1 files changed, 1 insertions, 3 deletions
diff --git a/libio/ioungetc.c b/libio/ioungetc.c
index 8553399131..7f1fdafb32 100644
--- a/libio/ioungetc.c
+++ b/libio/ioungetc.c
@@ -27,9 +27,7 @@
 #include "libioP.h"
 
 int
-_IO_ungetc (c, fp)
-     int c;
-     _IO_FILE *fp;
+_IO_ungetc (int c, _IO_FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);