1 files changed, 5 insertions, 5 deletions
diff --git a/newlib/libc/stdio/setbuf.c b/newlib/libc/stdio/setbuf.c
index 15d09e0f3..1a8bc6de1 100644
--- a/newlib/libc/stdio/setbuf.c
+++ b/newlib/libc/stdio/setbuf.c
@@ -70,10 +70,10 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
 #include <stdio.h>
 #include "local.h"
 
-void
-_DEFUN (setbuf, (fp, buf),
-	FILE * fp _AND
-	char *buf)
+_VOID
+_DEFUN(setbuf, (fp, buf),
+       FILE * fp _AND
+       char *buf)
 {
-  (void) setvbuf (fp, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
+  _CAST_VOID setvbuf (fp, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
 }