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-rw-r--r--man3/fflush.32
1 files changed, 1 insertions, 1 deletions
diff --git a/man3/fflush.3 b/man3/fflush.3
index 327786cef..2098bba08 100644
--- a/man3/fflush.3
+++ b/man3/fflush.3
@@ -25,7 +25,7 @@ Standard C library
.nf
.B #include <stdio.h>
.PP
-.BI "int fflush(FILE *" stream );
+.BI "int fflush(FILE *_Nullable " stream );
.fi
.SH DESCRIPTION
For output streams,