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-rw-r--r--libgfortran/io/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libgfortran/io/io.h b/libgfortran/io/io.h
index e910fa58780..6774866745f 100644
--- a/libgfortran/io/io.h
+++ b/libgfortran/io/io.h
@@ -465,6 +465,8 @@ void empty_internal_buffer(stream *);
#define flush prefix(flush)
try flush (stream *);
+#define unit_to_fd prefix(unit_to_fd)
+int unit_to_fd (int);
/* unit.c */