ip_cmpbuf
extern boolean_t ip_cmpbuf(const void *, uint_t, boolean_t, const void *,
ip_cmpbuf(sctp->sctp_hopopts, sctp->sctp_hopoptslen,
ip_cmpbuf(sctp->sctp_rthdrdstopts, sctp->sctp_rthdrdstoptslen,
ip_cmpbuf(sctp->sctp_rthdr, sctp->sctp_rthdrlen,
ip_cmpbuf(sctp->sctp_dstopts, sctp->sctp_dstoptslen,
ip_cmpbuf(tcp->tcp_hopopts, tcp->tcp_hopoptslen,
ip_cmpbuf(tcp->tcp_rthdrdstopts, tcp->tcp_rthdrdstoptslen,
ip_cmpbuf(tcp->tcp_rthdr, tcp->tcp_rthdrlen,
ip_cmpbuf(tcp->tcp_dstopts, tcp->tcp_dstoptslen,