System API Reference
| Function | Header | Summary |
|---|---|---|
| GetSystemTime | Windows.h | Retrieves the current system date and time. |
| SetSystemTime | Windows.h | Sets the current system date and time. |
| GetVersionEx | Windows.h | Retrieves operating system version information. |
| GetTickCount | Windows.h | Retrieves the number of milliseconds that have elapsed since the system was started. |
| GlobalMemoryStatusEx | Windows.h | Retrieves information about the system's current memory usage. |
Example: Retrieving System Time
#include <Windows.h>
#include <iostream>
int main()
{
SYSTEMTIME st;
GetSystemTime(&st);
std::cout << "UTC Time: "
<< st.wHour << ':' << st.wMinute << ':' << st.wSecond << std::endl;
return 0;
}