#include <windows.h>
#include <stdio.h>

int
main() {
	SYSTEMTIME	beginSystemTime = {1970, 1, 0, 1, 0, 0, 0, 0};
	ULARGE_INTEGER	beginFileTime, endFileTime;

	SYSTEMTIME	endSystemTime	= {2005, 3, 0, 15, 13, 1, 29, 0};

	if (!SystemTimeToFileTime(&beginSystemTime, (PFILETIME)&beginFileTime))
		goto fail;

	if (!SystemTimeToFileTime(&endSystemTime, (PFILETIME)&endFileTime))
		goto fail;

	printf("%d seconds\n", (endFileTime.QuadPart - beginFileTime.QuadPart) / 10000000);

	return 0;

fail:
	return -1;
}