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

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