数据在linux和windows上是低字节在地位，高字节在高位，以此方法可以验证
运行结果：
1 #include <stdio.h>
2 #include <stdlib.h>
3
4 struct weiyu
5 {
6 unsigned char w0 : 1;
7 unsigned char w1 : 1;
8 unsigned char w2 : 1;
9 unsigned char w3 : 1;
10 unsigned char w4 : 1;
11 unsigned char w5 : 1;
12 unsigned char w6 : 1;
13 unsigned char w7 : 1;
14 };
15
16 void main()
17 {
18 int num = -1;
19 int count = 4;//读几次
20
21 struct weiyu *wei;
22
23 wei = #
24
25 for (int i = 0; i < count; i++)
26 {
27 printf("%d%d%d%d%d%d%d%d ", (wei + i)->w0, (wei + i)->w1, (wei + i)->w2, (wei + i)->w3,
28 (wei + i)->w4, (wei + i)->w5, (wei + i)->w6, (wei + i)->w7);
29 }
30 system("pause");
31 }