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计算机结构体大小
语言: C++, 标签: 无 2009/06/18发布 9个月前更新作者: 邓晓华, 点击152次, 评论(0), 收藏者(0), , 打分:
C++语言: 计算机结构体大小
01 #include <stdio.h>
02
03 struct stu
04 {
05 int i;
06 char c;
07 int k;
08 }; //大小为12
09
10 struct stu_2
11 {
12 int k;
13 short t;
14 }; //大小为8
15
16 struct stu_3
17 {
18 char c1;
19 int i;
20 char c2;
21 }; //大小为12
22
23 struct stu_4
24 {
25 char c1;
26 char c2;
27 int i;
28 }; //大小为8
29
30 struct stu_5
31 {
32 short i;
33 struct
34 {
35 char c;
36 int j;
37 }ss;
38 int k;
39 }; //大小为16
40
41 int main(void)
42 {
43 int a, b, c, d, e;
44
45 a = sizeof(struct stu);
46 b = sizeof(struct stu_2);
47 c = sizeof(struct stu_3);
48 d = sizeof(struct stu_4);
49 e = sizeof(struct stu_5);
50 printf("size of struct stu = %d\n", a); //12
51 printf("size of struct stu_2 = %d\n", b); //8
52 printf("size of struct stu_3 = %d\n", c); //12
53 printf("size of struct stu_4 = %d\n", d); //8
54 printf("size of struct stu_5 = %d\n", e); //16
55 return 0;
56 }
02
03 struct stu
04 {
05 int i;
06 char c;
07 int k;
08 }; //大小为12
09
10 struct stu_2
11 {
12 int k;
13 short t;
14 }; //大小为8
15
16 struct stu_3
17 {
18 char c1;
19 int i;
20 char c2;
21 }; //大小为12
22
23 struct stu_4
24 {
25 char c1;
26 char c2;
27 int i;
28 }; //大小为8
29
30 struct stu_5
31 {
32 short i;
33 struct
34 {
35 char c;
36 int j;
37 }ss;
38 int k;
39 }; //大小为16
40
41 int main(void)
42 {
43 int a, b, c, d, e;
44
45 a = sizeof(struct stu);
46 b = sizeof(struct stu_2);
47 c = sizeof(struct stu_3);
48 d = sizeof(struct stu_4);
49 e = sizeof(struct stu_5);
50 printf("size of struct stu = %d\n", a); //12
51 printf("size of struct stu_2 = %d\n", b); //8
52 printf("size of struct stu_3 = %d\n", c); //12
53 printf("size of struct stu_4 = %d\n", d); //8
54 printf("size of struct stu_5 = %d\n", e); //16
55 return 0;
56 }
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