-extern void (*GetComPortConfig) (int portNumber, int *port, int *irq, int *baud, qboolean *useModem);
-extern void (*SetComPortConfig) (int portNumber, int port, int irq, int baud, qboolean useModem);
-extern void (*GetModemConfig) (int portNumber, char *dialType, char *clear, char *init, char *hangup);
-extern void (*SetModemConfig) (int portNumber, char *dialType, char *clear, char *init, char *hangup);