ip_reassemble
extern int ip_reassemble(mblk_t *, ipf_t *, uint_t, boolean_t, ill_t *,
(void) ip_reassemble(mp, ipf,
ret = ip_reassemble(mp, ipf,
(void) ip_reassemble(mp, ipf, offset, more_frags, ill,
ret = ip_reassemble(mp, ipf, offset, more_frags, ill, msg_len);