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