-int VM_PtySetup(char *bindir);
-void VM_ThreadLoop(void);
-void VM_CharHandler(void);
-int VM_GetMasterPty(char **name);
-void VM_Terminate(void);
-GSM_Error VM_GSMInitialise(char *model,
- char *port,
- char *initlength,
- GSM_ConnectionType connection,
- char *synchronizetime);