Twin directories of man3:

[DIR]  ftp://ftp.cs.rutgers.edu/cs/updating/weblint-1.9.3/blib/man3/
[DIR]  ftp://ftp.unb.ca/pub/EBS/solaris_32/SUNWebsm/reloc/share/man/man3/
[DIR]  ftp://ftp.unb.ca/pub/EBS/solaris_64/116832-03/SUNWebsm/reloc/share/man/man3/
[DIR]  ftp://ftp.unb.ca/pub/EBS/solaris_64/SUNWebsm/reloc/share/man/man3/
[DIR]  ftp://ftp.unb.ca/pub/EBS/solaris_x86/SUNWebsm/reloc/share/man/man3/
[DIR]  ftp://ftp.unb.ca/pub/EBS7.2_hotfix/Solaris/116831-02/SUNWebsm/reloc/share/man/man3/
[DIR]  ftp://ftp.unb.ca/pub/EBS7.2_hotfix/Solaris/116832-02/SUNWebsm/reloc/share/man/man3/
[DIR]  ftp://ftp.unb.ca/pub/EBS7.2_hotfix/Solaris/LGTOman/reloc/share/man/man3/
[DIR]  ftp://ftp.unb.ca/pub/SolsticeBackup/SUNWebsm/reloc/share/man/man3/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/docs/LuCaS/Paginas-manual/man-pages-es-1.28/man3/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/docs/LuCaS/Paginas-manual/man-pages-es-extra-0.8a/man3/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/dviware/dvi2bitmap/doc_libdvi2bitmap/man/man3/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/Docs/LuCaS/Paginas-manual/man-pages-es-1.28/man3/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/Docs/LuCaS/Paginas-manual/man-pages-es-extra-0.8a/man3/
[DIR]  ftp://ftp.x.org/pub/unsupported/doc/PHIGS/man3/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/gir/people/daa/debian/manpages-ru/manpages-ru-0.98/man3/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/dviware/dvi2bitmap/doc_libdvi2bitmap/man/man3/
[DIR]  ftp://ftp.diku.dk/diku/image/software/ImDiku/image/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/librpc/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/share/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040711.1811/leftovers-sun4u/usr/pkg/lib/perl5/site_perl/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040711.1811/leftovers-sun4u/usr/pkg/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040716.0710/leftovers-sun4u/usr/pkg/lib/perl5/site_perl/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040716.0710/leftovers-sun4u/usr/pkg/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040716.0710/leftovers-sun4u/usr/pkg/share/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/dmcmahill/pkgstat/2004-04-25-alpha/leftovers-alpha/usr/pkg/lib/perl5/site_perl/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/dmcmahill/pkgstat/2004-04-25-alpha/leftovers-alpha/usr/pkg/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040121/leftovers-sun4u/usr/pkg/lib/perl5/site_perl/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040121/leftovers-sun4u/usr/pkg/share/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040131/leftovers-sun4u/usr/pkg/lib/perl5/site_perl/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040131/leftovers-sun4u/usr/pkg/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/share/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/share/man/man3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/external/bsd/openldap/dist/doc/man/man3/
[DIR]  ftp://ftp.mcs.vuw.ac.nz/_mnt/pub/packages/X/R5/mit/doc/extensions/PEX/SI/PHIGS/man3/
[DIR]  ftp://ftp.uni-koeln.de/tex/dviware/dvi2bitmap/doc_libdvi2bitmap/man/man3/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/2.0/en/os/i386/trees/fsstnd/usr/local/man/man3/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/2.0/en/os/i386/trees/fsstnd/usr/man/man3/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/latex/dante/dviware/dvi2bitmap/doc_libdvi2bitmap/man/man3/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-3.3/source/d/man3/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/lib/librpc/man/man3/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/share/man/man3/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/textproc/p5-WDDX/work/WDDX-1.01/blib/man3/
[DIR]  ftp://ftp.pf.jcu.cz/mnt/fis/fis-usr/athena/man/man3/
[DIR]  ftp://ftp.pf.jcu.cz/mnt/fis/fis-usr/lib/perl5/man/man3/
[DIR]  ftp://ftp.pf.jcu.cz/mnt/fis/fis-usr/local/man/man3/
[DIR]  ftp://ftp.pf.jcu.cz/mnt/fis/fis-usr/man/man3/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/X11/unsupported/doc/PHIGS/man3/
[DIR]  ftp://debella.aszi.sztaki.hu/pub/mirrors/ftp.fsmlabs.com/pub/rtlinux/v2/rtlinux-2.0/rtl/html/man/man3/
[DIR]  ftp://debella.aszi.sztaki.hu/pub/mirrors/ftp.fsmlabs.com/pub/rtlinux/v2/rtlinux-2.0/rtl/man/man3/