Man Page isxdigit.3

                       Standard C++ Library
             Copyright 1998, Rogue Wave Software, Inc.

NAME

     isxdigit

      - Determines whether a character is a hexadecimal digit.

SYNOPSIS

     #include <locale>

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

DESCRIPTION

     The isxdigit_function returns true if the  character  passed
     as  a  parameter is a hexadecimal digit. Otherwise the func-
     tion returns false.   The check  is  made  using  the  ctype
     facet from the locale parameter.

SEE ALSO

     Other 'is' functions, locale, ctype