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+{{keywords>wiki library source code example reference}}
+===== fwide =====
+   #include <wchar.h>
+   int fwide(FILE *stream, int mode);
+fwide shall determine the orientation of the stream pointed to by stream.
+=== return value ===
+greater than 0 if, after the call, the stream has wide-orientation\\
+less than 0 if the stream has byte-orientation\\
+if the stream has no orientation.\\
+===== C Sourcecode Example =====
+<code c>
+no example yet
+</code>
+==== output ====

on the occasion of the current invasion of Russia in Ukraine