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<html>
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<head>
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<title>pcre_fullinfo 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_fullinfo 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>int pcre_fullinfo(const pcre *<i>code</i>, const pcre_extra *<i>extra</i>,</b>
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<b>int <i>what</i>, void *<i>where</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 returns information about a compiled pattern. Its arguments are:
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<pre>
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<i>code</i> Compiled regular expression
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<i>extra</i> Result of <b>pcre_study()</b> or NULL
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<i>what</i> What information is required
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<i>where</i> Where to put the information
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</pre>
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The following information is available:
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<pre>
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PCRE_INFO_BACKREFMAX Number of highest back reference
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PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
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PCRE_INFO_DEFAULT_TABLES Pointer to default tables
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PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or
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-1 for start of string
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or after newline, or
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-2 otherwise
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PCRE_INFO_FIRSTTABLE Table of first bytes (after studying)
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PCRE_INFO_JCHANGED Return 1 if (?J) or (?-J) was used
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PCRE_INFO_LASTLITERAL Literal last byte required
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PCRE_INFO_NAMECOUNT Number of named subpatterns
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PCRE_INFO_NAMEENTRYSIZE Size of name table entry
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PCRE_INFO_NAMETABLE Pointer to name table
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PCRE_INFO_OKPARTIAL Return 1 if partial matching can be tried
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PCRE_INFO_OPTIONS Option bits used for compilation
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PCRE_INFO_SIZE Size of compiled pattern
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PCRE_INFO_STUDYSIZE Size of study data
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</pre>
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The yield of the function is zero on success or:
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<pre>
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PCRE_ERROR_NULL the argument <i>code</i> was NULL
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the argument <i>where</i> was NULL
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PCRE_ERROR_BADMAGIC the "magic number" was not found
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PCRE_ERROR_BADOPTION the value of <i>what</i> was invalid
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</PRE>
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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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