xclose(fd);
} else {
id[l] = 0;
D(("id %s fd %d", id, fd));
t = findtrack(id, 1/*create*/);
if (write(fd, "", 1) < 0) /* write an ack */
xclose(fd);
} else {
id[l] = 0;
D(("id %s fd %d", id, fd));
t = findtrack(id, 1/*create*/);
if (write(fd, "", 1) < 0) /* write an ack */