GetVersionExW(&osInfo);
	}
	osInfoInitialized = 1;
    }

    GetSystemInfo(&sysInfo);

    Tcl_SetVar2(interp, "tcl_platform", "os", "Windows NT", TCL_GLOBAL_ONLY);
    Tcl_SetVar2(interp, "tcl_platform", "os",
	    "Windows NT", TCL_GLOBAL_ONLY);
    sprintf(buffer, "%d.%d", osInfo.dwMajorVersion, osInfo.dwMinorVersion);
    Tcl_SetVar2(interp, "tcl_platform", "osVersion", buffer, TCL_GLOBAL_ONLY);
    if (sysInfo.wProcessorArchitecture < NUMPROCESSORS) {
	Tcl_SetVar2(interp, "tcl_platform", "machine",
		processors[sysInfo.wProcessorArchitecture],
		TCL_GLOBAL_ONLY);
    }