Twin directories of include:

[DIR]  ftp://ftp.keystealth.org/pub/gnu/tmp/linux-libre-fsf2_2.6.28/linux-2.6.28/include/
[DIR]  ftp://ftp.keystealth.org/pub/gnu/tmp/linux-libre-fsf2_2.6.28/linux-2.6.28/ubuntu/include/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/os/sparc/misc/src/anaconda/isys/modutils/include/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/os/sparc/misc/src/anaconda/loader/kon2/include/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/os/sparc/misc/src/anaconda/loader/pcmcia-install/include/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/old/materialy-plytka-SO-2004-cd/strona_www_SO/Linux/Kod/include/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/old/materialy-plytka-SO-2004/strona_www_SO/Linux/Kod/include/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/materialy-plytka-SO-2005/strona_www_SO/Linux/Kod/include/
[DIR]  ftp://ftp.kemsu.ru/incoming/demid/include/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/marcelo/linux-2.4/include/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/marcelo/linux-2.4/arch/ppc/boot/include/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/marcelo/linux-2.4/drivers/acpi/ospm/include/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/marcelo/linux-2.4/drivers/acpi/include/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/christoph/patch-archive/2007/2.6.23/patches-vcompound/include/
[DIR]  ftp://ftp.agfa.com/DRIVERS/include/
[DIR]  ftp://ftp.linux.it/pub/mirrors/appunti/HTML/allegati/a2/05/05/include/
[DIR]  ftp://ftp.linux.it/pub/mirrors/appunti/HTML/allegati/a2/c/include/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/marcelo/linux-2.4/arch/ppc/boot/include/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/marcelo/linux-2.4/drivers/acpi/ospm/include/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/marcelo/linux-2.4/drivers/acpi/include/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/marcelo/linux-2.4/include/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/christoph/patch-archive/2007/2.6.23/patches-vcompound/include/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/X11/gtkbuffet/apps/rglclock/Snapshot/untarred/rglclock/include/
[DIR]  ftp://ftp.saintjoe.edu/pub/linux/ubuntu/releases/include/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/ubuntu.releases/include/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/marcelo/linux-2.4/include/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/marcelo/linux-2.4/arch/ppc/boot/include/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/marcelo/linux-2.4/drivers/acpi/ospm/include/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/marcelo/linux-2.4/drivers/acpi/include/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/christoph/patch-archive/2007/2.6.23/patches-vcompound/include/
[DIR]  ftp://ftp.cs.ust.hk/pub/course/COMP341/S05/Password_Only/projects/animator03/local/include/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/macros/latex/contrib/disser/include/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/dviware/mdvi/include/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/CursoXML/programas/apache-tomcat-6.0.14/webapps/examples/jsp/include/
[DIR]  ftp://ftp.linux.ncsu.edu/pub/ncsuscyld/i386/misc/src/anaconda/isys/modutils/include/
[DIR]  ftp://ftp.linux.ncsu.edu/pub/ncsuscyld/i386/misc/src/anaconda/loader/kon2/include/
[DIR]  ftp://ftp.linux.ncsu.edu/pub/ncsuscyld/i386/misc/src/anaconda/loader/pcmcia-install/include/
[DIR]  ftp://ftp.linux.ncsu.edu/pub/realmlinux/realmkit-6.2/i386/misc/src/anaconda/isys/modutils/include/
[DIR]  ftp://ftp.linux.ncsu.edu/pub/realmlinux/realmkit-6.2/i386/misc/src/anaconda/loader/kon2/include/
[DIR]  ftp://ftp.linux.ncsu.edu/pub/realmlinux/realmkit-6.2/i386/misc/src/anaconda/loader/pcmcia-install/include/
[DIR]  ftp://ftp.psg.com/pub/modula-2/gpm/include/
[DIR]  ftp://ftp.unc.edu/pub/empd/products/EDSS/test/public_domain/plplot_old/include/
[DIR]  ftp://ftp.x.org/pub/unsupported/extensions/screensaver/include/
[DIR]  ftp://ftp.x.org/pub/unsupported/lib/PHIGS/include/
[DIR]  ftp://ftp.x.org/pub/unsupported/test/InsPEX/include/
[DIR]  ftp://ftp.x.org/pub/unsupported/test/suspex/include/
[DIR]  ftp://ftp.afps.chel.su/pub/UNIX/VtunD/openssl-0.9.7b/include/
[DIR]  ftp://debian.lcs.mit.edu/pub/linux/kernel/people/marcelo/linux-2.4/include/
[DIR]  ftp://debian.lcs.mit.edu/pub/linux/kernel/people/marcelo/linux-2.4/arch/ppc/boot/include/
[DIR]  ftp://debian.lcs.mit.edu/pub/linux/kernel/people/marcelo/linux-2.4/drivers/acpi/ospm/include/