From 02c2c53f5c41ff46301da9a58bdf76b51aa555c0 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Thu, 30 Dec 1993 07:49:15 +0000
Subject: [PATCH] (read_avail_input): Turn O_NDELAY off on DGUX as on USG.

---
 src/keyboard.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/keyboard.c b/src/keyboard.c
index 640d5b77522..2b85c37d569 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -3170,9 +3170,9 @@ read_avail_input (expected)
 	}
 
 #ifndef FIONREAD
-#ifdef USG
+#if defined (USG) || defined (DGUX)
       fcntl (fileno (stdin), F_SETFL, 0);
-#endif /* USG */
+#endif /* USG or DGUX */
 #endif /* no FIONREAD */
       for (i = 0; i < nread; i++)
 	{
-- 
2.39.5