std::fgetwc
Min standard notice:
Header: <cwchar>
Reads the next wide character from the given input stream. getwc() may be implemented as a macro and may evaluate stream more than once.
# Declarations
std::wint_t fgetwc( std::FILE* stream );
std::wint_t getwc( std::FILE* stream );
# Parameters
stream: to read the wide character from
# Return value
The next wide character from the stream or WEOF if an error has occurred or the end of file has been reached. If an encoding error occurred, errno is set to EILSEQ.