2003-05-28 Jeff Johnston <jjohnstn@redhat.com>

	    Tom Fitzsimmons  <fitzsim@redhat.com>

	* configure.in: Add iconvdata support for x86 linux.
	* configure: Regenerated.
	* libc/sys/linux/Makefile.am: Add EL/IX level 3 network, dynamic
	library, iconv, and linuxthreads support.
	* libc/sys/linux/configure.in: Ditto.
	* libc/sys/linux/Makefile.in: Regenerated.
	* libc/sys/linux/configure: Ditto.
	* iconvdata/EUC-JP.irreversible: New file.
	* iconvdata/Makefile.am: Ditto.
	* iconvdata/Makefile.in: Ditto.
	* iconvdata/SJIS.irreversible: Ditto.
	* iconvdata/aclocal.m4: Ditto.
	* iconvdata/configure: Ditto.
	* iconvdata/configure.in: Ditto.
	* iconvdata/dummy.c: Ditto.
	* iconvdata/euc-jp.c: Ditto.
	* iconvdata/gconv-modules: Ditto.
	* iconvdata/jis0201.c: Ditto.
	* iconvdata/jis0201.h: Ditto.
	* iconvdata/jis0208.c: Ditto.
	* iconvdata/jis0208.h: Ditto.
	* iconvdata/jis0212.c: Ditto.
	* iconvdata/jis0212.h: Ditto.
	* iconvdata/sjis.c: Ditto.
	* libc/include/errno.h: Protect definition of error_t.
	* libc/sys/linux/gethostid.c: New file.
	* libc/sys/linux/sethostid.c: Ditto.
	* libc/sys/linux/dl/Makefile.am: Ditto.
	* libc/sys/linux/dl/Makefile.in: Ditto.
	* libc/sys/linux/dl/abi-tag.h: Ditto.
	* libc/sys/linux/dl/atomicity.h: Ditto.
	* libc/sys/linux/dl/dl-addr.c: Ditto.
	* libc/sys/linux/dl/dl-cache.c: Ditto.
	* libc/sys/linux/dl/dl-cache.h: Ditto.
	* libc/sys/linux/dl/dl-close.c: Ditto.
	* libc/sys/linux/dl/dl-debug.c: Ditto.
	* libc/sys/linux/dl/dl-deps.c: Ditto.
	* libc/sys/linux/dl/dl-dst.h: Ditto.
	* libc/sys/linux/dl/dl-error.c: Ditto.
	* libc/sys/linux/dl/dl-fini.c: Ditto.
	* libc/sys/linux/dl/dl-init.c: Ditto.
	* libc/sys/linux/dl/dl-iteratephdr.c: Ditto.
	* libc/sys/linux/dl/dl-libc.c: Ditto.
	* libc/sys/linux/dl/dl-librecon.h: Ditto.
	* libc/sys/linux/dl/dl-load.c: Ditto.
	* libc/sys/linux/dl/dl-lookup.c: Ditto.
	* libc/sys/linux/dl/dl-lookupcfg.h: Ditto.
	* libc/sys/linux/dl/dl-minimal.c: Ditto.
	* libc/sys/linux/dl/dl-misc.c: Ditto.
	* libc/sys/linux/dl/dl-object.c: Ditto.
	* libc/sys/linux/dl/dl-open.c: Ditto.
	* libc/sys/linux/dl/dl-osinfo.h: Ditto.
	* libc/sys/linux/dl/dl-profile.c: Ditto.
	* libc/sys/linux/dl/dl-profstub.c: Ditto.
	* libc/sys/linux/dl/dl-reloc.c: Ditto.
	* libc/sys/linux/dl/dl-runtime.c: Ditto.
	* libc/sys/linux/dl/dl-support.c: Ditto.
	* libc/sys/linux/dl/dl-sym.c: Ditto.
	* libc/sys/linux/dl/dl-version.c: Ditto.
	* libc/sys/linux/dl/dlfcn.h: Ditto.
	* libc/sys/linux/dl/do-lookup.h: Ditto.
	* libc/sys/linux/dl/do-rel.h: Ditto.
	* libc/sys/linux/dl/dynamic-link.h: Ditto.
	* libc/sys/linux/dl/kernel-features.h: Ditto.
	* libc/sys/linux/dl/ldsodefs.h: Ditto.
	* libc/sys/linux/dl/libintl.h: Ditto.
	* libc/sys/linux/dl/trusted-dirs.h: Ditto.
	* libc/sys/linux/dl/unsecvars.h: Ditto.
	* libc/sys/linux/iconv/Makefile.am: Ditto.
	* libc/sys/linux/iconv/Makefile.in: Ditto.
	* libc/sys/linux/iconv/categories.def: Ditto.
	* libc/sys/linux/iconv/dummy-repertoire.c: Ditto.
	* libc/sys/linux/iconv/gconv.c: Ditto.
	* libc/sys/linux/iconv/gconv_builtin.c: Ditto.
	* libc/sys/linux/iconv/gconv_builtin.h: Ditto.
	* libc/sys/linux/iconv/gconv_cache.c: Ditto.
	* libc/sys/linux/iconv/gconv_charset.h: Ditto.
	* libc/sys/linux/iconv/gconv_close.c: Ditto.
	* libc/sys/linux/iconv/gconv_conf.c: Ditto.
	* libc/sys/linux/iconv/gconv_db.c: Ditto.
	* libc/sys/linux/iconv/gconv_dl.c: Ditto.
	* libc/sys/linux/iconv/gconv_int.h: Ditto.
	* libc/sys/linux/iconv/gconv_open.c: Ditto.
	* libc/sys/linux/iconv/gconv_simple.c: Ditto.
	* libc/sys/linux/iconv/gconv_trans.c: Ditto.
	* libc/sys/linux/iconv/hash-string.h: Ditto.
	* libc/sys/linux/iconv/iconv.c: Ditto.
	* libc/sys/linux/iconv/iconv.h: Ditto.
	* libc/sys/linux/iconv/iconv_charmap.c: Ditto.
	* libc/sys/linux/iconv/iconv_close.c: Ditto.
	* libc/sys/linux/iconv/iconv_open.c: Ditto.
	* libc/sys/linux/iconv/iconvconfig.c: Ditto.
	* libc/sys/linux/iconv/iconvconfig.h: Ditto.
	* libc/sys/linux/iconv/loadinfo.h: Ditto.
	* libc/sys/linux/iconv/localeinfo.h: Ditto.
	* libc/sys/linux/iconv/loop.c: Ditto.
	* libc/sys/linux/iconv/skeleton.c: Ditto.
	* libc/sys/linux/iconv/strtab.c: Ditto.
	* libc/sys/linux/include/dl-hash.h: Ditto.
	* libc/sys/linux/include/dlfcn.h: Ditto.
	* libc/sys/linux/include/fnmatch.h: Ditto.
	* libc/sys/linux/include/gconv.h: Ditto.
	* libc/sys/linux/include/glob.h: Ditto.
	* libc/sys/linux/include/hesiod.h: Ditto.
	* libc/sys/linux/include/ifaddrs.h: Ditto.
	* libc/sys/linux/include/libc_private.h: Ditto.
	* libc/sys/linux/include/link.h: Ditto.
	* libc/sys/linux/include/namespace.h: Ditto.
	* libc/sys/linux/include/netconfig.h: Ditto.
	* libc/sys/linux/include/netdb.h: Ditto.
	* libc/sys/linux/include/nsswitch.h: Ditto.
	* libc/sys/linux/include/regex.h: Ditto.
	* libc/sys/linux/include/resolv.h: Ditto.
	* libc/sys/linux/include/rune.h: Ditto.
	* libc/sys/linux/include/runetype.h: Ditto.
	* libc/sys/linux/include/semaphore.h: Ditto.
	* libc/sys/linux/include/setlocale.h: Ditto.
	* libc/sys/linux/include/un-namespace.h: Ditto.
	* libc/sys/linux/include/wordexp.h: Ditto.
	* libc/sys/linux/include/arpa/ftp.h: Ditto.
	* libc/sys/linux/include/arpa/inet.h: Ditto.
	* libc/sys/linux/include/arpa/nameser.h: Ditto.
	* libc/sys/linux/include/arpa/nameser_compat.h: Ditto.
	* libc/sys/linux/include/arpa/telnet.h: Ditto.
	* libc/sys/linux/include/arpa/tftp.h: Ditto.
	* libc/sys/linux/include/net/bpf.h: Ditto.
	* libc/sys/linux/include/net/bpf_compat.h: Ditto.
	* libc/sys/linux/include/net/bpfdesc.h: Ditto.
	* libc/sys/linux/include/net/bridge.h: Ditto.
	* libc/sys/linux/include/net/ethernet.h: Ditto.
	* libc/sys/linux/include/net/fddi.h: Ditto.
	* libc/sys/linux/include/net/if.h: Ditto.
	* libc/sys/linux/include/net/if_arc.h: Ditto.
	* libc/sys/linux/include/net/if_arp.h: Ditto.
	* libc/sys/linux/include/net/if_atm.h: Ditto.
	* libc/sys/linux/include/net/if_dl.h: Ditto.
	* libc/sys/linux/include/net/if_gif.h: Ditto.
	* libc/sys/linux/include/net/if_ieee80211.h: Ditto.
	* libc/sys/linux/include/net/if_llc.h: Ditto.
	* libc/sys/linux/include/net/if_media.h: Ditto.
	* libc/sys/linux/include/net/if_mib.h: Ditto.
	* libc/sys/linux/include/net/if_ppp.h: Ditto.
	* libc/sys/linux/include/net/if_pppvar.h: Ditto.
	* libc/sys/linux/include/net/if_slvar.h: Ditto.
	* libc/sys/linux/include/net/if_sppp.h: Ditto.
	* libc/sys/linux/include/net/if_stf.h: Ditto.
	* libc/sys/linux/include/net/if_tap.h: Ditto.
	* libc/sys/linux/include/net/if_tapvar.h: Ditto.
	* libc/sys/linux/include/net/if_tun.h: Ditto.
	* libc/sys/linux/include/net/if_tunvar.h: Ditto.
	* libc/sys/linux/include/net/if_types.h: Ditto.
	* libc/sys/linux/include/net/if_var.h: Ditto.
	* libc/sys/linux/include/net/if_vlan_var.h: Ditto.
	* libc/sys/linux/include/net/intrq.h: Ditto.
	* libc/sys/linux/include/net/iso88025.h: Ditto.
	* libc/sys/linux/include/net/net_osdep.h: Ditto.
	* libc/sys/linux/include/net/netisr.h: Ditto.
	* libc/sys/linux/include/net/pfil.h: Ditto.
	* libc/sys/linux/include/net/pfkeyv2.h: Ditto.
	* libc/sys/linux/include/net/ppp_comp.h: Ditto.
	* libc/sys/linux/include/net/ppp_defs.h: Ditto.
	* libc/sys/linux/include/net/radix.h: Ditto.
	* libc/sys/linux/include/net/raw_cb.h: Ditto.
	* libc/sys/linux/include/net/route.h: Ditto.
	* libc/sys/linux/include/net/slcompress.h: Ditto.
	* libc/sys/linux/include/net/slip.h: Ditto.
	* libc/sys/linux/include/net/zlib.h: Ditto.
	* libc/sys/linux/include/netinet/icmp6.h: Ditto.
	* libc/sys/linux/include/netinet/icmp_var.h: Ditto.
	* libc/sys/linux/include/netinet/if_atm.h: Ditto.
	* libc/sys/linux/include/netinet/if_ether.h: Ditto.
	* libc/sys/linux/include/netinet/igmp.h: Ditto.
	* libc/sys/linux/include/netinet/igmp_var.h: Ditto.
	* libc/sys/linux/include/netinet/in.h: Ditto.
	* libc/sys/linux/include/netinet/in_gif.h: Ditto.
	* libc/sys/linux/include/netinet/in_pcb.h: Ditto.
	* libc/sys/linux/include/netinet/in_systm.h: Ditto.
	* libc/sys/linux/include/netinet/in_var.h: Ditto.
	* libc/sys/linux/include/netinet/ip.h: Ditto.
	* libc/sys/linux/include/netinet/ip6.h: Ditto.
	* libc/sys/linux/include/netinet/ip_dummynet.h: Ditto.
	* libc/sys/linux/include/netinet/ip_ecn.h: Ditto.
	* libc/sys/linux/include/netinet/ip_encap.h: Ditto.
	* libc/sys/linux/include/netinet/ip_flow.h: Ditto.
	* libc/sys/linux/include/netinet/ip_fw.h: Ditto.
	* libc/sys/linux/include/netinet/ip_icmp.h: Ditto.
	* libc/sys/linux/include/netinet/ip_mroute.h: Ditto.
	* libc/sys/linux/include/netinet/ip_var.h: Ditto.
	* libc/sys/linux/include/netinet/ipprotosw.h: Ditto.
	* libc/sys/linux/include/netinet/tcp.h: Ditto.
	* libc/sys/linux/include/netinet/tcp_debug.h: Ditto.
	* libc/sys/linux/include/netinet/tcp_fsm.h: Ditto.
	* libc/sys/linux/include/netinet/tcp_seq.h: Ditto.
	* libc/sys/linux/include/netinet/tcp_timer.h: Ditto.
	* libc/sys/linux/include/netinet/tcp_var.h: Ditto.
	* libc/sys/linux/include/netinet/tcpip.h: Ditto.
	* libc/sys/linux/include/netinet/udp.h: Ditto.
	* libc/sys/linux/include/netinet/udp_var.h: Ditto.
	* libc/sys/linux/include/netinet6/ah.h: Ditto.
	* libc/sys/linux/include/netinet6/ah6.h: Ditto.
	* libc/sys/linux/include/netinet6/esp.h: Ditto.
	* libc/sys/linux/include/netinet6/esp6.h: Ditto.
	* libc/sys/linux/include/netinet6/esp_rijndael.h: Ditto.
	* libc/sys/linux/include/netinet6/icmp6.h: Ditto.
	* libc/sys/linux/include/netinet6/in6.h: Ditto.
	* libc/sys/linux/include/netinet6/in6_gif.h: Ditto.
	* libc/sys/linux/include/netinet6/in6_ifattach.h: Ditto.
	* libc/sys/linux/include/netinet6/in6_pcb.h: Ditto.
	* libc/sys/linux/include/netinet6/in6_prefix.h: Ditto.
	* libc/sys/linux/include/netinet6/in6_var.h: Ditto.
	* libc/sys/linux/include/netinet6/ip6.h: Ditto.
	* libc/sys/linux/include/netinet6/ip6_ecn.h: Ditto.
	* libc/sys/linux/include/netinet6/ip6_fw.h: Ditto.
	* libc/sys/linux/include/netinet6/ip6_mroute.h: Ditto.
	* libc/sys/linux/include/netinet6/ip6_var.h: Ditto.
	* libc/sys/linux/include/netinet6/ip6protosw.h: Ditto.
	* libc/sys/linux/include/netinet6/ipcomp.h: Ditto.
	* libc/sys/linux/include/netinet6/ipcomp6.h: Ditto.
	* libc/sys/linux/include/netinet6/ipsec.h: Ditto.
	* libc/sys/linux/include/netinet6/ipsec6.h: Ditto.
	* libc/sys/linux/include/netinet6/mld6_var.h: Ditto.
	* libc/sys/linux/include/netinet6/nd6.h: Ditto.
	* libc/sys/linux/include/netinet6/pim6.h: Ditto.
	* libc/sys/linux/include/netinet6/pim6_var.h: Ditto.
	* libc/sys/linux/include/netinet6/raw_ip6.h: Ditto.
	* libc/sys/linux/include/netinet6/scope6_var.h: Ditto.
	* libc/sys/linux/include/netinet6/tcp6_var.h: Ditto.
	* libc/sys/linux/include/netinet6/udp6_var.h: Ditto.
	* libc/sys/linux/include/netns/idp.h: Ditto.
	* libc/sys/linux/include/netns/idp_var.h: Ditto.
	* libc/sys/linux/include/netns/ns.h: Ditto.
	* libc/sys/linux/include/netns/ns_error.h: Ditto.
	* libc/sys/linux/include/netns/ns_if.h: Ditto.
	* libc/sys/linux/include/netns/ns_pcb.h: Ditto.
	* libc/sys/linux/include/netns/sp.h: Ditto.
	* libc/sys/linux/include/netns/spidp.h: Ditto.
	* libc/sys/linux/include/netns/spp_debug.h: Ditto.
	* libc/sys/linux/include/netns/spp_timer.h: Ditto.
	* libc/sys/linux/include/netns/spp_var.h: Ditto.
	* libc/sys/linux/include/rpc/Makefile: Ditto.
	* libc/sys/linux/include/rpc/auth.h: Ditto.
	* libc/sys/linux/include/rpc/auth_des.h: Ditto.
	* libc/sys/linux/include/rpc/auth_kerb.h: Ditto.
	* libc/sys/linux/include/rpc/auth_unix.h: Ditto.
	* libc/sys/linux/include/rpc/clnt.h: Ditto.
	* libc/sys/linux/include/rpc/clnt_soc.h: Ditto.
	* libc/sys/linux/include/rpc/clnt_stat.h: Ditto.
	* libc/sys/linux/include/rpc/des.h: Ditto.
	* libc/sys/linux/include/rpc/des_crypt.h: Ditto.
	* libc/sys/linux/include/rpc/nettype.h: Ditto.
	* libc/sys/linux/include/rpc/pmap_clnt.h: Ditto.
	* libc/sys/linux/include/rpc/pmap_prot.h: Ditto.
	* libc/sys/linux/include/rpc/pmap_rmt.h: Ditto.
	* libc/sys/linux/include/rpc/raw.h: Ditto.
	* libc/sys/linux/include/rpc/rpc.h: Ditto.
	* libc/sys/linux/include/rpc/rpc_com.h: Ditto.
	* libc/sys/linux/include/rpc/rpc_msg.h: Ditto.
	* libc/sys/linux/include/rpc/rpcb_clnt.h: Ditto.
	* libc/sys/linux/include/rpc/rpcb_prot.h: Ditto.
	* libc/sys/linux/include/rpc/rpcb_prot.x: Ditto.
	* libc/sys/linux/include/rpc/rpcent.h: Ditto.
	* libc/sys/linux/include/rpc/svc.h: Ditto.
	* libc/sys/linux/include/rpc/svc_auth.h: Ditto.
	* libc/sys/linux/include/rpc/svc_dg.h: Ditto.
	* libc/sys/linux/include/rpc/svc_soc.h: Ditto.
	* libc/sys/linux/include/rpc/types.h: Ditto.
	* libc/sys/linux/include/rpc/xdr.h: Ditto.
	* libc/sys/linux/intl/Makefile.am: Ditto.
	* libc/sys/linux/intl/Makefile.in: Ditto.
	* libc/sys/linux/intl/bindtextdom.c: Ditto.
	* libc/sys/linux/intl/catgets.c: Ditto.
	* libc/sys/linux/intl/catgetsinfo.h: Ditto.
	* libc/sys/linux/intl/config.h: Ditto.
	* libc/sys/linux/intl/dcgettext.c: Ditto.
	* libc/sys/linux/intl/dcigettext.c: Ditto.
	* libc/sys/linux/intl/dcngettext.c: Ditto.
	* libc/sys/linux/intl/dgettext.c: Ditto.
	* libc/sys/linux/intl/dngettext.c: Ditto.
	* libc/sys/linux/intl/explodename.c: Ditto.
	* libc/sys/linux/intl/finddomain.c: Ditto.
	* libc/sys/linux/intl/gettext.c: Ditto.
	* libc/sys/linux/intl/gettext.h: Ditto.
	* libc/sys/linux/intl/gettextP.h: Ditto.
	* libc/sys/linux/intl/hash-string.h: Ditto.
	* libc/sys/linux/intl/l10nflist.c: Ditto.
	* libc/sys/linux/intl/loadinfo.h: Ditto.
	* libc/sys/linux/intl/loadmsgcat.c: Ditto.
	* libc/sys/linux/intl/locale.alias: Ditto.
	* libc/sys/linux/intl/localealias.c: Ditto.
	* libc/sys/linux/intl/ngettext.c: Ditto.
	* libc/sys/linux/intl/open_catalog.c: Ditto.
	* libc/sys/linux/intl/plural.c: Ditto.
	* libc/sys/linux/intl/plural.y: Ditto.
	* libc/sys/linux/intl/stpcpy.c: Ditto.
	* libc/sys/linux/intl/textdomain.c: Ditto.
	* libc/sys/linux/linuxthreads/LICENSE: Ditto.
	* libc/sys/linux/linuxthreads/Makefile.am: Ditto.
	* libc/sys/linux/linuxthreads/Makefile.in: Ditto.
	* libc/sys/linux/linuxthreads/aclocal.m4: Ditto.
	* libc/sys/linux/linuxthreads/attr.c: Ditto.
	* libc/sys/linux/linuxthreads/barrier.c: Ditto.
	* libc/sys/linux/linuxthreads/bp-sym.h: Ditto.
	* libc/sys/linux/linuxthreads/cancel.c: Ditto.
	* libc/sys/linux/linuxthreads/condvar.c: Ditto.
	* libc/sys/linux/linuxthreads/config.h: Ditto.
	* libc/sys/linux/linuxthreads/configure: Ditto.
	* libc/sys/linux/linuxthreads/configure.in: Ditto.
	* libc/sys/linux/linuxthreads/defs.awk: Ditto.
	* libc/sys/linux/linuxthreads/ecmutex.c: Ditto.
	* libc/sys/linux/linuxthreads/events.c: Ditto.
	* libc/sys/linux/linuxthreads/getcpuclockid.c: Ditto.
	* libc/sys/linux/linuxthreads/getreent.c: Ditto.
	* libc/sys/linux/linuxthreads/internals.h: Ditto.
	* libc/sys/linux/linuxthreads/join.c: Ditto.
	* libc/sys/linux/linuxthreads/joinrace.c: Ditto.
	* libc/sys/linux/linuxthreads/kernel-features.h: Ditto.
	* libc/sys/linux/linuxthreads/libc-internal.h: Ditto.
	* libc/sys/linux/linuxthreads/libc-symbols.h: Ditto.
	* libc/sys/linux/linuxthreads/linuxthreads.texi: Ditto.
	* libc/sys/linux/linuxthreads/lockfile.c: Ditto.
	* libc/sys/linux/linuxthreads/manager.c: Ditto.
	* libc/sys/linux/linuxthreads/mq_notify.c: Ditto.
	* libc/sys/linux/linuxthreads/mutex.c: Ditto.
	* libc/sys/linux/linuxthreads/no-tsd.c: Ditto.
	* libc/sys/linux/linuxthreads/oldsemaphore.c: Ditto.
	* libc/sys/linux/linuxthreads/posix-timer.h: Ditto.
	* libc/sys/linux/linuxthreads/prio.c: Ditto.
	* libc/sys/linux/linuxthreads/proc_service.h: Ditto.
	* libc/sys/linux/linuxthreads/pt-machine.c: Ditto.
	* libc/sys/linux/linuxthreads/ptclock_gettime.c: Ditto.
	* libc/sys/linux/linuxthreads/ptclock_settime.c: Ditto.
	* libc/sys/linux/linuxthreads/ptfork.c: Ditto.
	* libc/sys/linux/linuxthreads/pthread.c: Ditto.
	* libc/sys/linux/linuxthreads/ptlongjmp.c: Ditto.
	* libc/sys/linux/linuxthreads/queue.h: Ditto.
	* libc/sys/linux/linuxthreads/reent.c: Ditto.
	* libc/sys/linux/linuxthreads/reqsyscalls.c: Ditto.
	* libc/sys/linux/linuxthreads/restart.h: Ditto.
	* libc/sys/linux/linuxthreads/rwlock.c: Ditto.
	* libc/sys/linux/linuxthreads/semaphore.c: Ditto.
	* libc/sys/linux/linuxthreads/semaphore.h: Ditto.
	* libc/sys/linux/linuxthreads/shlib-compat.h: Ditto.
	* libc/sys/linux/linuxthreads/signals.c: Ditto.
	* libc/sys/linux/linuxthreads/specific.c: Ditto.
	* libc/sys/linux/linuxthreads/spinlock.c: Ditto.
	* libc/sys/linux/linuxthreads/spinlock.h: Ditto.
	* libc/sys/linux/linuxthreads/sysctl.c: Ditto.
	* libc/sys/linux/linuxthreads/td_init.c: Ditto.
	* libc/sys/linux/linuxthreads/td_log.c: Ditto.
	* libc/sys/linux/linuxthreads/td_symbol_list.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_clear_event.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_delete.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_enable_stats.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_event_addr.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_event_getmsg.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_get_nthreads.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_get_ph.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_get_stats.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_map_id2thr.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_map_lwp2thr.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_new.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_reset_stats.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_set_event.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_setconcurrency.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_thr_iter.c: Ditto.
	* libc/sys/linux/linuxthreads/td_ta_tsd_iter.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_clear_event.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_dbresume.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_dbsuspend.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_event_enable.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_event_getmsg.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_get_info.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_getfpregs.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_getgregs.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_getxregs.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_getxregsize.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_set_event.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_setfpregs.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_setgregs.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_setprio.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_setsigpending.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_setxregs.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_sigsetmask.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_tsd.c: Ditto.
	* libc/sys/linux/linuxthreads/td_thr_validate.c: Ditto.
	* libc/sys/linux/linuxthreads/testrtsig.h: Ditto.
	* libc/sys/linux/linuxthreads/thread_db.h: Ditto.
	* libc/sys/linux/linuxthreads/thread_dbP.h: Ditto.
	* libc/sys/linux/linuxthreads/timer_create.c: Ditto.
	* libc/sys/linux/linuxthreads/timer_delete.c: Ditto.
	* libc/sys/linux/linuxthreads/timer_getoverr.c: Ditto.
	* libc/sys/linux/linuxthreads/timer_gettime.c: Ditto.
	* libc/sys/linux/linuxthreads/timer_routines.c: Ditto.
	* libc/sys/linux/linuxthreads/timer_settime.c: Ditto.
	* libc/sys/linux/linuxthreads/tst-cancel.c: Ditto.
	* libc/sys/linux/linuxthreads/tst-context.c: Ditto.
	* libc/sys/linux/linuxthreads/tststack.c: Ditto.
	* libc/sys/linux/linuxthreads/unload.c: Ditto.
	* libc/sys/linux/linuxthreads/weaks.c: Ditto.
	* libc/sys/linux/linuxthreads/wrapsyscall.c: Ditto.
	* libc/sys/linux/linuxthreads/bits/initspin.h: Ditto.
	* libc/sys/linux/linuxthreads/bits/libc-lock.h: Ditto.
	* libc/sys/linux/linuxthreads/bits/libc-tsd.h: Ditto.
	* libc/sys/linux/linuxthreads/bits/local_lim.h: Ditto.
	* libc/sys/linux/linuxthreads/bits/posix_opt.h: Ditto.
	* libc/sys/linux/linuxthreads/bits/pthreadtypes.h: Ditto.
	* libc/sys/linux/linuxthreads/bits/sigthread.h: Ditto.
	* libc/sys/linux/linuxthreads/machine/Makefile.am: Ditto.
	* libc/sys/linux/linuxthreads/machine/Makefile.in: Ditto.
	* libc/sys/linux/linuxthreads/machine/aclocal.m4: Ditto.
	* libc/sys/linux/linuxthreads/machine/configure: Ditto.
	* libc/sys/linux/linuxthreads/machine/configure.in: Ditto.
	* libc/sys/linux/linuxthreads/machine/generic/generic-sysd: Ditto.ep.h
	* libc/sys/linux/linuxthreads/machine/i386/Makefile.am: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/Makefile.in: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/aclocal.m4: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/bp-asm.h: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/clone.S: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/configure: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/configure.in: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.S: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.h: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/pspinlock.c: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/pt-machine.h: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/sigcontextinfo.h: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/stackinfo.h: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/sysdep.S: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/sysdep.h: Ditto.
	* libc/sys/linux/linuxthreads/machine/i386/useldt.h: Ditto.
	* libc/sys/linux/machine/i386/dl-machine.h: Ditto.
	* libc/sys/linux/net/Makefile.am: Ditto.
	* libc/sys/linux/net/Makefile.in: Ditto.
	* libc/sys/linux/net/addr2ascii.3: Ditto.
	* libc/sys/linux/net/addr2ascii.c: Ditto.
	* libc/sys/linux/net/ascii2addr.c: Ditto.
	* libc/sys/linux/net/base64.c: Ditto.
	* libc/sys/linux/net/bindresvport.c: Ditto.
	* libc/sys/linux/net/byteorder.3: Ditto.
	* libc/sys/linux/net/ether_addr.c: Ditto.
	* libc/sys/linux/net/ethers.3: Ditto.
	* libc/sys/linux/net/getaddrinfo.3: Ditto.
	* libc/sys/linux/net/getaddrinfo.c: Ditto.
	* libc/sys/linux/net/gethostbydns.c: Ditto.
	* libc/sys/linux/net/gethostbyht.c: Ditto.
	* libc/sys/linux/net/gethostbyname.3: Ditto.
	* libc/sys/linux/net/gethostbynis.c: Ditto.
	* libc/sys/linux/net/gethostnamadr.c: Ditto.
	* libc/sys/linux/net/getifaddrs.3: Ditto.
	* libc/sys/linux/net/getifaddrs.c: Ditto.
	* libc/sys/linux/net/getipnodebyname.3: Ditto.
	* libc/sys/linux/net/getnameinfo.3: Ditto.
	* libc/sys/linux/net/getnameinfo.c: Ditto.
	* libc/sys/linux/net/getnetbydns.c: Ditto.
	* libc/sys/linux/net/getnetbyht.c: Ditto.
	* libc/sys/linux/net/getnetbynis.c: Ditto.
	* libc/sys/linux/net/getnetent.3: Ditto.
	* libc/sys/linux/net/getnetnamadr.c: Ditto.
	* libc/sys/linux/net/getproto.c: Ditto.
	* libc/sys/linux/net/getprotoent.3: Ditto.
	* libc/sys/linux/net/getprotoent.c: Ditto.
	* libc/sys/linux/net/getprotoname.c: Ditto.
	* libc/sys/linux/net/getservbyname.c: Ditto.
	* libc/sys/linux/net/getservbyport.c: Ditto.
	* libc/sys/linux/net/getservent.3: Ditto.
	* libc/sys/linux/net/getservent.c: Ditto.
	* libc/sys/linux/net/herror.c: Ditto.
	* libc/sys/linux/net/hesiod.3: Ditto.
	* libc/sys/linux/net/hesiod.c: Ditto.
	* libc/sys/linux/net/if_indextoname.3: Ditto.
	* libc/sys/linux/net/ifname.c: Ditto.
	* libc/sys/linux/net/inet.3: Ditto.
	* libc/sys/linux/net/inet6_option_s: Ditto.pace.3
	* libc/sys/linux/net/inet6_rthdr_space.3: Ditto.
	* libc/sys/linux/net/inet_addr.c: Ditto.
	* libc/sys/linux/net/inet_lnaof.c: Ditto.
	* libc/sys/linux/net/inet_makeaddr.c: Ditto.
	* libc/sys/linux/net/inet_net.3: Ditto.
	* libc/sys/linux/net/inet_net_ntop.c: Ditto.
	* libc/sys/linux/net/inet_net_pton.c: Ditto.
	* libc/sys/linux/net/inet_neta.c: Ditto.
	* libc/sys/linux/net/inet_netof.c: Ditto.
	* libc/sys/linux/net/inet_network.c: Ditto.
	* libc/sys/linux/net/inet_ntoa.c: Ditto.
	* libc/sys/linux/net/inet_ntop.c: Ditto.
	* libc/sys/linux/net/inet_pton.c: Ditto.
	* libc/sys/linux/net/innetgr-stub.c: Ditto.
	* libc/sys/linux/net/ip6opt.c: Ditto.
	* libc/sys/linux/net/iso_addr.3: Ditto.
	* libc/sys/linux/net/iso_addr.c: Ditto.
	* libc/sys/linux/net/issetugid-stub.c: Ditto.
	* libc/sys/linux/net/linkaddr.3: Ditto.
	* libc/sys/linux/net/linkaddr.c: Ditto.
	* libc/sys/linux/net/map_v4v6.c: Ditto.
	* libc/sys/linux/net/name6.c: Ditto.
	* libc/sys/linux/net/namespace.h: Ditto.
	* libc/sys/linux/net/ns.3: Ditto.
	* libc/sys/linux/net/ns_addr.c: Ditto.
	* libc/sys/linux/net/ns_name.c: Ditto.
	* libc/sys/linux/net/ns_netint.c: Ditto.
	* libc/sys/linux/net/ns_ntoa.c: Ditto.
	* libc/sys/linux/net/ns_parse.c: Ditto.
	* libc/sys/linux/net/ns_print.c: Ditto.
	* libc/sys/linux/net/ns_ttl.c: Ditto.
	* libc/sys/linux/net/nsap_addr.c: Ditto.
	* libc/sys/linux/net/nsdispatch.3: Ditto.
	* libc/sys/linux/net/nsdispatch.c: Ditto.
	* libc/sys/linux/net/nslexer.c: Ditto.
	* libc/sys/linux/net/nslexer.l: Ditto.
	* libc/sys/linux/net/nsparser.c: Ditto.
	* libc/sys/linux/net/nsparser.h: Ditto.
	* libc/sys/linux/net/nsparser.y: Ditto.
	* libc/sys/linux/net/rcmd.3: Ditto.
	* libc/sys/linux/net/rcmd.c: Ditto.
	* libc/sys/linux/net/rcmdsh.3: Ditto.
	* libc/sys/linux/net/rcmdsh.c: Ditto.
	* libc/sys/linux/net/recv.c: Ditto.
	* libc/sys/linux/net/res_comp.c: Ditto.
	* libc/sys/linux/net/res_config.h: Ditto.
	* libc/sys/linux/net/res_data.c: Ditto.
	* libc/sys/linux/net/res_debug.c: Ditto.
	* libc/sys/linux/net/res_init.c: Ditto.
	* libc/sys/linux/net/res_mkquery.c: Ditto.
	* libc/sys/linux/net/res_mkupdate.c: Ditto.
	* libc/sys/linux/net/res_query.c: Ditto.
	* libc/sys/linux/net/res_send.c: Ditto.
	* libc/sys/linux/net/res_update.c: Ditto.
	* libc/sys/linux/net/resolver.3: Ditto.
	* libc/sys/linux/net/rthdr.c: Ditto.
	* libc/sys/linux/net/send.c: Ditto.
	* libc/sys/linux/net/un-namespace.h: Ditto.
	* libc/sys/linux/net/vars.c: Ditto.
	* libc/sys/linux/stdlib/COPYRIGHT: Ditto.
	* libc/sys/linux/stdlib/Makefile.am: Ditto.
	* libc/sys/linux/stdlib/Makefile.in: Ditto.
	* libc/sys/linux/stdlib/cclass.h: Ditto.
	* libc/sys/linux/stdlib/cname.h: Ditto.
	* libc/sys/linux/stdlib/collate.c: Ditto.
	* libc/sys/linux/stdlib/collate.h: Ditto.
	* libc/sys/linux/stdlib/collcmp.c: Ditto.
	* libc/sys/linux/stdlib/engine.c: Ditto.
	* libc/sys/linux/stdlib/fnmatch.3: Ditto.
	* libc/sys/linux/stdlib/fnmatch.c: Ditto.
	* libc/sys/linux/stdlib/glob.3: Ditto.
	* libc/sys/linux/stdlib/glob.c: Ditto.
	* libc/sys/linux/stdlib/reallocf.c: Ditto.
	* libc/sys/linux/stdlib/regcomp.c: Ditto.
	* libc/sys/linux/stdlib/regerror.c: Ditto.
	* libc/sys/linux/stdlib/regex.3: Ditto.
	* libc/sys/linux/stdlib/regex2.h: Ditto.
	* libc/sys/linux/stdlib/regexec.c: Ditto.
	* libc/sys/linux/stdlib/regfree.c: Ditto.
	* libc/sys/linux/stdlib/utils.h: Ditto.
	* libc/sys/linux/stdlib/wordexp.c: Ditto.
	* libc/sys/linux/stdlib/wordfree.c: Ditto.
	* libc/sys/linux/sys/dlfcn.h: Ditto.
	* libc/sys/linux/sys/elfclass.h: Ditto.
	* libc/sys/linux/sys/event.h: Ditto.
	* libc/sys/linux/sys/ioccom.h: Ditto.
	* libc/sys/linux/sys/libc-tsd.h: Ditto.
	* libc/sys/linux/sys/link.h: Ditto.
	* libc/sys/linux/sys/lock.h: Ditto.
	* libc/sys/linux/sys/param.h: Ditto.
	* libc/sys/linux/sys/socket.h: Ditto.
	* libc/sys/linux/sys/sockio.h: Ditto.

1 files changed, 592 insertions, 0 deletions

diff --git a/newlib/libc/sys/linux/net/ns_name.c b/newlib/libc/sys/linux/net/ns_name.c
new file mode 100644
index 000000000..609df14f5
--- /dev/null
+++ b/newlib/libc/sys/linux/net/ns_name.c
@@ -0,0 +1,592 @@
+/*
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+
+#include <errno.h>
+#include <resolv.h>
+#include <string.h>
+
+/* Data. */
+
+static char		digits[] = "0123456789";
+
+/* Forward. */
+
+static int		special(int);
+static int		printable(int);
+static int		dn_find(const u_char *, const u_char *,
+				const u_char * const *,
+				const u_char * const *);
+
+/* Public. */
+
+/*
+ * ns_name_ntop(src, dst, dstsiz)
+ *	Convert an encoded domain name to printable ascii as per RFC1035.
+ * return:
+ *	Number of bytes written to buffer, or -1 (with errno set)
+ * notes:
+ *	The root is returned as "."
+ *	All other domains are returned in non absolute form
+ */
+int
+ns_name_ntop(const u_char *src, char *dst, size_t dstsiz) {
+	const u_char *cp;
+	char *dn, *eom;
+	u_char c;
+	u_int n;
+
+	cp = src;
+	dn = dst;
+	eom = dst + dstsiz;
+
+	while ((n = *cp++) != 0) {
+		if ((n & NS_CMPRSFLGS) != 0) {
+			/* Some kind of compression pointer. */
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		if (dn != dst) {
+			if (dn >= eom) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			*dn++ = '.';
+		}
+		if (dn + n >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		for ((void)NULL; n > 0; n--) {
+			c = *cp++;
+			if (special(c)) {
+				if (dn + 1 >= eom) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				*dn++ = '\\';
+				*dn++ = (char)c;
+			} else if (!printable(c)) {
+				if (dn + 3 >= eom) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				*dn++ = '\\';
+				*dn++ = digits[c / 100];
+				*dn++ = digits[(c % 100) / 10];
+				*dn++ = digits[c % 10];
+			} else {
+				if (dn >= eom) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				*dn++ = (char)c;
+			}
+		}
+	}
+	if (dn == dst) {
+		if (dn >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		*dn++ = '.';
+	}
+	if (dn >= eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	*dn++ = '\0';
+	return (dn - dst);
+}
+
+/*
+ * ns_name_pton(src, dst, dstsiz)
+ *	Convert a ascii string into an encoded domain name as per RFC1035.
+ * return:
+ *	-1 if it fails
+ *	1 if string was fully qualified
+ *	0 is string was not fully qualified
+ * notes:
+ *	Enforces label and domain length limits.
+ */
+
+int
+ns_name_pton(const char *src, u_char *dst, size_t dstsiz) {
+	u_char *label, *bp, *eom;
+	int c, n, escaped;
+	char *cp;
+
+	escaped = 0;
+	bp = dst;
+	eom = dst + dstsiz;
+	label = bp++;
+
+	while ((c = *src++) != 0) {
+		if (escaped) {
+			if ((cp = strchr(digits, c)) != NULL) {
+				n = (cp - digits) * 100;
+				if ((c = *src++) == 0 ||
+				    (cp = strchr(digits, c)) == NULL) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				n += (cp - digits) * 10;
+				if ((c = *src++) == 0 ||
+				    (cp = strchr(digits, c)) == NULL) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				n += (cp - digits);
+				if (n > 255) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				c = n;
+			}
+			escaped = 0;
+		} else if (c == '\\') {
+			escaped = 1;
+			continue;
+		} else if (c == '.') {
+			c = (bp - label - 1);
+			if ((c & NS_CMPRSFLGS) != 0) {	/* Label too big. */
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			if (label >= eom) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			*label = c;
+			/* Fully qualified ? */
+			if (*src == '\0') {
+				if (c != 0) {
+					if (bp >= eom) {
+						errno = EMSGSIZE;
+						return (-1);
+					}
+					*bp++ = '\0';
+				}
+				if ((bp - dst) > MAXCDNAME) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				return (1);
+			}
+			if (c == 0) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			label = bp++;
+			continue;
+		}
+		if (bp >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		*bp++ = (u_char)c;
+	}
+	c = (bp - label - 1);
+	if ((c & NS_CMPRSFLGS) != 0) {		/* Label too big. */
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	if (label >= eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	*label = c;
+	if (c != 0) {
+		if (bp >= eom) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		*bp++ = 0;
+	}
+	if ((bp - dst) > MAXCDNAME) {	/* src too big */
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	return (0);
+}
+
+/*
+ * ns_name_unpack(msg, eom, src, dst, dstsiz)
+ *	Unpack a domain name from a message, source may be compressed.
+ * return:
+ *	-1 if it fails, or consumed octets if it succeeds.
+ */
+int
+ns_name_unpack(const u_char *msg, const u_char *eom, const u_char *src,
+	       u_char *dst, size_t dstsiz)
+{
+	const u_char *srcp, *dstlim;
+	u_char *dstp;
+	int n, len, checked;
+
+	len = -1;
+	checked = 0;
+	dstp = dst;
+	srcp = src;
+	dstlim = dst + dstsiz;
+	if (srcp < msg || srcp >= eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	/* Fetch next label in domain name. */
+	while ((n = *srcp++) != 0) {
+		/* Check for indirection. */
+		switch (n & NS_CMPRSFLGS) {
+		case 0:
+			/* Limit checks. */
+			if (dstp + n + 1 >= dstlim || srcp + n >= eom) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			checked += n + 1;
+			*dstp++ = n;
+			memcpy(dstp, srcp, n);
+			dstp += n;
+			srcp += n;
+			break;
+
+		case NS_CMPRSFLGS:
+			if (srcp >= eom) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			if (len < 0)
+				len = srcp - src + 1;
+			srcp = msg + (((n & 0x3f) << 8) | (*srcp & 0xff));
+			if (srcp < msg || srcp >= eom) {  /* Out of range. */
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			checked += 2;
+			/*
+			 * Check for loops in the compressed name;
+			 * if we've looked at the whole message,
+			 * there must be a loop.
+			 */
+			if (checked >= eom - msg) {
+				errno = EMSGSIZE;
+				return (-1);
+			}
+			break;
+
+		default:
+			errno = EMSGSIZE;
+			return (-1);			/* flag error */
+		}
+	}
+	*dstp = '\0';
+	if (len < 0)
+		len = srcp - src;
+	return (len);
+}
+
+/*
+ * ns_name_pack(src, dst, dstsiz, dnptrs, lastdnptr)
+ *	Pack domain name 'domain' into 'comp_dn'.
+ * return:
+ *	Size of the compressed name, or -1.
+ * notes:
+ *	'dnptrs' is an array of pointers to previous compressed names.
+ *	dnptrs[0] is a pointer to the beginning of the message. The array
+ *	ends with NULL.
+ *	'lastdnptr' is a pointer to the end of the array pointed to
+ *	by 'dnptrs'.
+ * Side effects:
+ *	The list of pointers in dnptrs is updated for labels inserted into
+ *	the message as we compress the name.  If 'dnptr' is NULL, we don't
+ *	try to compress names. If 'lastdnptr' is NULL, we don't update the
+ *	list.
+ */
+int
+ns_name_pack(const u_char *src, u_char *dst, int dstsiz,
+	     const u_char **dnptrs, const u_char **lastdnptr)
+{
+	u_char *dstp;
+	const u_char **cpp, **lpp, *eob, *msg;
+	const u_char *srcp;
+	int n, l;
+
+	srcp = src;
+	dstp = dst;
+	eob = dstp + dstsiz;
+	lpp = cpp = NULL;
+	if (dnptrs != NULL) {
+		if ((msg = *dnptrs++) != NULL) {
+			for (cpp = dnptrs; *cpp != NULL; cpp++)
+				(void)NULL;
+			lpp = cpp;	/* end of list to search */
+		}
+	} else
+		msg = NULL;
+
+	/* make sure the domain we are about to add is legal */
+	l = 0;
+	do {
+		n = *srcp;
+		if ((n & NS_CMPRSFLGS) != 0) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		l += n + 1;
+		if (l > MAXCDNAME) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		srcp += n + 1;
+	} while (n != 0);
+
+	srcp = src;
+	do {
+		/* Look to see if we can use pointers. */
+		n = *srcp;
+		if (n != 0 && msg != NULL) {
+			l = dn_find(srcp, msg, (const u_char * const *)dnptrs,
+				    (const u_char * const *)lpp);
+			if (l >= 0) {
+				if (dstp + 1 >= eob) {
+					errno = EMSGSIZE;
+					return (-1);
+				}
+				*dstp++ = (l >> 8) | NS_CMPRSFLGS;
+				*dstp++ = l % 256;
+				return (dstp - dst);
+			}
+			/* Not found, save it. */
+			if (lastdnptr != NULL && cpp < lastdnptr - 1 &&
+			    (dstp - msg) < 0x4000) {
+				*cpp++ = dstp;
+				*cpp = NULL;
+			}
+		}
+		/* copy label to buffer */
+		if (n & NS_CMPRSFLGS) {		/* Should not happen. */
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		if (dstp + 1 + n >= eob) {
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		memcpy(dstp, srcp, n + 1);
+		srcp += n + 1;
+		dstp += n + 1;
+	} while (n != 0);
+
+	if (dstp > eob) {
+		if (msg != NULL)
+			*lpp = NULL;
+		errno = EMSGSIZE;
+		return (-1);
+	} 
+	return (dstp - dst);
+}
+
+/*
+ * ns_name_uncompress(msg, eom, src, dst, dstsiz)
+ *	Expand compressed domain name to presentation format.
+ * return:
+ *	Number of bytes read out of `src', or -1 (with errno set).
+ * note:
+ *	Root domain returns as "." not "".
+ */
+int
+ns_name_uncompress(const u_char *msg, const u_char *eom, const u_char *src,
+		   char *dst, size_t dstsiz)
+{
+	u_char tmp[NS_MAXCDNAME];
+	int n;
+	
+	if ((n = ns_name_unpack(msg, eom, src, tmp, sizeof tmp)) == -1)
+		return (-1);
+	if (ns_name_ntop(tmp, dst, dstsiz) == -1)
+		return (-1);
+	return (n);
+}
+
+/*
+ * ns_name_compress(src, dst, dstsiz, dnptrs, lastdnptr)
+ *	Compress a domain name into wire format, using compression pointers.
+ * return:
+ *	Number of bytes consumed in `dst' or -1 (with errno set).
+ * notes:
+ *	'dnptrs' is an array of pointers to previous compressed names.
+ *	dnptrs[0] is a pointer to the beginning of the message.
+ *	The list ends with NULL.  'lastdnptr' is a pointer to the end of the
+ *	array pointed to by 'dnptrs'. Side effect is to update the list of
+ *	pointers for labels inserted into the message as we compress the name.
+ *	If 'dnptr' is NULL, we don't try to compress names. If 'lastdnptr'
+ *	is NULL, we don't update the list.
+ */
+int
+ns_name_compress(const char *src, u_char *dst, size_t dstsiz,
+		 const u_char **dnptrs, const u_char **lastdnptr)
+{
+	u_char tmp[NS_MAXCDNAME];
+
+	if (ns_name_pton(src, tmp, sizeof tmp) == -1)
+		return (-1);
+	return (ns_name_pack(tmp, dst, dstsiz, dnptrs, lastdnptr));
+}
+
+/*
+ * ns_name_skip(ptrptr, eom)
+ *	Advance *ptrptr to skip over the compressed name it points at.
+ * return:
+ *	0 on success, -1 (with errno set) on failure.
+ */
+int
+ns_name_skip(const u_char **ptrptr, const u_char *eom) {
+	const u_char *cp;
+	u_int n;
+
+	cp = *ptrptr;
+	while (cp < eom && (n = *cp++) != 0) {
+		/* Check for indirection. */
+		switch (n & NS_CMPRSFLGS) {
+		case 0:			/* normal case, n == len */
+			cp += n;
+			continue;
+		case NS_CMPRSFLGS:	/* indirection */
+			cp++;
+			break;
+		default:		/* illegal type */
+			errno = EMSGSIZE;
+			return (-1);
+		}
+		break;
+	}
+	if (cp > eom) {
+		errno = EMSGSIZE;
+		return (-1);
+	}
+	*ptrptr = cp;
+	return (0);
+}
+
+/* Private. */
+
+/*
+ * special(ch)
+ *	Thinking in noninternationalized USASCII (per the DNS spec),
+ *	is this characted special ("in need of quoting") ?
+ * return:
+ *	boolean.
+ */
+static int
+special(int ch) {
+	switch (ch) {
+	case 0x22: /* '"' */
+	case 0x2E: /* '.' */
+	case 0x3B: /* ';' */
+	case 0x5C: /* '\\' */
+	/* Special modifiers in zone files. */
+	case 0x40: /* '@' */
+	case 0x24: /* '$' */
+		return (1);
+	default:
+		return (0);
+	}
+}
+
+/*
+ * printable(ch)
+ *	Thinking in noninternationalized USASCII (per the DNS spec),
+ *	is this character visible and not a space when printed ?
+ * return:
+ *	boolean.
+ */
+static int
+printable(int ch) {
+	return (ch > 0x20 && ch < 0x7f);
+}
+
+/*
+ *	Thinking in noninternationalized USASCII (per the DNS spec),
+ *	convert this character to lower case if it's upper case.
+ */
+static int
+mklower(int ch) {
+	if (ch >= 0x41 && ch <= 0x5A)
+		return (ch + 0x20);
+	return (ch);
+}
+
+/*
+ * dn_find(domain, msg, dnptrs, lastdnptr)
+ *	Search for the counted-label name in an array of compressed names.
+ * return:
+ *	offset from msg if found, or -1.
+ * notes:
+ *	dnptrs is the pointer to the first name on the list,
+ *	not the pointer to the start of the message.
+ */
+static int
+dn_find(const u_char *domain, const u_char *msg,
+	const u_char * const *dnptrs,
+	const u_char * const *lastdnptr)
+{
+	const u_char *dn, *cp, *sp;
+	const u_char * const *cpp;
+	u_int n;
+
+	for (cpp = dnptrs; cpp < lastdnptr; cpp++) {
+		dn = domain;
+		sp = cp = *cpp;
+		while ((n = *cp++) != 0) {
+			/*
+			 * check for indirection
+			 */
+			switch (n & NS_CMPRSFLGS) {
+			case 0:			/* normal case, n == len */
+				if (n != *dn++)
+					goto next;
+				for ((void)NULL; n > 0; n--)
+					if (mklower(*dn++) != mklower(*cp++))
+						goto next;
+				/* Is next root for both ? */
+				if (*dn == '\0' && *cp == '\0')
+					return (sp - msg);
+				if (*dn)
+					continue;
+				goto next;
+
+			case NS_CMPRSFLGS:	/* indirection */
+				cp = msg + (((n & 0x3f) << 8) | *cp);
+				break;
+
+			default:	/* illegal type */
+				errno = EMSGSIZE;
+				return (-1);
+			}
+		}
+ next: ;
+	}
+	errno = ENOENT;
+	return (-1);
+}