typedef struct\r
                {\r
                        USB_Descriptor_Configuration_Header_t    Config;\r
-                       USB_Descriptor_Interface_t               MSInterface;\r
-                       USB_Descriptor_Endpoint_t                MSDataInEndpoint;\r
-                       USB_Descriptor_Endpoint_t                MSDataOutEndpoint;\r
+                       USB_Descriptor_Interface_t               MS_Interface;\r
+                       USB_Descriptor_Endpoint_t                MS_DataInEndpoint;\r
+                       USB_Descriptor_Endpoint_t                MS_DataOutEndpoint;\r
                } USB_Descriptor_Configuration_t;\r
                \r
        /* Function Prototypes: */\r