From 7733c95be8a9e93ae4398c13c721b334239780fe Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Thu, 16 Jun 2016 16:05:32 -0400
Subject: Initial cleanup

---
 unixio.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'unixio.c')

diff --git a/unixio.c b/unixio.c
index 6a7e0f0..5dd7843 100644
--- a/unixio.c
+++ b/unixio.c
@@ -39,6 +39,8 @@
   and strip it from inbound characters.
 */
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
 #include <sys/stat.h>
 #include <time.h>
 #include <errno.h>
@@ -143,8 +145,8 @@ int
 pktmode(short on) {
     if (ttyfd < 0)                      /* Device must be open */
       return(0);
-    system(on ? "stty raw -echo" : "stty sane"); /* Crude but effective */
-    return(1);
+    return (system(on ? "stty raw -echo" : "stty sane") /* Crude but effective */
+            ? 0 : 1);
 }
 
 
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