--- a/master/ioctl.h	Thu Jun 26 13:41:42 2008 +0000
+++ b/master/ioctl.h	Thu Jun 26 13:42:23 2008 +0000
@@ -296,7 +296,9 @@
         uint32_t pdo_count;
     } syncs[16];
     uint32_t sdo_count;
-    uint8_t attached;
+    uint8_t attached    : 1,
+            operational : 1;
+    
 } ec_ioctl_config_t;
 
 /*****************************************************************************/