Files
Landon Curt Noll a1c86c8a7a add original C links to entry navigation bars
The navigation bar for a winning entry now has a "_Original C_" link
(between the ✅ and the Inventory on the right hand side) so that one
may easily view the original C code that was submitted for IOCCC judging.

Ran `make www timestamp` to perform the above.
2025-08-10 12:46:23 -07:00

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<h1>The International Obfuscated C Code Contest</h1>
<h2>2014/endoh1 - Most square (YODA Award)</h2>
<h3>QR encoder</h3>
</div>
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<div class="navbar">
<a class="Left" href="../deak/index.html">&larr; 2014/deak</a>
<a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
<a class="Left" href="../endoh2/index.html">2014/endoh2 &rarr;</a>
<a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/prog.c">C code</a>
<a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/Makefile">Makefile</a>
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<a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2014%2Fendoh1%2Findex.html">&#x2713;</a>
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<h2 id="author">Author:</h2>
<ul>
<li>Name: <a href="../../authors.html#Yusuke_Endoh">Yusuke Endoh</a><br>
Location: <a href="../../location.html#JP">JP</a> - <em>Japan</em></li>
</ul>
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<h2 id="to-build">To build:</h2>
<pre><code> make</code></pre>
<h2 id="to-use">To use:</h2>
<pre><code> ./prog &gt; foo.c</code></pre>
<h2 id="try">Try:</h2>
<pre><code> ./try.sh</code></pre>
<p>The script will ask you if you wish to run <code>make rake</code> but this is not necessary
to fully enjoy the entry. <code>make rake</code> will run the <a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/rake.sh">rake.sh</a> script and
then <code>prog</code> if all is built okay. If <code>rake</code> is not installed then it will check
that <code>gem</code> is installed. If <code>gem</code> is not installed it will tell you where to get
it and then tell you how to install <code>rake</code>. Otherwise, if <code>rake</code> is installed it
will try running <code>rake</code> and if that fails to run it will tell you to run a
<code>gem</code> command as either root or via sudo and then to try running <code>make rake</code> or
<code>./rake.sh</code> again. If <code>rake</code> succeeds it will run <code>./prog</code> which can be used to
build <code>main.c</code>.</p>
<p>What is the difference between running <code>./prog</code> and <code>main</code>?</p>
<h2 id="judges-remarks">Judges’ remarks:</h2>
<p>Big terminals with tiny fonts have their uses in certain cases.
One of them is:</p>
<pre><code> make treacl
./treacl</code></pre>
<p>which is shorthand for:</p>
<pre><code> ./prog &lt; prog.c &gt; treacle.c
make treacle
./treacle</code></pre>
<p>When using a smartphone to read the output, you may need to
step back to see the bigger picture because that picture is worth
more than 1000 words.</p>
<h2 id="authors-remarks">Author’s remarks:</h2>
<h3 id="remarks">Remarks</h3>
<p>You may want to use a large display with a very small terminal font.</p>
<h3 id="notice-to-those-who-wish-for-a-greater-challenge">NOTICE to those who wish for a greater challenge:</h3>
<p><strong>If you want a greater challenge, don’t read any further</strong>:
just try to understand the program via the source.</p>
<p>If you get stuck, come back and read below for additional hints and information.</p>
<h3 id="quiner-code-generator">Q(uine)R code generator</h3>
<p>See <a href="quine-qr.html">quine-qr.html</a>.</p>
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<div id="inventory">
<h1 id="inventory-for-2014endoh1">Inventory for 2014/endoh1</h1>
</div>
<h2 id="primary-files">Primary files</h2>
<ul>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/prog.c">prog.c</a> - entry source code</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/Makefile">Makefile</a> - entry Makefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/prog.orig.c">prog.orig.c</a> - original source code</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/Rakefile">Rakefile</a> - Ruby Makefile</li>
<li><a href="quine-qr.html">quine-qr.html</a> - information about Q(uine)R code generator</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/rake.sh">rake.sh</a> - make rake script</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/try.sh">try.sh</a> - script to try entry</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/alpha.rb">alpha.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/assemble.rb">assemble.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/ast-def.rb">ast-def.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/gen-prog.rb">gen-prog.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/gen-table.rb">gen-table.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/link.rb">link.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/machine.rb">machine.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/parse.rb">parse.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/prog-tmpl.c">prog-tmpl.c</a> - source code template used by gen-prog</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/register.rb">register.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/serialize.rb">serialize.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/src.rb">src.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/tool.rb">tool.rb</a> - support program for Rakefile</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/vm.c">vm.c</a> - source code of the VM</li>
</ul>
<h2 id="secondary-files">Secondary files</h2>
<ul>
<li><a href="2014_endoh1.tar.bz2">2014_endoh1.tar.bz2</a> - download entry tarball</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/README.md">README.md</a> - markdown source for this web page</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/.entry.json">.entry.json</a> - entry summary and manifest in JSON</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/.path">.path</a> - directory path from top level directory</li>
<li><a href="https://github.com/ioccc-src/winner/blob/master/2014/endoh1/quine-qr.md">quine-qr.md</a> - markdown source for deobfuscation.html</li>
<li><a href="index.html">index.html</a> - this web page</li>
</ul>
<hr style="width:10%;text-align:left;margin-left:0">
<h4>
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<div id="coda"><h3>Coda</h3>
<p>
<a href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2014%2Fendoh1%2Findex.html" rel="nofollow">Nu HTML check this web page</a><br>
<a href="#top">Jump to top</a> <a href="#content">Jump to Content</a> <a href="#inventory">Jump to Inventory</a><br>
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