root@padme:~# aptitude search '?source-package(glibc)'
p   eglibc-source                   - Embedded GNU C Library: sources
p   glibc-doc                       - Embedded GNU C Library: Documentation
p   glibc-doc-reference             - GNU C Library: Documentation
p   glibc-source                    - GNU C Library: sources
ciA libc-bin                        - Embedded GNU C Library: Binaries
p   libc-dev-bin                    - Embedded GNU C Library: Development binari
B   libc6                           - Embedded GNU C Library: Shared libraries
p   libc6-amd64                     - GNU C Library: 64bit Shared libraries for
p   libc6-dbg                       - Embedded GNU C Library: detached debugging
pB  libc6-dev                       - Embedded GNU C Library: Development Librar
p   libc6-dev-amd64                 - GNU C Library: 64bit Development Libraries
i   libc6-i686                      - GNU C Library: Shared libraries [i686 opti
p   libc6-pic                       - Embedded GNU C Library: PIC archive librar
p   libc6-prof                      - Embedded GNU C Library: Profiling Librarie
p   libc6-xen                       - GNU C Library: Shared libraries [Xen versi
i   locales                         - Embedded GNU C Library: National Language
p   locales-all                     - Embedded GNU C Library: Precompiled locale
p   nscd                            - Embedded GNU C Library: Name Service Cache