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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>EOF</title><link rel="stylesheet" href="../../jargon.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.61.0"/><link rel="home" href="../index.html" title="The Jargon File"/><link rel="up" href="../E.html" title="E"/><link rel="previous" href="EOD.html" title="EOD"/><link rel="next" href="EOL.html" title="EOL"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">EOF</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="EOD.html">Prev</a> </td><th width="60%" align="center">E</th><td width="20%" align="right"> <a accesskey="n" href="EOL.html">Next</a></td></tr></table><hr/></div><dt><a id="EOF"/><dt xmlns="" id="EOF"><b>EOF</b>: <span xmlns="http://www.w3.org/1999/xhtml" class="pronunciation">/E·O·F/</span>, <span xmlns="http://www.w3.org/1999/xhtml" class="grammar">n.</span></dt></dt><dd><p> [abbreviation, &#8216;End Of File&#8217;]</p></dd><dd><p> 1. [techspeak] The <a href="../O/out-of-band.html"><i class="glossterm">out-of-band</i></a> value returned
by C's sequential character-input functions (and their equivalents in other
environments) when end of file has been reached. This value is usually
<tt class="constant">-1</tt> under C libraries postdating V6 Unix, but was
originally <tt class="constant">0</tt>. DOS hackers think EOF is ^Z, and a few
Amiga hackers think it's ^\. </p></dd><dd><p> 2. [Unix] The keyboard character (usually control-D, the ASCII EOT
(End Of Transmission) character) that is mapped by the terminal driver into
an end-of-file condition. </p></dd><dd><p> 3. Used by extension in non-computer contexts when a human is doing
something that can be modeled as a sequential read and can't go further.
&#8220;<span class="quote">Yeah, I looked for a list of 360 mnemonics to post as a joke, but I
hit EOF pretty fast; all the library had was a <a href="../J/JCL.html"><i class="glossterm">JCL</i></a>
manual.</span>&#8221; See also <a href="EOL.html"><i class="glossterm">EOL</i></a>.</p></dd><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="EOD.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="../E.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="EOL.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">EOD </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> EOL</td></tr></table></div></body></html>