ftp://ftp.gnome.org/cdimage/.debian-mirror/pool/main/c/  direct

[DIR]c-cpp-reference/  direct  370+ twin directories
[DIR]c-sig/  direct  330+ twin directories
[DIR]c2050/  direct  290+ twin directories
[DIR]c2man/  direct  350+ twin directories
[DIR]c2n/  direct  280+ twin directories
[DIR]cableswig/  direct  250+ twin directories
[DIR]cacti-spine/  direct  300+ twin directories
[DIR]cairo/  direct  850+ twin directories
[DIR]cairomm/  direct  490+ twin directories
[DIR]c++-annotations/  direct  240+ twin directories
[DIR]c-ares/  direct  350+ twin directories
[DIR]c2html/  direct  350+ twin directories
[DIR]ca-certificates/  direct  440+ twin directories
[DIR]cabber/  direct  290+ twin directories
[DIR]cabextract/  direct  700+ twin directories
[DIR]cacti-cactid/  direct  330+ twin directories
[DIR]cadaver/  direct  640+ twin directories
[DIR]cadubi/  direct  370+ twin directories
[DIR]cairo-5c/  direct  230+ twin directories
[DIR]cairo-clock/  direct  360+ twin directories
[DIR]cairo-java/  direct  330+ twin directories
[DIR]cairo-ocaml/  direct  250+ twin directories
[DIR]cairodevice/  direct  250+ twin directories
[DIR]cal3d/  direct  520+ twin directories
[DIR]calamaris/  direct  400+ twin directories
[DIR]calc/  direct  900+ twin directories
[DIR]calcoo/  direct  400+ twin directories
[DIR]calcurse/  direct  340+ twin directories
[DIR]calendar/  direct  950+ twin directories
[DIR]callgrind/  direct  310+ twin directories
[DIR]cam/  direct  530+ twin directories
[DIR]came/  direct  320+ twin directories
[DIR]camelbones/  direct  280+ twin directories
[DIR]cameleon/  direct  290+ twin directories
[DIR]camlrpc/  direct  280+ twin directories
[DIR]camlzip/  direct  330+ twin directories
[DIR]camomile/  direct  350+ twin directories
[DIR]camstream/  direct  330+ twin directories
[DIR]canna/  direct  470+ twin directories
[DIR]capi4hylafax/  direct  390+ twin directories
[DIR]capisuite/  direct  320+ twin directories
[DIR]cappuccino/  direct  290+ twin directories
[DIR]captury/  direct  270+ twin directories
[DIR]car/  direct  370+ twin directories
[DIR]cascades/  direct  290+ twin directories
[DIR]caspar/  direct  290+ twin directories
[DIR]casu/  direct  290+ twin directories
[DIR]catdvi/  direct  410+ twin directories
[DIR]cakephp-instaweb/  direct  230+ twin directories
[DIR]cal/  direct  520+ twin directories