Character Classification

In the character classification functions true is returned if the function evaluates to true.

Listing: Character Classification

template <class charT> bool isspace (charT c, const locale& loc);
template <class charT> bool isprint (charT c, const locale& loc);

template <class charT> bool iscntrl (charT c, const locale& loc);

template <class charT> bool isupper (charT c, const locale& loc);

template <class charT> bool islower (charT c, const locale& loc);

template <class charT> bool isalpha (charT c, const locale& loc);

template <class charT> bool isdigit (charT c, const locale& loc);

template <class charT> bool ispunct (charT c, const locale& loc);

template <class charT> bool isxdigit(charT c, const locale& loc);

template <class charT> bool isalnum (charT c, const locale& loc);

template <class charT> bool isgraph (charT c, const locale& loc);