diff --git a/icu4c/source/extra/ustdio/ustdio.h b/icu4c/source/extra/ustdio/ustdio.h
index 3323db28f8f..6e59242fc18 100644
--- a/icu4c/source/extra/ustdio/ustdio.h
+++ b/icu4c/source/extra/ustdio/ustdio.h
@@ -28,11 +28,14 @@
 #include <stdarg.h>
 
 #include "utypes.h"
+#include <ucnv.h>
 
 
 /** Forward declaration of a Unicode-aware file */
 typedef struct UFILE UFILE;
 
+
+
 /**
  * Open a UFILE.
  * A UFILE is a wrapper around a FILE* that is locale and codepage aware.
@@ -136,6 +139,13 @@ u_fsetcodepage(const char    *codepage,
            UFILE        *file);
 
 
+/**
+ * Returns an alias to the converter being used for this file.
+ * @param file The UFILE to set.
+ * @return alias to the converter
+ */
+CAPI UConverter *u_fgetConverter(UFILE *f);
+
 /* Output functions */
 
 /**