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d4de0e6f1e
I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
69 lines
2.1 KiB
HTML
69 lines
2.1 KiB
HTML
<html>
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<head>
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<title>pcre_study specification</title>
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</head>
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<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
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<h1>pcre_study man page</h1>
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<p>
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Return to the <a href="index.html">PCRE index page</a>.
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</p>
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<p>
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This page is part of the PCRE HTML documentation. It was generated automatically
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from the original man page. If there is any nonsense in it, please consult the
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man page, in case the conversion went wrong.
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<br>
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<br><b>
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SYNOPSIS
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</b><br>
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<P>
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<b>#include <pcre.h></b>
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</P>
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<P>
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<b>pcre_extra *pcre_study(const pcre *<i>code</i>, int <i>options</i>,</b>
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<b> const char **<i>errptr</i>);</b>
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<br>
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<br>
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<b>pcre16_extra *pcre16_study(const pcre16 *<i>code</i>, int <i>options</i>,</b>
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<b> const char **<i>errptr</i>);</b>
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<br>
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<br>
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<b>pcre32_extra *pcre32_study(const pcre32 *<i>code</i>, int <i>options</i>,</b>
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<b> const char **<i>errptr</i>);</b>
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</P>
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<br><b>
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DESCRIPTION
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</b><br>
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<P>
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This function studies a compiled pattern, to see if additional information can
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be extracted that might speed up matching. Its arguments are:
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<pre>
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<i>code</i> A compiled regular expression
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<i>options</i> Options for <b>pcre[16|32]_study()</b>
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<i>errptr</i> Where to put an error message
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</pre>
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If the function succeeds, it returns a value that can be passed to
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<b>pcre[16|32]_exec()</b> or <b>pcre[16|32]_dfa_exec()</b> via their <i>extra</i>
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arguments.
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</P>
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<P>
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If the function returns NULL, either it could not find any additional
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information, or there was an error. You can tell the difference by looking at
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the error value. It is NULL in first case.
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</P>
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<P>
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The only option is PCRE_STUDY_JIT_COMPILE. It requests just-in-time compilation
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if possible. If PCRE has been compiled without JIT support, this option is
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ignored. See the
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<a href="pcrejit.html"><b>pcrejit</b></a>
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page for further details.
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</P>
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<P>
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There is a complete description of the PCRE native API in the
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<a href="pcreapi.html"><b>pcreapi</b></a>
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page and a description of the POSIX API in the
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<a href="pcreposix.html"><b>pcreposix</b></a>
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page.
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<p>
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Return to the <a href="index.html">PCRE index page</a>.
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</p>
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