-extern int PtyRDFD; /* File descriptor for reading and writing to/from */
-extern int PtyWRFD; /* pty interface - only different in debug mode. */
-
-static u8 ModemRegisters[MAX_MODEM_REGISTERS];
-static char CmdBuffer[MAX_CMD_BUFFERS][CMD_BUFFER_LENGTH];
-static int CurrentCmdBuffer;
-static int CurrentCmdBufferIndex;
-static bool VerboseResponse; /* Switch betweek numeric (4) and text responses (ERROR) */
-static char IncomingCallNo;
-static int MessageFormat; /* Message Format (text or pdu) */
+int PtyRDFD; /* File descriptor for reading and writing to/from */
+int PtyWRFD; /* pty interface - only different in debug mode. */