结构成员访问的三种方法

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1. /*
   
2.  * =====================================================================================
   
3.  *
   
4.  * Filename: t.c
   
5.  * Version: 1.0
   
6.  * Created: 05/25/2012 09:35:49 AM
   
7.  * Revision: none
   
8.  * Compiler: gcc
   
9.  *
   
10.  * Author: xutao (xt), [e-mail]
    
11.  *         HomePage:     http://butbueatiful.blog.chinaunix.net
    
12.  * Company: akaedu.org
    
13.  * Copyright: Copyright (c) 2012, xutao
    
14.  *
    
15.  * Description:
    
16.  *
    
17.  * =====================================================================================
    
18.  */
    
19. #include <stdio.h>
    
20. 
    
21. struct student {
    
22.     int num;
    
23.     char *name;
    
24.     int score;
    
25. } stu;
    
26. 
    
27. int main(int argc, char *argv[])
    
28. {
    
29.     struct student *p = &stu;    
    
30.     stu.num = 1;
    
31.     (*p).name = "tom";
    
32.     p->score = 78;
    
33. 
    
34.     printf("num = %d\n", p->num);
    
35.     printf("name = %s\n", p->name);
    
36.     printf("score = %d\n", p->score);
    
37. 
    
38.     return 0;
    
39. }