/**
* \note 00101 - X^5+X^2+1
*/
-Uint8 USB_TokenCRC(void *Data, int len);
+extern Uint8 USB_TokenCRC(void *Data, int len);
/**
* \note X^16 + X15 + X^2 + 1
*/
-Uint16 USB_DataCRC(void *Data, int len);
+extern Uint16 USB_DataCRC(void *Data, int len);
// === STRUCTURES ===
/**