From 1a0ad47f268b65ad2b7b131f3f735a69fe6da860 Mon Sep 17 00:00:00 2001
From: Andreas Jaeger <aj@suse.de>
Date: Sat, 29 Dec 2001 13:45:59 +0000
Subject: [PATCH] Include unistd.h for prototype of sleep.

---
 linuxthreads/Examples/ex18.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/linuxthreads/Examples/ex18.c b/linuxthreads/Examples/ex18.c
index 642f6b4..283396b 100644
--- a/linuxthreads/Examples/ex18.c
+++ b/linuxthreads/Examples/ex18.c
@@ -11,6 +11,7 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <pthread.h>
+#include <unistd.h>
 
 const int beatup_iterations = 10000;
 const int num_threads = 30;
-- 
2.7.4