int _tmain(int argc, _TCHAR* argv[])
{
    FILE *f;
    time_t rawtime;
    struct tm * timeinfo;



    while (TRUE){
        f = fopen("TestFile.txt", "a");
        time(&rawtime);
        timeinfo = localtime(&rawtime);
        fprintf(f, "Current local time and date: %s", asctime(timeinfo));
        printf("Current local time and date: %s", asctime(timeinfo));
        fclose(f);
        Sleep(1000);
    }
}