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+<html>
+<head>
+<title>pcre_study specification</title>
+</head>
+<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
+<h1>pcre_study man page</h1>
+<p>
+Return to the <a href="index.html">PCRE index page</a>.
+</p>
+<p>
+This page is part of the PCRE HTML documentation. It was generated automatically
+from the original man page. If there is any nonsense in it, please consult the
+man page, in case the conversion went wrong.
+<br>
+<br><b>
+SYNOPSIS
+</b><br>
+<P>
+<b>#include &#60;pcre.h&#62;</b>
+</P>
+<P>
+<b>pcre_extra *pcre_study(const pcre *<i>code</i>, int <i>options</i>,</b>
+<b>     const char **<i>errptr</i>);</b>
+<br>
+<br>
+<b>pcre16_extra *pcre16_study(const pcre16 *<i>code</i>, int <i>options</i>,</b>
+<b>     const char **<i>errptr</i>);</b>
+<br>
+<br>
+<b>pcre32_extra *pcre32_study(const pcre32 *<i>code</i>, int <i>options</i>,</b>
+<b>     const char **<i>errptr</i>);</b>
+</P>
+<br><b>
+DESCRIPTION
+</b><br>
+<P>
+This function studies a compiled pattern, to see if additional information can
+be extracted that might speed up matching. Its arguments are:
+<pre>
+  <i>code</i>       A compiled regular expression
+  <i>options</i>    Options for <b>pcre[16|32]_study()</b>
+  <i>errptr</i>     Where to put an error message
+</pre>
+If the function succeeds, it returns a value that can be passed to
+<b>pcre[16|32]_exec()</b> or <b>pcre[16|32]_dfa_exec()</b> via their <i>extra</i>
+arguments.
+</P>
+<P>
+If the function returns NULL, either it could not find any additional
+information, or there was an error. You can tell the difference by looking at
+the error value. It is NULL in first case.
+</P>
+<P>
+The only option is PCRE_STUDY_JIT_COMPILE. It requests just-in-time compilation
+if possible. If PCRE has been compiled without JIT support, this option is
+ignored. See the
+<a href="pcrejit.html"><b>pcrejit</b></a>
+page for further details.
+</P>
+<P>
+There is a complete description of the PCRE native API in the
+<a href="pcreapi.html"><b>pcreapi</b></a>
+page and a description of the POSIX API in the
+<a href="pcreposix.html"><b>pcreposix</b></a>
+page.
+<p>
+Return to the <a href="index.html">PCRE index page</a>.
+</p>