+ /* will return true for VC8 (VC2005) and higher */
+#if TARGET_HOST_MS_WINDOWS && ( _MSC_VER >= 1400 )
+ char *dial_device=NULL;
+ size_t sLen;
+ errno_t err = _dupenv_s( &dial_device, &sLen, "GLUT_DIALS_SERIAL" );
+ if (err)
+ fgError("Error getting GLUT_DIALS_SERIAL environment variable");
+#else
+ const char *dial_device=NULL;