246     int fd, n;  in read_sysfs_string()  local
256     n = read(fd, buf, bufsize - 1);  in read_sysfs_string()
259     if (n < 0)  in read_sysfs_string()
262     buf[n] = '\0';  in read_sysfs_string()
264     return n;  in read_sysfs_string()
306     int n, in, out, ifc;  in find_usb_device()  local
332             n = read(fd, desc, sizeof(desc));  in find_usb_device()
334             if(filter_usb_device(de->d_name, desc, n, writable, callback,  in find_usb_device()
342                 n = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &ifc);  in find_usb_device()
343                 if(n != 0) {  in find_usb_device()
364     int n;  in usb_write()  local
379         n = ioctl(h->desc, USBDEVFS_BULK, &bulk);  in usb_write()
380         if(n != xfer) {  in usb_write()
382                 n, errno, strerror(errno));  in usb_write()
399     int n, retry;  in usb_read()  local
416            n = ioctl(h->desc, USBDEVFS_BULK, &bulk);  in usb_read()
417            DBG("[ usb read %d ] = %d, fname=%s, Retry %d \n", xfer, n, h->fname, retry);  in usb_read()
419            if( n < 0 ) {  in usb_read()
420             DBG1("ERROR: n = %d, errno = %d (%s)\n",n, errno, strerror(errno));  in usb_read()
425         while( n < 0 );  in usb_read()
427         count += n;  in usb_read()
428         len -= n;  in usb_read()
429         data += n;  in usb_read()
431         if(n < xfer) {  in usb_read()