C + + Startup function startup

__declspec (noinline) int__tmaincrtstartup (void) {int initret;        int mainret=0;        int managedapp; #ifdef _winmain_ _tuchar *lpszcommandline;        Startupinfow Startupinfo; Getstartupinfow (&startupinfo), #endif/* _winmain_ */#ifdef _m_ix86 * * * Enable app termination when Heap corruption is detected on * Windows Vista and above.         This was a no-op on Down-level OS ' s * and enabled by default for 64-bit processes. */if (!_noheapenableterminationoncorruption) {heapsetinformation (NULL, Heapenableterminationonc        Orruption, NULL, 0); } #endif/* _m_ix86 */* * Determine if this is a managed application */Managedapp = check        _managed_app ();  if (!_heap_init ())/* Initialize heap */fast_error_exit (_rt_heapinit); /* Write Message and die */if (!_mtinit ())/* Initialize Multi-thread*/Fast_error_exit (_rt_thread); /* Write Message and die */* Enable buffer count checking if linking against static Lib */_crtsetcheckcou        NT (TRUE);        /* * Initialize the Runtime Checks stuff */#ifdef _RTC _rtc_initialize (); #endif/* _RTC */  /* Guard The remainder of the initialization code and the call * to user's main, or WinMain, function in         A __try/__except * statement. */__try {if (_ioinit () < 0)/* Initialize LOWIO */_amsg_exit (_rt_lowio            INIT);            /* Get wide cmd line info */_tcmdln = (_tschar *) getcommandlinet ();            /* Get wide environ info */_tenvptr = (_tschar *) getenvironmentstringst ();            if (_TSETARGV () < 0) _amsg_exit (_rt_spacearg);            if (_TSETENVP () < 0) _amsg_exit (_rt_spaceenv);                Initret = _cinit (TRUE);  /* Do C Data Initialize */if (Initret! = 0) _amsg_exit (initret); #ifdef _winmain_ L            pszCommandLine = _twincmdln ();                                 Mainret = _tWinMain ((hinstance) &__imagebase, WinMain function NULL,                                      Lpszcommandline, Startupinfo.dwflags & Startf_useshowwindow ? StartupInfo.wShowWindow:SW_SHOWDEFAULT); #else/* _            Winmain_ */_tinitenv = _tenviron;   Mainret = _tmain (__ARGC, _TARGV, _tenviron);                             Here is the real main function #endif/* _winmain_ */if (!managedapp) exit (Mainret);                                      Call the Exit Function _cexit () after execution is complete;             Do the Aftercare} __except (_xcptfilter (GetExceptionCode (), GetExceptionInformation ())) {/* * Should NevER reach here */Mainret = GetExceptionCode ();            if (!managedapp) _exit (Mainret);        _c_exit (); }/* End of Try-except */return Mainret;}

C + + Startup function startup