/* Construct the argument of LPRT (of the form af,n,h1,h2,...,hn,p1,p2). */
ip_address_to_lprt_repr (&addr, port, bytes, sizeof (bytes));
/* Send PORT request. */
request = ftp_request ("LPRT", bytes);
/* Construct the argument of LPRT (of the form af,n,h1,h2,...,hn,p1,p2). */
ip_address_to_lprt_repr (&addr, port, bytes, sizeof (bytes));
/* Send PORT request. */
request = ftp_request ("LPRT", bytes);