82     char dev_name[64];  member
323 struct usb_device *usb_device_open(const char *dev_name)  in usb_device_open()  argument
328     D("usb_device_open %s\n", dev_name);  in usb_device_open()
335         if (access(dev_name, R_OK | W_OK) == 0) {  in usb_device_open()
339             if (access(dev_name, R_OK) == 0) {  in usb_device_open()
341                 writeable = (access(dev_name, R_OK | W_OK) == 0);  in usb_device_open()
351         fd = open(dev_name, O_RDWR);  in usb_device_open()
353         fd = open(dev_name, O_RDONLY);  in usb_device_open()
358     struct usb_device* result = usb_device_new(dev_name, fd);  in usb_device_open()
370 struct usb_device *usb_device_new(const char *dev_name, int fd)  in usb_device_new()  argument
375     D("usb_device_new %s fd: %d\n", dev_name, fd);  in usb_device_new()
384     strncpy(device->dev_name, dev_name, sizeof(device->dev_name) - 1);  in usb_device_new()
404     int fd = open(device->dev_name, O_RDWR);  in usb_device_reopen_writeable()
424     return device->dev_name;  in usb_device_get_name()
430     sscanf(device->dev_name, USB_FS_ID_SCANNER, &bus, &dev);  in usb_device_get_unique_id()