ip_savebuf
extern void ip_savebuf(void **, uint_t *, boolean_t, const void *, uint_t);
ip_savebuf((void **)&sctp->sctp_hopopts,
ip_savebuf((void **)&sctp->sctp_rthdrdstopts,
ip_savebuf((void **)&sctp->sctp_rthdr,
ip_savebuf((void **)&sctp->sctp_dstopts,
ip_savebuf((void **)&tcp->tcp_hopopts, &tcp->tcp_hopoptslen,
ip_savebuf((void **)&tcp->tcp_rthdrdstopts,
ip_savebuf((void **)&tcp->tcp_rthdr, &tcp->tcp_rthdrlen,
ip_savebuf((void **)&tcp->tcp_dstopts, &tcp->tcp_dstoptslen,