>The idea is if a mbuf pointer is passed (i.e. buflen == 0) as the buffer,
>BPF knows it has a buffer of size "buflen" it can do an easy check with.

	now I see what you mean.  sorry, I was confused.

>If an mbuf has been passed (buflen == 0), but BPF says what we want is in
>the next mbuf, then m won't be NULL so it will go the long way though and
>call m_*word() to get the data.
>I suppose I can send you bpf_filter.c anyway and see if it
>works/crashes ? :-)

	please send me those.

itojun