76 lines
2.9 KiB
HTML
76 lines
2.9 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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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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<link rel="stylesheet" href="lib/v35.css" type="text/css" />
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<link rel="stylesheet" href="lib/layout2v35.css" type="text/css" />
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<script type="text/javascript" src="lib/asciidoc.js"></script>
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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>recv</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>ssize_t recv(int fd, void* buf, size_t n, int flags);</pre>
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</div></div>
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<div class="paragraph"><p>Reads <span class="monospaced">n</span> bytes from the socket <span class="monospaced">fd</span>, and places the result in <span class="monospaced">buf</span>. Returns the number of bytes read, or
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the negation of the error code on error. It is possible for the number of bytes read to be smaller than the number
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of bytes requested.</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">If the system call is interrupted, this function will return <span class="monospaced">-EINTR</span>. This differs from most C runtimes,
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where <span class="monospaced">-1</span> is returned with <span class="monospaced">errno</span> set to <span class="monospaced">EINTR</span>. As this runtime does not have <span class="monospaced">errno</span>, callers should check
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for <span class="monospaced">-EINTR</span> and a result less than zero in the error checking code.</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="recv_all.html">recv_all</a>,
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<a href="recvfrom.html">recvfrom</a>,
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<a href="send.html">send</a>,
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<a href="send_all.html">send_all</a>,
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<a href="send_string.html">send_string</a>,
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<a href="sendto.html">sendto</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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