parport_write
written = parport_write(port, kbuf, copy_size);
written = parport_write(port, s, canwrite);
written = parport_write(port, crlf, i);
wrote = parport_write(pp->pdev->port, kbuffer, n);
EXPORT_SYMBOL(parport_write);
extern ssize_t parport_write (struct parport *, const void *buf, size_t len);