-output into the buffer {\it buf} of the size {\it n} (in wide characters, not
-bytes). If {\it buf} is {\tt NULL}, nothing is written to it but the length of
-the string which would result from the conversion is calculated and returned.
+output into the buffer {\it outputBuf} of the maximum size {\it outputSize} (in wide
+characters, not bytes). If {\it outputBuf} is {\tt NULL}, only the length of the
+string which would result from the conversion is calculated and returned.