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