253     int fd, n;  in read_sysfs_string()  local
263     n = read(fd, buf, bufsize - 1);  in read_sysfs_string()
266     if (n < 0)  in read_sysfs_string()
269     buf[n] = '\0';  in read_sysfs_string()
271     return n;  in read_sysfs_string()
313     int n, in, out, ifc;  in find_usb_device()  local
339             n = read(fd, desc, sizeof(desc));  in find_usb_device()
341             if(filter_usb_device(de->d_name, desc, n, writable, callback,  in find_usb_device()
349                 n = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &ifc);  in find_usb_device()
350                 if(n != 0) {  in find_usb_device()
371     int n;  in usb_write()  local
386         n = ioctl(h->desc, USBDEVFS_BULK, &bulk);  in usb_write()
387         if(n != xfer) {  in usb_write()
389                 n, errno, strerror(errno));  in usb_write()
406     int n, retry;  in usb_read()  local
423            n = ioctl(h->desc, USBDEVFS_BULK, &bulk);  in usb_read()
424            DBG("[ usb read %d ] = %d, fname=%s, Retry %d \n", xfer, n, h->fname, retry);  in usb_read()
426            if( n < 0 ) {  in usb_read()
427             DBG1("ERROR: n = %d, errno = %d (%s)\n",n, errno, strerror(errno));  in usb_read()
432         while( n < 0 );  in usb_read()
434         count += n;  in usb_read()
435         len -= n;  in usb_read()
436         data += n;  in usb_read()
438         if(n < xfer) {  in usb_read()