karampin@Gauss:~$ apt-cache showpkg libc6-i386
Package: libc6-i386
Versions:
2.3.6.ds1-13etch5(/var/lib/apt/lists/ftp.ntua.gr_pub_linux_debian_dists_etch_main_binary-amd64_Packages)
2.3.6.ds1-13(/var/lib/apt/lists/Debian%20GNU_Linux%204.0%20r0%20%5fEtch%5f%20-%20Official%20amd64%20DVD%20Binary-1%202007 0407-12:15_dists_etch_main_binary-amd64_Packages)(/var/lib/dpkg/status)

Reverse Depends:
  nspluginwrapper,libc6-i386 2.3.5-1
  xorg-driver-fglrx,libc6-i386 2.3.5-1
  lsb-core,libc6-i386
  libc6-dev-i386,libc6-i386 2.3.6.ds1-13etch5
  lib32ssp0,libc6-i386 2.3.6-7
  lib32readline5,libc6-i386
  lib32objc1,libc6-i386 2.3.6-7
  lib32mudflap0,libc6-i386 2.3.6-7
  lib32gfortran1,libc6-i386 2.3.6-7
  lib32g2c0,libc6-i386 2.3.5-10
  lib32ffi4,libc6-i386 2.3.6-7
  lib32bz2-1.0,libc6-i386
  lib32ncurses5,libc6-i386 2.3.5-1
  lib32asound2,libc6-i386 2.3.5-1
  ia32-libs,libc6-i386 2.3.6-2
  lib32gcc1,libc6-i386 2.3.6-7
  lsb-core,libc6-i386
Dependencies:
2.3.6.ds1-13etch5 - libc6 (5 2.3.6.ds1-13etch5) ia32-libs (1 1.5) libc6-dev-i386 (0 (null))
2.3.6.ds1-13 - libc6 (5 2.3.6.ds1-13) ia32-libs (1 1.5) libc6-dev-i386 (0 (null))
Provides:
2.3.6.ds1-13etch5 -
2.3.6.ds1-13 -
Reverse Provides: