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+<title>fork function</title>
+<head>
+<script language="JavaScript">
+</script>
+</head>
+<body bgcolor="#ffffcc">
+<hr>
+<center>
+<h1>fork function </h1>
+</center>
+<hr>
+<b>fork</b> spawns a copy of the running process. The copy (or child) 
+has a copy of the parent process stack, data area and heap and starts 
+execution after the fork statement. fork is of use when you wish to 
+write daemon processes.
+<p>
+<hr>
+<center>
+<table border=2 width="80%" bgcolor="ivory">
+<tr>
+<td width="80%">
+<pre>
+
+	Library:   unistd.h
+
+	Prototype: pid_t fork(void);
+
+	Syntax:    pid_t PID
+
+                   PID = fork();
+</pre>
+</td>
+</tr>
+</table>
+</center>
+<p>
+On completion, PID will have one of the following values:
+
+<pre>
+ > 0 == the childs process ID.
+   0 == is returned to the child process.
+ < 0 == an error occoured. No child created, errno is set to 
+        indicate the problem
+</pre>
+<hr>
+<h2>Examples:</h2>
+
+<img src="../../GRAPHICS/computer.gif"><a href="../EXAMPLES/fork1.c"> example</a> 
+program.
+
+<hr>
+<h2>See Also:</h2>
+
+<img src="../../GRAPHICS/whiteball.gif">
+<a href="pipe.html">pipe function.</a><p>
+
+<img src="../../GRAPHICS/whiteball.gif">
+<a href="execl.html">execl function.</a><p>
+
+<img src="../../GRAPHICS/whiteball.gif">
+<a href="../glossary.html#threads">threads</a><p>
+
+
+<p>
+
+<hr>
+<p>
+<center>
+<table border=2 width="80%" bgcolor="ivory">
+<tr align=center>
+<td width="25%">
+<a href="../cref.html">                  Top</a>
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+<a href="../master_index.html">          Master Index</a>
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+<a href="../SYNTAX/keywords.html">                 Keywords</a>
+</td><td width="25%">
+<a href="funcref.htm">      Functions</a>
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+</table>
+</center>
+<p>
+<hr>
+<address>Martin Leslie 
+</address><p>
+</body>
+</html>