+/*
+int mblen( const char * s, size_t n );
+int mbtowc( wchar_t * _PDCLIB_restrict pwc, const char * _PDCLIB_restrict s, size_t n );
+int wctomb( char * s, wchar_t wc );
+size_t mbstowcs( wchar_t * _PDCLIB_restrict pwcs, const char * _PDCLIB_restrict s, size_t n );
+size_t wcstombs( char * _PDCLIB_restrict s, const wchar_t * _PDCLIB_restrict pwcs, size_t n );
+*/