C programs start out in the "C" locale, so just using fgetwc() won't work out of the box (or won't do what you expect it to do). You'll need to call setlocale(

C programs start out in the "C" locale, so just using fgetwc() won't work out of the box (or won't do what you expect it to do). You'll need to call setlocale("") to get the expected behavior.