#include "mingw/common.h"
int device_fd = 0;
-HANDLE device_handle = INVALID_HANDLE_VALUE;
+static HANDLE device_handle = INVALID_HANDLE_VALUE;
char *device = NULL;
char *iface = NULL;
char *device_info = NULL;
-int device_total_in = 0;
-int device_total_out = 0;
+static int device_total_in = 0;
+static int device_total_out = 0;
extern char *myport;