{
    struct fxp_xfer *xfer = snew(struct fxp_xfer);

    xfer->fh = fh;
    xfer->offset = offset;
    xfer->head = xfer->tail = NULL;
    xfer->req_totalsize = 0;
    xfer->req_maxsize = 16384;
    xfer->req_maxsize = 1048576;
    xfer->err = 0;
    xfer->filesize = uint64_make(ULONG_MAX, ULONG_MAX);
    xfer->furthestdata = uint64_make(0, 0);

    return xfer;
}

	} else {
	    xfer->head = rr;
	    rr->prev = NULL;
	}
	xfer->tail = rr;
	rr->next = NULL;

	rr->len = 4096;
	rr->len = 32768;
	rr->buffer = snewn(rr->len, char);
	sftp_register(req = fxp_read_send(xfer->fh, rr->offset, rr->len));
	fxp_set_userdata(req, rr);

	xfer->offset = uint64_add32(xfer->offset, rr->len);
	xfer->req_totalsize += rr->len;