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171 lines
7.4 KiB
HTML
171 lines
7.4 KiB
HTML
14 years ago
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html>
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<head>
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<title>Arduino - Long </title>
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<link rel="shortcut icon" type="image/x-icon" href="http://arduino.cc/en/favicon.png">
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<link rel='stylesheet' href='arduinoUno.css' type='text/css' />
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a.varlink { text-decoration:none; }
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--></style><script type="text/javascript">
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function toggle(obj) {
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</head>
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<body>
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<div id="page">
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<!--PageHeaderFmt-->
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<div id="pageheader">
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<div class="title"><a href='http://arduino.cc/en'>Arduino</a></div>
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<div class="search">
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<FORM method=GET action="http://www.google.com/search">
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<input type=hidden name=ie value=UTF-8>
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<input type=hidden name=oe value=UTF-8>
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<INPUT TYPE=text name=q size=25 maxlength=255 value="">
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<INPUT type=submit name=btnG VALUE="search">
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<input type=hidden name=domains value="http://www.arduino.cc/">
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<input type=hidden name=sitesearch value="http://www.arduino.cc/">
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</FORM>
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<!-- SiteSearch Google -->
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</div>
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</div>
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<!--PageLeftFmt-->
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<div id="pagenav">
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<div id="navbar">
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<p><a class='wikilink' href='http://arduino.cc/en/Main/Buy'>Buy</a>
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<a class='wikilink' href='http://arduino.cc/en/Main/Software'>Download</a>
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<a class='wikilink' href='Guide_index.html'>Getting Started</a>
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<a class='wikilink' href='http://arduino.cc/en/Tutorial/HomePage'>Learning</a>
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<a class='wikilink' href='index.html'>Reference</a>
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<a class='wikilink' href='http://arduino.cc/en/Main/Hardware'>Hardware</a>
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<a class='wikilink' href='FAQ.html'>FAQ</a>
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</p>
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<p class='vspace'></p>
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</div>
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<div id="navbar_external">
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<a class="urllink" href="http://www.arduino.cc/blog/" rel="nofollow">Blog »</a><a class="urllink" href="http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl" rel="nofollow">Forum »</a><a class="urllink" href="http://www.arduino.cc/playground/" rel="nofollow">Playground »</a>
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</div>
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</div>
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<!--/PageLeftFmt-->
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<div id="pagetext">
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<!--PageText-->
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<div id='wikitext'>
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<p><strong>Reference</strong> <a class='wikilink' href='index.html'>Language</a> | <a class='wikilink' href='Libraries.html'>Libraries</a> | <a class='wikilink' href='Comparison.html'>Comparison</a> | <a class='wikilink' href='Changes.html'>Changes</a>
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</p>
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<p class='vspace'></p><h1>long</h1>
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<h4>Description</h4>
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<p>Long variables are extended size variables for number storage, and store 32 bits (4 bytes), from -2,147,483,648 to 2,147,483,647.
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</p>
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<p class='vspace'></p><h4>Example</h4>
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<p class='vspace'></p><pre> long speedOfLight = 186000L; // see Integer Constants for explanation of the 'L'
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</pre>
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<p class='vspace'></p><h4>Syntax</h4>
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<pre> long var = val;
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</pre>
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<p class='vspace'></p><ul><li>var - the long variable name
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</li><li>val - the value assigned to the variable
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</li></ul><p class='vspace'></p><h4>See Also</h4>
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<ul><li><a class='wikilink' href='Byte.html'>byte</a>
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</li><li><a class='wikilink' href='Int.html'>int</a>
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</li><li><a class='wikilink' href='UnsignedInt.html'>unsigned int</a>
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</li><li><a class='wikilink' href='UnsignedLong.html'>unsigned long</a>
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</li><li><a class='wikilink' href='IntegerConstants.html'>Integer Constants</a>
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</li><li><a class='urllink' href='VariableDeclaration.html' rel='nofollow'>Variable Declaration</a>
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</li></ul><p class='vspace'></p><p><a class='wikilink' href='index.html'>Reference Home</a>
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</p>
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<p class='vspace'></p><p><em>Corrections, suggestions, and new documentation should be posted to the <a class='urllink' href='http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?board=swbugs' rel='nofollow'>Forum</a>.</em>
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</p>
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<p class='vspace'></p><p>The text of the Arduino reference is licensed under a
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<a class='urllink' href='http://creativecommons.org/licenses/by-sa/3.0/' rel='nofollow'>Creative Commons Attribution-ShareAlike 3.0 License</a>. Code samples in the reference are released into the public domain.
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</p>
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</div>
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<div class="addthis_container addthis_toolbox addthis_default_style" addthis:url="Long" addthis:title="Arduino Wiki English">
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©Arduino |
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<a href=.html'#'>Edit Page</a> | <a href='#'>Page History</a> | <a href='#' target='_blank'>Printable View</a> | <a href='http://arduino.cc/en/Site/AllRecentChanges'>All Recent Site Changes</a>
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