Class tm

ImGuiFileDialog.cpp:840–840

            size_t len = 0;
#ifdef _MSC_VER
            struct tm _tm;
            errno_t err = localtime_s(&_tm, &statInfos.st_mtime);
            if (!err) len = strftime(timebuf, 99, DateTimeFormat, &_tm);
#else   // _MSC_VER