--- /dev/null
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+<link rel="stylesheet" href="style.css" type="text/css"/>
+<script src="code.js" type="text/javascript"></script>
+
+<h1>sleeptest.c</h1>
+
+<pre>
+int
+main (void)
+{
+ int i;
+
+ for (i = 0; i < 5; ++i) {
+ <b>busywork_2secs ();</b>
+ <b>sleep (6);</b>
+ }
+ return 0;
+}
+</pre>