Twin directories of std:

[DIR]  ftp://ftp.tm.informatik.uni-frankfurt.de/pub/doc/std/
[DIR]  ftp://ftp.ox.ac.uk/pub/comp/security/COAST/mirrors/vic.cc.purdue.edu/lsof/binaries/uw/7.1.1/std/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.rfc-editor.org/std/
[DIR]  ftp://ftp.sonycsl.co.jp/mirror/ftp.dit.co.jp/RFC/std/
[DIR]  ftp://ftp.eenet.ee/doc/rfc/std/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/ietf/rfc/std/
[DIR]  ftp://ftp.kfki.hu/pub/documents/rfc/std/
[DIR]  ftp://ftp.registro.br/rfc/std/
[DIR]  ftp://ftp.ripe.net/mirrors/rfc/std/
[DIR]  ftp://ftp.kreonet.re.kr/docs/in-notes/std/
[DIR]  ftp://ftp.fagskolen.gjovik.no/pub/rfc/std/
[DIR]  ftp://ftp.isi.edu/in-notes/std/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/gnu/tmp/linux-libre-fsf2_2.6.28/linux-2.6.28/include/config/pm/std/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/std/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/std/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/contrib/libg++/libstdc++/std/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/sys/dev/std/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/gnu/dist/gcc4/libstdc++-v3/include/std/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/sys/dev/std/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/gnu/dist/gcc4/libstdc++-v3/include/std/
[DIR]  ftp://ftp.cs.nthu.edu.tw/pub/Docs/Internet/std/
[DIR]  ftp://ftp.rmt.ru/pub/Mirrors/ftp.ietf.org/rfc/std/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/rfc/std/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/contrib/libg++/libstdc++/std/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/contrib/libstdc++/include/std/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/contrib/libstdc++/std/
[DIR]  ftp://ftp.jate.u-szeged.hu/pub/comp_sci/rfc/std/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/rfc/std/
[DIR]  ftp://ftp.andr.ru/pub/os/qnx/6/svn/repos/coreos_pub/trunk/lib/malloc/std/
[DIR]  ftp://ftp.adobe.com/pub/adobe/acrobat/js/6.x/std/
[DIR]  ftp://ftp.adobe.com/pub/adobe/acrobat/js/7x/std/
[DIR]  ftp://ftp.ut.ee/documents/RFC/std/
[DIR]  ftp://ftp.lanet.lv/pub/rfc/std/
[DIR]  ftp://ftp.sztaki.hu/pub/nic/rfc/std/
[DIR]  ftp://ftp.gts.chel.su/pub/docs/std/
[DIR]  ftp://ftp.dntis.ro/pub/.1/ftp.rfc-editor.org/rfc/std/
[DIR]  ftp://ftp.dntis.ro/pub/.1/ftp.hacktic.nl/security/coast.cs.purdue.edu/unix/sysutils/lsof/binaries/uw/7.1.1/std/
[DIR]  ftp://ftp.apnic.net/public/ietf/ietf-mirror/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/sys/dev/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/sys/arch/atari/stand/bootxx/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/sys/arch/atari/stand/bootxxx/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/sys/arch/atari/stand/xxboot/ahdi-sdb00t/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/sys/arch/atari/stand/xxboot/ahdi-xxboot/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/sys/arch/atari/stand/xxboot/fdboot/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/sys/arch/atari/stand/xxboot/sdboot/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/gnu/dist/gcc4/libstdc++-v3/include/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/sys/dev/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/gnu/dist/toolchain/libstdc++/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/sys/arch/atari/stand/bootxx/std/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/sys/arch/atari/stand/bootxxx/std/