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 1.6 2005/08/04 17:31:23 drhodus Exp $
37 * @(#)inet6.c 8.4 (Berkeley) 4/20/94
41 #include <sys/param.h>
42 #include <sys/socket.h>
43 #include <sys/socketvar.h>
44 #include <sys/ioctl.h>
46 #include <sys/protosw.h>
47 #include <sys/sysctl.h>
49 #include <net/route.h>
51 #include <net/if_var.h>
52 #include <netinet/in.h>
53 #include <netinet/ip6.h>
54 #include <netinet/icmp6.h>
55 #include <netinet/in_systm.h>
56 #include <netinet6/in6_pcb.h>
57 #include <netinet6/in6_var.h>
58 #include <netinet6/ip6_var.h>
59 #include <netinet6/pim6_var.h>
60 #include <netinet6/raw_ip6.h>
62 #include <arpa/inet.h>
73 char *inet6name (struct in6_addr *);
74 void inet6print (struct in6_addr *, int, char *, int);
76 static char ntop_buf[INET6_ADDRSTRLEN];
78 static char *ip6nh[] = {
139 "destination option",
338 * Dump IP6 statistics structure.
341 ip6_stats(u_long off __unused, char *name, int af __unused)
343 struct ip6stat ip6stat;
350 mib[2] = IPPROTO_IPV6;
351 mib[3] = IPV6CTL_STATS;
353 len = sizeof ip6stat;
354 memset(&ip6stat, 0, len);
355 if (sysctl(mib, 4, &ip6stat, &len, (void *)0, 0) < 0)
357 printf("%s:\n", name);
359 #define p(f, m) if (ip6stat.f || sflag <= 1) \
360 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f))
361 #define p1a(f, m) if (ip6stat.f || sflag <= 1) \
362 printf(m, (unsigned long long)ip6stat.f)
364 p(ip6s_total, "\t%llu total packet%s received\n");
365 p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n");
366 p1a(ip6s_tooshort, "\t%llu with data size < data length\n");
367 p1a(ip6s_badoptions, "\t%llu with bad options\n");
368 p1a(ip6s_badvers, "\t%llu with incorrect version number\n");
369 p(ip6s_fragments, "\t%llu fragment%s received\n");
370 p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n");
371 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n");
372 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n");
373 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n");
374 p(ip6s_delivered, "\t%llu packet%s for this host\n");
375 p(ip6s_forward, "\t%llu packet%s forwarded\n");
376 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n");
377 p(ip6s_redirectsent, "\t%llu redirect%s sent\n");
378 p(ip6s_localout, "\t%llu packet%s sent from this host\n");
379 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n");
380 p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n");
381 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n");
382 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n");
383 p(ip6s_ofragments, "\t%llu fragment%s created\n");
384 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n");
385 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n");
386 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n");
387 for (first = 1, i = 0; i < 256; i++)
388 if (ip6stat.ip6s_nxthist[i] != 0) {
390 printf("\tInput histogram:\n");
393 printf("\t\t%s: %llu\n", ip6nh[i],
394 (unsigned long long)ip6stat.ip6s_nxthist[i]);
396 printf("\tMbuf statistics:\n");
397 printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat.ip6s_m1);
398 for (first = 1, i = 0; i < 32; i++) {
399 char ifbuf[IFNAMSIZ];
400 if (ip6stat.ip6s_m2m[i] != 0) {
402 printf("\t\ttwo or more mbuf:\n");
405 printf("\t\t\t%s= %llu\n",
406 if_indextoname(i, ifbuf),
407 (unsigned long long)ip6stat.ip6s_m2m[i]);
410 printf("\t\t%llu one ext mbuf\n",
411 (unsigned long long)ip6stat.ip6s_mext1);
412 printf("\t\t%llu two or more ext mbuf\n",
413 (unsigned long long)ip6stat.ip6s_mext2m);
414 p(ip6s_exthdrtoolong,
415 "\t%llu packet%s whose headers are not continuous\n");
416 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n");
418 "\t%llu packet%s discarded due to too may headers\n");
420 /* for debugging source address selection */
421 #define PRINT_SCOPESTAT(s,i) do {\
422 switch(i) { /* XXX hardcoding in each case */\
424 p(s, "\t\t%llu node-local%s\n");\
427 p(s,"\t\t%llu link-local%s\n");\
430 p(s,"\t\t%llu site-local%s\n");\
433 p(s,"\t\t%llu global%s\n");\
436 printf("\t\t%llu addresses scope=%x\n",\
437 (unsigned long long)ip6stat.s, i);\
442 "\t%llu failure%s of source address selection\n");
443 for (first = 1, i = 0; i < 16; i++) {
444 if (ip6stat.ip6s_sources_sameif[i]) {
446 printf("\tsource addresses on an outgoing I/F\n");
449 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
452 for (first = 1, i = 0; i < 16; i++) {
453 if (ip6stat.ip6s_sources_otherif[i]) {
455 printf("\tsource addresses on a non-outgoing I/F\n");
458 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
461 for (first = 1, i = 0; i < 16; i++) {
462 if (ip6stat.ip6s_sources_samescope[i]) {
464 printf("\tsource addresses of same scope\n");
467 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
470 for (first = 1, i = 0; i < 16; i++) {
471 if (ip6stat.ip6s_sources_otherscope[i]) {
473 printf("\tsource addresses of a different scope\n");
476 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
479 for (first = 1, i = 0; i < 16; i++) {
480 if (ip6stat.ip6s_sources_deprecated[i]) {
482 printf("\tdeprecated source addresses\n");
485 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
489 p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n");
490 p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n");
496 * Dump IPv6 per-interface statistics based on RFC 2465.
499 ip6_ifstats(char *ifname)
501 struct in6_ifreq ifr;
503 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
504 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f))
505 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
506 printf(m, (unsigned long long)ip6stat.f)
508 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
509 perror("Warning: socket(AF_INET6)");
513 strcpy(ifr.ifr_name, ifname);
514 printf("ip6 on %s:\n", ifr.ifr_name);
516 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
517 perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
521 p(ifs6_in_receive, "\t%llu total input datagram%s\n");
522 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n");
523 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n");
524 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n");
525 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n");
526 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n");
527 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n");
528 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n");
530 "\t%llu datagram%s delivered to an upper layer protocol\n");
531 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n");
533 "\t%llu datagram%s sent from an upper layer protocol\n");
534 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n");
535 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n");
536 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n");
537 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n");
538 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n");
539 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n");
540 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n");
541 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n");
542 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n");
551 static char *icmp6names[] = {
682 "multicast listener query",
683 "multicast listener report",
684 "multicast listener done",
685 "router solicitation",
686 "router advertisement",
687 "neighbor solicitation",
688 "neighbor advertisement",
690 "router renumbering",
691 "node information request",
692 "node information reply",
693 "inverse neighbor solicitation",
694 "inverse neighbor advertisement",
811 * Dump ICMP6 statistics.
814 icmp6_stats(u_long off __unused, char *name, int af __unused)
816 struct icmp6stat icmp6stat;
823 mib[2] = IPPROTO_ICMPV6;
824 mib[3] = ICMPV6CTL_STATS;
826 len = sizeof icmp6stat;
827 memset(&icmp6stat, 0, len);
828 if (sysctl(mib, 4, &icmp6stat, &len, (void *)0, 0) < 0)
830 printf("%s:\n", name);
832 #define p(f, m) if (icmp6stat.f || sflag <= 1) \
833 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f))
834 #define p_5(f, m) printf(m, (unsigned long long)icmp6stat.f)
836 p(icp6s_error, "\t%llu call%s to icmp_error\n");
838 "\t%llu error%s not generated because old message was icmp error or so\n");
840 "\t%llu error%s not generated because rate limitation\n");
841 #define NELEM (sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0]))
842 for (first = 1, i = 0; i < NELEM; 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]);
852 p(icp6s_badcode, "\t%llu message%s with bad code fields\n");
853 p(icp6s_tooshort, "\t%llu message%s < minimum length\n");
854 p(icp6s_checksum, "\t%llu bad checksum%s\n");
855 p(icp6s_badlen, "\t%llu message%s with bad length\n");
856 #define NELEM (sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0]))
857 for (first = 1, i = 0; i < NELEM; i++)
858 if (icmp6stat.icp6s_inhist[i] != 0) {
860 printf("\tInput histogram:\n");
863 printf("\t\t%s: %llu\n", icmp6names[i],
864 (unsigned long long)icmp6stat.icp6s_inhist[i]);
867 printf("\tHistogram of error messages to be generated:\n");
868 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n");
869 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n");
870 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n");
871 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n");
872 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n");
873 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n");
874 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n");
875 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n");
876 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n");
877 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n");
878 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n");
879 p_5(icp6s_oredirect, "\t\t%llu redirect\n");
880 p_5(icp6s_ounknown, "\t\t%llu unknown\n");
882 p(icp6s_reflect, "\t%llu message response%s generated\n");
883 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n");
884 p(icp6s_nd_badopt, "\t%qu message%s with bad ND options\n");
885 p(icp6s_badns, "\t%qu bad neighbor solicitation message%s\n");
886 p(icp6s_badna, "\t%qu bad neighbor advertisement message%s\n");
887 p(icp6s_badrs, "\t%qu bad router solicitation message%s\n");
888 p(icp6s_badra, "\t%qu bad router advertisement message%s\n");
889 p(icp6s_badredirect, "\t%qu bad redirect message%s\n");
890 p(icp6s_pmtuchg, "\t%llu path MTU change%s\n");
896 * Dump ICMPv6 per-interface statistics based on RFC 2466.
899 icmp6_ifstats(char *ifname)
901 struct in6_ifreq ifr;
903 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
904 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f))
906 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
907 perror("Warning: socket(AF_INET6)");
911 strcpy(ifr.ifr_name, ifname);
912 printf("icmp6 on %s:\n", ifr.ifr_name);
914 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
915 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
919 p(ifs6_in_msg, "\t%llu total input message%s\n");
920 p(ifs6_in_error, "\t%llu total input error message%s\n");
921 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n");
922 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n");
923 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n");
924 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n");
925 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n");
926 p(ifs6_in_echo, "\t%llu input echo request%s\n");
927 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n");
928 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n");
929 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n");
930 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n");
931 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n");
932 p(ifs6_in_redirect, "\t%llu input redirect%s\n");
933 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n");
934 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n");
935 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n");
937 p(ifs6_out_msg, "\t%llu total output message%s\n");
938 p(ifs6_out_error, "\t%llu total output error message%s\n");
939 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n");
940 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n");
941 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n");
942 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n");
943 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n");
944 p(ifs6_out_echo, "\t%llu output echo request%s\n");
945 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n");
946 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n");
947 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n");
948 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n");
949 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n");
950 p(ifs6_out_redirect, "\t%llu output redirect%s\n");
951 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n");
952 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n");
953 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n");
961 * Dump PIM statistics structure.
964 pim6_stats(u_long off __unused, char *name, int af __unused)
966 struct pim6stat pim6stat;
970 kread(off, (char *)&pim6stat, sizeof(pim6stat));
971 printf("%s:\n", name);
973 #define p(f, m) if (pim6stat.f || sflag <= 1) \
974 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f))
975 p(pim6s_rcv_total, "\t%llu message%s received\n");
976 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n");
977 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n");
978 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n");
979 p(pim6s_rcv_registers, "\t%llu register%s received\n");
980 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n");
981 p(pim6s_snd_registers, "\t%llu register%s sent\n");
986 * Dump raw ip6 statistics structure.
989 rip6_stats(u_long off __unused, char *name, int af __unused)
991 struct rip6stat rip6stat;
998 mib[2] = IPPROTO_IPV6;
999 mib[3] = IPV6CTL_RIP6STATS;
1000 l = sizeof(rip6stat);
1001 if (sysctl(mib, 4, &rip6stat, &l, NULL, 0) < 0) {
1002 if (errno != ENOENT)
1003 perror("Warning: sysctl(net.inet6.ip6.rip6stats)");
1007 printf("%s:\n", name);
1009 #define p(f, m) if (rip6stat.f || sflag <= 1) \
1010 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f))
1011 p(rip6s_ipackets, "\t%llu message%s received\n");
1012 p(rip6s_isum, "\t%llu checksum calcuration%s on inbound\n");
1013 p(rip6s_badsum, "\t%llu message%s with bad checksum\n");
1014 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n");
1015 p(rip6s_nosockmcast,
1016 "\t%llu multicast message%s dropped due to no socket\n");
1018 "\t%llu message%s dropped due to full socket buffers\n");
1019 delivered = rip6stat.rip6s_ipackets -
1020 rip6stat.rip6s_badsum -
1021 rip6stat.rip6s_nosock -
1022 rip6stat.rip6s_nosockmcast -
1023 rip6stat.rip6s_fullsock;
1024 if (delivered || sflag <= 1)
1025 printf("\t%llu delivered\n", (unsigned long long)delivered);
1026 p(rip6s_opackets, "\t%llu datagram%s output\n");
1031 * Pretty print an Internet address (net address + port).
1032 * Take numeric_addr and numeric_port into consideration.
1034 #define GETSERVBYPORT6(port, proto, ret)\
1036 if (strcmp((proto), "tcp6") == 0)\
1037 (ret) = getservbyport((int)(port), "tcp");\
1038 else if (strcmp((proto), "udp6") == 0)\
1039 (ret) = getservbyport((int)(port), "udp");\
1041 (ret) = getservbyport((int)(port), (proto));\
1045 inet6print(struct in6_addr *in6, int port, char *proto, int numeric)
1047 struct servent *sp = 0;
1051 sprintf(line, "%.*s.", Wflag ? 39 :
1052 (Aflag && !numeric) ? 12 : 16, inet6name(in6));
1053 cp = strchr(line, '\0');
1054 if (!numeric && port)
1055 GETSERVBYPORT6(port, proto, sp);
1056 if (sp || port == 0)
1057 sprintf(cp, "%.8s", sp ? sp->s_name : "*");
1059 sprintf(cp, "%d", ntohs((u_short)port));
1060 width = Wflag ? 45 : Aflag ? 17 : 21;
1061 printf("%-*.*s ", width, width, line);
1065 * Construct an Internet address representation.
1066 * If the numeric_addr has been supplied, give
1067 * numeric value, otherwise try for symbolic name.
1071 inet6name(struct in6_addr *in6p)
1074 static char line[50];
1076 static char domain[MAXHOSTNAMELEN];
1077 static int first = 1;
1079 if (first && !numeric_addr) {
1081 if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1082 (cp = strchr(domain, '.')))
1083 (void) strcpy(domain, cp + 1);
1088 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) {
1089 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6);
1091 if ((cp = strchr(hp->h_name, '.')) &&
1092 !strcmp(cp + 1, domain))
1097 if (IN6_IS_ADDR_UNSPECIFIED(in6p))
1103 inet_ntop(AF_INET6, (void *)in6p, ntop_buf,