extern char  *msgEnterCard;
extern char  *msgEnterCode;
extern char  *msgDoorOpen;
extern char  *msgInvalidCardOrCode;
extern char  *msgAdmin;
extern char  *msgPleaseWait;
extern char  *msgEnterNewCard;
extern char  *msgEnterCardToDelete;
extern char  *msgOk;
extern char  *msgKo;