1 #include <stdio.h>
2 #include <stdlib.h>
3
4 struct dangdang
5 {
6 char email[30];
7 char name[30];
8 char addr[100];
9 int num;
10 int bugnum;
11 char tel[20];
12 char phone[20];
13 double RMB;
14
15 }dbdd[2]={{"1171546435@qq.com","lj","重庆市",34,77,"18778654634","4334564",1000},
16 {"453454534@qq.com","fd","贵阳",43,65,"543475634","45345",54444}
17 };
18
//访问数组
19 void main3()
20 {
21 int a[5]={1,2,3,4,5};
22 int *p;
23 for(p=a;p>a+5;p++)//p++根据类型增加 一次增加四个字节
24 {
25 printf("%d%x",*p,p);
26 }
27 }
28
29 void main4()
30 {
31 struct dangdang *p;
32 for(p=dbdd;p<dbdd+4;p++)
33 {
34 //两种方式
35 printf("\nname=%s,addr=%s,phone=%s",p->name,p->addr,p->phone);
36 printf("\nname=%s,addr=%s,phone=%s",(*p).name,(*p).addr,(*p).phone);
37 }
38
39 getchar();
40 }
