+#define PROXPROMPT "proxmark3> "
+
+extern usb_dev_handle *devh;
+extern unsigned char return_on_error;
+extern unsigned char error_occured;
+
+int ReceiveCommandP(UsbCommand *c);
+usb_dev_handle* OpenProxmark(int);
+void CloseProxmark(void);
+
+void setlogfilename(char *fn);