#ifdef __CYGWIN__
DLLIMPORT extern __stdcall unsigned char GetVersionExW(void *);
DLLIMPORT extern __stdcall void *LoadLibraryW(const void *);
DLLIMPORT extern __stdcall void FreeLibrary(void *);
DLLIMPORT extern __stdcall void *GetProcAddress(void *, const char *);
DLLIMPORT extern __stdcall void GetSystemInfo(void *);
DLLIMPORT extern __stdcall void GetSystemInfo(void *);

#define NUMPLATFORMS 4
static const char *const platforms[NUMPLATFORMS] = {
    "Win32s", "Windows 95", "Windows NT", "Windows CE"
};

#define NUMPROCESSORS 11

    Tcl_SetVar2(interp, "tcl_platform", "platform", "unix", TCL_GLOBAL_ONLY);
#endif

    unameOK = 0;
#ifdef __CYGWIN__
	unameOK = 1;
    if (!osInfoInitialized) {
	HANDLE handle = LoadLibraryW(L"NTDLL");
	__stdcall int(*getversion)(void *) =
		(__stdcall int(*)(void *))GetProcAddress(handle, "RtlGetVersion");
	osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
	if (!getversion || getversion(&osInfo)) {
	    GetVersionExW(&osInfo);
	}
	if (handle) {
	    FreeLibrary(handle);
	}
	osInfoInitialized = 1;
    }

    GetSystemInfo(&sysInfo);

    if (osInfo.dwPlatformId < NUMPLATFORMS) {
	Tcl_SetVar2(interp, "tcl_platform", "os",
		platforms[osInfo.dwPlatformId], TCL_GLOBAL_ONLY);