std::ctype_base(3) Library Functions Manual std::ctype_base(3) NAME std::ctype_base - Base class for ctype. SYNOPSIS #include Inherited by std::__ctype_abstract_base< wchar_t >, std::__ctype_abstract_base< _CharT >, and std::ctype< char >. Public Types typedef const int * __to_type typedef unsigned short mask Static Public Attributes static const mask alnum static const mask alpha static const mask blank static const mask cntrl static const mask digit static const mask graph static const mask lower static const mask print static const mask punct static const mask space static const mask upper static const mask xdigit Detailed Description Base class for ctype. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::ctype_base(3)