void SchedulePollProcedure(PollProcedure *pp, double timeOffset);
-extern qboolean serialAvailable;
extern qboolean ipxAvailable;
extern qboolean tcpipAvailable;
extern char my_ipx_address[NET_NAMELEN];
extern char my_tcpip_address[NET_NAMELEN];
-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);
extern qboolean slistInProgress;
extern qboolean slistSilent;