steff@steff:~$ apt-cache search libstdc++
libgmp3-dev - Multiprecision arithmetic library developers tools
libstdc++5 - The GNU Standard C++ Library v3
libstdc++5-3.3-dev - The GNU Standard C++ Library v3 (development files)
libstdc++6 - The GNU Standard C++ Library v3
libstdc++6-4.1-dbg - The GNU Standard C++ Library v3 (debugging files)
libstdc++6-4.1-dev - The GNU Standard C++ Library v3 (development files)
libstdc++6-4.1-doc - The GNU Standard C++ Library v3 (documentation files)
libstdc++6-4.2-dbg - The GNU Standard C++ Library v3 (debugging files)
libstdc++6-4.2-dev - The GNU Standard C++ Library v3 (development files)
libstdc++6-4.2-doc - The GNU Standard C++ Library v3 (documentation files)
lib32stdc++6-4.1-dbg - The GNU Standard C++ Library v3 (debugging files)
lib32stdc++6-4.2-dbg - The GNU Standard C++ Library v3 (debugging files)
libstdc++5-3.3-dbg - The GNU Standard C++ Library v3 (debugging files)
libstdc++5-3.3-doc - The GNU Standard C++ Library v3 (documentation files)
libstdc++5-3.3-pic - The GNU Standard C++ Library v3 (shared library subset kit)
libstdc++6-4.1-pic - The GNU Standard C++ Library v3 (shared library subset kit)
libstdc++6-4.2-pic - The GNU Standard C++ Library v3 (shared library subset kit)
libstdc++6-dbg - The GNU Standard C++ Library v3 (debugging files)
libstdc++6-dev - The GNU Standard C++ Library v3 (development files)
libstdc++6-doc - The GNU Standard C++ Library v3 (documentation files)
libstdc++6-pic - The GNU Standard C++ Library v3 (shared library subset kit)