transfer = libusb_alloc_transfer(0);
libusb_fill_bulk_transfer(transfer, usb->devhdl, EP_IN, buf,
MAX_REPLY_SIZE, receive_transfer, (void *)sdi, 100);
transfer = libusb_alloc_transfer(0);
libusb_fill_bulk_transfer(transfer, usb->devhdl, EP_IN, buf,
MAX_REPLY_SIZE, receive_transfer, (void *)sdi, 100);