Visual Studio 2015 doesn't compile with standard setup. about keylogger HOT 2 CLOSED

- OUTPUT_FILE = fopen(file, "a+");
+ fopen_s(&OUTPUT_FILE, file, "a+");

- time_t t = time(NULL);
- struct tm *tm = localtime(&t);
- char s[64];
- strftime(s, sizeof(s), "%c", tm);
+ time_t t = time(NULL);
+ struct tm tm;
+ localtime_s(&tm, &t);
+ char s[64];
+ strftime(s, sizeof(s), "%c", &tm);

- strcpy(lastwindow, window_title);
+ strcpy_s(lastwindow, window_title);