Twin directories of stdlib:

[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO_3R6/distribution/src/stdlib/
[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO_3R6/distribution/stdlib/
[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO_3R6/precompiled/solaris-2.3/stdlib/
[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO_3R6/precompiled/sun-4.1.3/stdlib/
[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO/precompiled/sun-4.1.3/stdlib/
[DIR]  ftp://ftp.linux.it/pub/mirrors/appunti/HTML/allegati/a2/os16/lib/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/sparc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/sparc64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/tools/regression/lib/libc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc_r/i386/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc_r/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/sparc64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/amd64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/arm/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/i386/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/ia64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/mips/mips/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/mips/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/mipseb/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/lib/libc/mipsel/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/arm/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/i386/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/ia64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/m68k/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/ns32k/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/powerpc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/powerpc64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/sh3/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/vax/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/arch/x86_64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/compat/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/lib/libc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/regress/lib/libc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/common/lib/libc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/arm/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/i386/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/ia64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/m68k/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/powerpc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/powerpc64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/sh3/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/vax/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/arch/x86_64/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/compat/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/lib/libc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/regress/lib/libc/stdlib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/common/lib/libc/stdlib/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/tools/regression/lib/libc/stdlib/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/lib/libc/alpha/stdlib/