have been needed is written into I<buffer_len>; I<buffer> itself is left
untouched. The return value is B<ENOMEM> in this case.
+=head1 KNOWN BUGS
+
+=over 4
+
+=item
+
+B<PING_INFO_RECV_TTL> is not available under Debian Etch due to a missing
+define in the header files.
+
+=back
+
=head1 SEE ALSO
L<ping_iterator_get(3)>,