = 'A';
    
    printf("s1:%d %s\n", s1.id, s1.name);
    printf("s2:%d %s\n", s2.id, s2.name);


    return 0;
}