1 files changed, 1 insertions, 2 deletions
diff --git a/io/ttyname.c b/io/ttyname.c
index 6332d29916..f70ebd12f0 100644
--- a/io/ttyname.c
+++ b/io/ttyname.c
@@ -25,8 +25,7 @@ char *__ttyname = NULL;
 /* Return the pathname of the terminal FD is open on, or NULL on errors.
    The returned storage is good only until the next call to this function.  */
 char *
-ttyname (fd)
-     int fd;
+ttyname (int fd)
 {
   __set_errno (ENOSYS);
   return NULL;