Name
isxdigit function template — Determines whether a character is a hexadecimal digit in
a locale
Synopsis
template <typename charT>
bool isxdigit(charT c, const locale& loc);
The isxdigit
function
determines whether the character c
is a hexadecimal digit in the locale
loc
. It returns the
following:
use_facet<ctype<charT> >(loc).is(ctype_base::xdigit, c)