protected: void __thiscall boost::iostreams::detail::zlib_base::before(char const * &, char const *, char * &, char *)

Mangled name

?before@zlib_base@detail@iostreams@boost@@IAEXAAPBDPBDAAPADPAD@Z

Exported by

size	filename	version
60416	boost_iostreams-vc110-mt-1_52.dll