1 /* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */
3 * Copyright (c) 1983, 1988, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $FreeBSD: src/usr.bin/netstat/inet6.c,v 1.3.2.11 2001/09/17 14:53:17 ru Exp $
35 * $DragonFly: src/usr.bin/netstat/inet6.c,v 1.7 2006/05/21 03:43:47 dillon Exp $
37 * @(#)inet6.c 8.4 (Berkeley) 4/20/94
41 #define _KERNEL_STRUCTURES
42 #include <sys/param.h>
43 #include <sys/socket.h>
44 #include <sys/socketvar.h>
45 #include <sys/ioctl.h>
47 #include <sys/protosw.h>
48 #include <sys/sysctl.h>
50 #include <net/route.h>
52 #include <net/if_var.h>
53 #include <netinet/in.h>
54 #include <netinet/ip6.h>
55 #include <netinet/icmp6.h>
56 #include <netinet/in_systm.h>
57 #include <netinet6/in6_pcb.h>
58 #include <netinet6/in6_var.h>
59 #include <netinet6/ip6_var.h>
60 #include <netinet6/pim6_var.h>
61 #include <netinet6/raw_ip6.h>
63 #include <arpa/inet.h>
74 char *inet6name (struct in6_addr *);
75 void inet6print (struct in6_addr *, int, char *, int);
77 static char ntop_buf[INET6_ADDRSTRLEN];
79 static const char *ip6nh[] = {
140 "destination option",
339 * Dump IP6 statistics structure.
342 ip6_stats(u_long off __unused, const char *name, int af1 __unused)
344 struct ip6stat ip6stat;
351 mib[2] = IPPROTO_IPV6;
352 mib[3] = IPV6CTL_STATS;
354 len = sizeof ip6stat;
355 memset(&ip6stat, 0, len);
356 if (sysctl(mib, 4, &ip6stat, &len, NULL, 0) < 0)
358 printf("%s:\n", name);
360 #define p(f, m) if (ip6stat.f || sflag <= 1) \
361 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f))
362 #define p1a(f, m) if (ip6stat.f || sflag <= 1) \
363 printf(m, (unsigned long long)ip6stat.f)
365 p(ip6s_total, "\t%llu total packet%s received\n");
366 p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n");
367 p1a(ip6s_tooshort, "\t%llu with data size < data length\n");
368 p1a(ip6s_badoptions, "\t%llu with bad options\n");
369 p1a(ip6s_badvers, "\t%llu with incorrect version number\n");
370 p(ip6s_fragments, "\t%llu fragment%s received\n");
371 p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n");
372 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n");
373 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n");
374 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n");
375 p(ip6s_delivered, "\t%llu packet%s for this host\n");
376 p(ip6s_forward, "\t%llu packet%s forwarded\n");
377 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n");
378 p(ip6s_redirectsent, "\t%llu redirect%s sent\n");
379 p(ip6s_localout, "\t%llu packet%s sent from this host\n");
380 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n");
381 p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n");
382 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n");
383 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n");
384 p(ip6s_ofragments, "\t%llu fragment%s created\n");
385 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n");
386 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n");
387 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n");
388 for (first = 1, i = 0; i < 256; i++)
389 if (ip6stat.ip6s_nxthist[i] != 0) {
391 printf("\tInput histogram:\n");
394 printf("\t\t%s: %llu\n", ip6nh[i],
395 (unsigned long long)ip6stat.ip6s_nxthist[i]);
397 printf("\tMbuf statistics:\n");
398 printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat.ip6s_m1);
399 for (first = 1, i = 0; i < 32; i++) {
400 char ifbuf[IFNAMSIZ];
401 if (ip6stat.ip6s_m2m[i] != 0) {
403 printf("\t\ttwo or more mbuf:\n");
406 printf("\t\t\t%s= %llu\n",
407 if_indextoname(i, ifbuf),
408 (unsigned long long)ip6stat.ip6s_m2m[i]);
411 printf("\t\t%llu one ext mbuf\n",
412 (unsigned long long)ip6stat.ip6s_mext1);
413 printf("\t\t%llu two or more ext mbuf\n",
414 (unsigned long long)ip6stat.ip6s_mext2m);
415 p(ip6s_exthdrtoolong,
416 "\t%llu packet%s whose headers are not continuous\n");
417 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n");
419 "\t%llu packet%s discarded due to too may headers\n");
421 /* for debugging source address selection */
422 #define PRINT_SCOPESTAT(s,i) do {\
423 switch(i) { /* XXX hardcoding in each case */\
425 p(s, "\t\t%llu node-local%s\n");\
428 p(s,"\t\t%llu link-local%s\n");\
431 p(s,"\t\t%llu site-local%s\n");\
434 p(s,"\t\t%llu global%s\n");\
437 printf("\t\t%llu addresses scope=%x\n",\
438 (unsigned long long)ip6stat.s, i);\
443 "\t%llu failure%s of source address selection\n");
444 for (first = 1, i = 0; i < 16; i++) {
445 if (ip6stat.ip6s_sources_sameif[i]) {
447 printf("\tsource addresses on an outgoing I/F\n");
450 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
453 for (first = 1, i = 0; i < 16; i++) {
454 if (ip6stat.ip6s_sources_otherif[i]) {
456 printf("\tsource addresses on a non-outgoing I/F\n");
459 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
462 for (first = 1, i = 0; i < 16; i++) {
463 if (ip6stat.ip6s_sources_samescope[i]) {
465 printf("\tsource addresses of same scope\n");
468 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
471 for (first = 1, i = 0; i < 16; i++) {
472 if (ip6stat.ip6s_sources_otherscope[i]) {
474 printf("\tsource addresses of a different scope\n");
477 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
480 for (first = 1, i = 0; i < 16; i++) {
481 if (ip6stat.ip6s_sources_deprecated[i]) {
483 printf("\tdeprecated source addresses\n");
486 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
490 p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n");
491 p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n");
497 * Dump IPv6 per-interface statistics based on RFC 2465.
500 ip6_ifstats(char *ifname)
502 struct in6_ifreq ifr;
504 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
505 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f))
506 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
507 printf(m, (unsigned long long)ip6stat.f)
509 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
510 perror("Warning: socket(AF_INET6)");
514 strcpy(ifr.ifr_name, ifname);
515 printf("ip6 on %s:\n", ifr.ifr_name);
517 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
518 perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
522 p(ifs6_in_receive, "\t%llu total input datagram%s\n");
523 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n");
524 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n");
525 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n");
526 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n");
527 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n");
528 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n");
529 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n");
531 "\t%llu datagram%s delivered to an upper layer protocol\n");
532 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n");
534 "\t%llu datagram%s sent from an upper layer protocol\n");
535 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n");
536 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n");
537 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n");
538 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n");
539 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n");
540 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n");
541 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n");
542 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n");
543 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n");
552 static const char *icmp6names[] = {
683 "multicast listener query",
684 "multicast listener report",
685 "multicast listener done",
686 "router solicitation",
687 "router advertisement",
688 "neighbor solicitation",
689 "neighbor advertisement",
691 "router renumbering",
692 "node information request",
693 "node information reply",
694 "inverse neighbor solicitation",
695 "inverse neighbor advertisement",
812 * Dump ICMP6 statistics.
815 icmp6_stats(u_long off __unused, const char *name, int af1 __unused)
817 struct icmp6stat icmp6stat;
824 mib[2] = IPPROTO_ICMPV6;
825 mib[3] = ICMPV6CTL_STATS;
827 len = sizeof icmp6stat;
828 memset(&icmp6stat, 0, len);
829 if (sysctl(mib, 4, &icmp6stat, &len, NULL, 0) < 0)
831 printf("%s:\n", name);
833 #define p(f, m) if (icmp6stat.f || sflag <= 1) \
834 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f))
835 #define p_5(f, m) printf(m, (unsigned long long)icmp6stat.f)
837 p(icp6s_error, "\t%llu call%s to icmp_error\n");
839 "\t%llu error%s not generated because old message was icmp error or so\n");
841 "\t%llu error%s not generated because rate limitation\n");
842 for (first = 1, i = 0; i < NELEM(icmp6stat.icp6s_outhist); i++)
843 if (icmp6stat.icp6s_outhist[i] != 0) {
845 printf("\tOutput histogram:\n");
848 printf("\t\t%s: %llu\n", icmp6names[i],
849 (unsigned long long)icmp6stat.icp6s_outhist[i]);
851 p(icp6s_badcode, "\t%llu message%s with bad code fields\n");
852 p(icp6s_tooshort, "\t%llu message%s < minimum length\n");
853 p(icp6s_checksum, "\t%llu bad checksum%s\n");
854 p(icp6s_badlen, "\t%llu message%s with bad length\n");
855 for (first = 1, i = 0; i < NELEM(icmp6stat.icp6s_inhist); i++)
856 if (icmp6stat.icp6s_inhist[i] != 0) {
858 printf("\tInput histogram:\n");
861 printf("\t\t%s: %llu\n", icmp6names[i],
862 (unsigned long long)icmp6stat.icp6s_inhist[i]);
864 printf("\tHistogram of error messages to be generated:\n");
865 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n");
866 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n");
867 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n");
868 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n");
869 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n");
870 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n");
871 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n");
872 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n");
873 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n");
874 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n");
875 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n");
876 p_5(icp6s_oredirect, "\t\t%llu redirect\n");
877 p_5(icp6s_ounknown, "\t\t%llu unknown\n");
879 p(icp6s_reflect, "\t%llu message response%s generated\n");
880 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n");
881 p(icp6s_nd_badopt, "\t%qu message%s with bad ND options\n");
882 p(icp6s_badns, "\t%qu bad neighbor solicitation message%s\n");
883 p(icp6s_badna, "\t%qu bad neighbor advertisement message%s\n");
884 p(icp6s_badrs, "\t%qu bad router solicitation message%s\n");
885 p(icp6s_badra, "\t%qu bad router advertisement message%s\n");
886 p(icp6s_badredirect, "\t%qu bad redirect message%s\n");
887 p(icp6s_pmtuchg, "\t%llu path MTU change%s\n");
893 * Dump ICMPv6 per-interface statistics based on RFC 2466.
896 icmp6_ifstats(char *ifname)
898 struct in6_ifreq ifr;
900 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
901 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f))
903 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
904 perror("Warning: socket(AF_INET6)");
908 strcpy(ifr.ifr_name, ifname);
909 printf("icmp6 on %s:\n", ifr.ifr_name);
911 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
912 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
916 p(ifs6_in_msg, "\t%llu total input message%s\n");
917 p(ifs6_in_error, "\t%llu total input error message%s\n");
918 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n");
919 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n");
920 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n");
921 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n");
922 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n");
923 p(ifs6_in_echo, "\t%llu input echo request%s\n");
924 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n");
925 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n");
926 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n");
927 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n");
928 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n");
929 p(ifs6_in_redirect, "\t%llu input redirect%s\n");
930 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n");
931 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n");
932 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n");
934 p(ifs6_out_msg, "\t%llu total output message%s\n");
935 p(ifs6_out_error, "\t%llu total output error message%s\n");
936 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n");
937 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n");
938 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n");
939 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n");
940 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n");
941 p(ifs6_out_echo, "\t%llu output echo request%s\n");
942 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n");
943 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n");
944 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n");
945 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n");
946 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n");
947 p(ifs6_out_redirect, "\t%llu output redirect%s\n");
948 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n");
949 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n");
950 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n");
958 * Dump PIM statistics structure.
961 pim6_stats(u_long off __unused, const char *name, int af1 __unused)
963 struct pim6stat pim6stat;
967 kread(off, (char *)&pim6stat, sizeof(pim6stat));
968 printf("%s:\n", name);
970 #define p(f, m) if (pim6stat.f || sflag <= 1) \
971 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f))
972 p(pim6s_rcv_total, "\t%llu message%s received\n");
973 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n");
974 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n");
975 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n");
976 p(pim6s_rcv_registers, "\t%llu register%s received\n");
977 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n");
978 p(pim6s_snd_registers, "\t%llu register%s sent\n");
983 * Dump raw ip6 statistics structure.
986 rip6_stats(u_long off __unused, const char *name, int af1 __unused)
988 struct rip6stat rip6stat;
995 mib[2] = IPPROTO_IPV6;
996 mib[3] = IPV6CTL_RIP6STATS;
997 l = sizeof(rip6stat);
998 if (sysctl(mib, 4, &rip6stat, &l, NULL, 0) < 0) {
1000 perror("Warning: sysctl(net.inet6.ip6.rip6stats)");
1004 printf("%s:\n", name);
1006 #define p(f, m) if (rip6stat.f || sflag <= 1) \
1007 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f))
1008 p(rip6s_ipackets, "\t%llu message%s received\n");
1009 p(rip6s_isum, "\t%llu checksum calcuration%s on inbound\n");
1010 p(rip6s_badsum, "\t%llu message%s with bad checksum\n");
1011 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n");
1012 p(rip6s_nosockmcast,
1013 "\t%llu multicast message%s dropped due to no socket\n");
1015 "\t%llu message%s dropped due to full socket buffers\n");
1016 delivered = rip6stat.rip6s_ipackets -
1017 rip6stat.rip6s_badsum -
1018 rip6stat.rip6s_nosock -
1019 rip6stat.rip6s_nosockmcast -
1020 rip6stat.rip6s_fullsock;
1021 if (delivered || sflag <= 1)
1022 printf("\t%llu delivered\n", (unsigned long long)delivered);
1023 p(rip6s_opackets, "\t%llu datagram%s output\n");
1028 * Pretty print an Internet address (net address + port).
1029 * Take numeric_addr and numeric_port into consideration.
1031 #define GETSERVBYPORT6(port, proto, ret)\
1033 if (strcmp((proto), "tcp6") == 0)\
1034 (ret) = getservbyport((int)(port), "tcp");\
1035 else if (strcmp((proto), "udp6") == 0)\
1036 (ret) = getservbyport((int)(port), "udp");\
1038 (ret) = getservbyport((int)(port), (proto));\
1042 inet6print(struct in6_addr *in6, int port, char *proto, int numeric)
1044 struct servent *sp = 0;
1048 sprintf(line, "%.*s.", Wflag ? 39 :
1049 (Aflag && !numeric) ? 12 : 16, inet6name(in6));
1050 cp = strchr(line, '\0');
1051 if (!numeric && port)
1052 GETSERVBYPORT6(port, proto, sp);
1053 if (sp || port == 0)
1054 sprintf(cp, "%.8s", sp ? sp->s_name : "*");
1056 sprintf(cp, "%d", ntohs((u_short)port));
1057 width = Wflag ? 45 : Aflag ? 17 : 21;
1058 printf("%-*.*s ", width, width, line);
1062 * Construct an Internet address representation.
1063 * If the numeric_addr has been supplied, give
1064 * numeric value, otherwise try for symbolic name.
1068 inet6name(struct in6_addr *in6p)
1071 static char line[50];
1073 static char domain[MAXHOSTNAMELEN];
1074 static int first = 1;
1076 if (first && !numeric_addr) {
1078 if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1079 (cp = strchr(domain, '.')))
1080 (void) strcpy(domain, cp + 1);
1085 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) {
1086 hp = gethostbyaddr(in6p, sizeof(*in6p), AF_INET6);
1088 if ((cp = strchr(hp->h_name, '.')) &&
1089 !strcmp(cp + 1, domain))
1094 if (IN6_IS_ADDR_UNSPECIFIED(in6p))
1100 inet_ntop(AF_INET6, (void *)in6p, ntop_buf,