274     int fd, n;  in read_sysfs_string()  local
284     n = read(fd, buf, bufsize - 1);  in read_sysfs_string()
287     if (n < 0)  in read_sysfs_string()
290     buf[n] = '\0';  in read_sysfs_string()
292     return n;  in read_sysfs_string()
334     int n, in, out, ifc;  in find_usb_device()  local
360             n = read(fd, desc, sizeof(desc));  in find_usb_device()
362             if (filter_usb_device(de->d_name, desc, n, writable, callback, &in, &out, &ifc) == 0) {  in find_usb_device()
369                 n = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &ifc);  in find_usb_device()
370                 if (n != 0) {  in find_usb_device()
390     int n;  in Write()  local
405         n = ioctl(handle_->desc, USBDEVFS_BULK, &bulk);  in Write()
406         if(n != xfer) {  in Write()
408                 n, errno, strerror(errno));  in Write()
425     int n, retry;  in Read()  local
442            n = ioctl(handle_->desc, USBDEVFS_BULK, &bulk);  in Read()
443            DBG("[ usb read %d ] = %d, fname=%s, Retry %d \n", xfer, n, handle_->fname, retry);  in Read()
445            if( n < 0 ) {  in Read()
446             DBG1("ERROR: n = %d, errno = %d (%s)\n",n, errno, strerror(errno));  in Read()
451         while( n < 0 );  in Read()
453         count += n;  in Read()
454         len -= n;  in Read()
455         data += n;  in Read()
457         if(n < xfer) {  in Read()