73 lines
2.7 KiB
HTML
73 lines
2.7 KiB
HTML
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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<meta name="generator" content="AsciiDoc 8.6.9" />
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<title>Shellcode Compiler Runtime</title>
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</head>
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<body>
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<div id="layout-menu-box">
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<div id="layout-menu">
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<div>»<a href="index.html">Home</a></div>
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<div>»<a href="examples.html">Examples</a></div>
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<div>»<a href="scc.html">Invocation</a></div>
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<div>»<a href="runtime.html">Runtime Library</a></div>
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<div>»<a href="python.html">Python Bindings</a></div>
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<div>»<a href="issues.html">Known Issues</a></div>
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</div>
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</div>
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<div id="layout-content-box">
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<div id="layout-banner">
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<div id="layout-title">Shellcode Compiler</div>
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<div id="layout-description">A custom shellcode compiler for Binary Ninja</div>
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</div>
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<div id="layout-content">
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<div id="header">
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<h1>fcntl</h1>
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</div>
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<div id="content">
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<div id="preamble">
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<div class="sectionbody">
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<div class="listingblock">
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<div class="content monospaced">
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<pre>int fcntl(int fd, int cmd, size_t arg);</pre>
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</div></div>
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<div class="paragraph"><p>Issues a file descriptor command. The available commands vary by platform, but the most common commands, such as <span class="monospaced">F_SETFL</span>, are
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available on all platforms. Returns the result of the command, the meaning of which varies by the command sent.</p></div>
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<div class="admonitionblock">
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<table><tr>
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<td class="icon">
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<img src="./images/icons/important.png" alt="Important">
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</td>
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<td class="content">In the standard C runtime implementation of this function, the <span class="monospaced">arg</span> parameter is optional. This runtime always
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requires the third argument. For commands that do not need the <span class="monospaced">arg</span> parameter, it will be ignored. The <span class="monospaced">__undefined</span>
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intrinsic can be used for ignored parameters.</td>
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</tr></table>
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</div>
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</div>
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</div>
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<div class="sect1">
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<h2 id="_see_also">See also</h2>
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<div class="sectionbody">
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<div class="paragraph"><p><a href="dup2.html">dup2</a>,
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<a href="open.html">open</a>,
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<a href="pipe.html">pipe</a>,
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<a href="socket.html">socket</a></p></div>
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</div>
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</div>
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</div>
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<div id="footnotes"><hr /></div>
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</div>
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</div>
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</body>
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</html>
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