C Language: Get the boot time

Get boot time to use GetTickCount () This API , feature time at the beginning to get re-run system . code show as below:

1. #include<stdio.h>
2. #include<windows.h>
3.  
4. int main ()
5. {
6. DWORD k = GetTickCount();
7. int s = k/1000;
8. you min = 0, h = 0;
9. if (s >= 60){
10. min = p / 60;
11. s = s % 60;
12. }
13. if (min >= 60){
14. h = min / 60;
15. min = min 60%;
16. }
17. printf ( "re-boot the system over time now:% dh% d min% ds \ n", h, min, s);
18.  
19. system("pause");
20. return 0;
21. }

operation result:

Now re-boot the system over time: 37 h 21 min 19 s
, press any key to continue.