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<html>
<head>
<title>pcre_fullinfo specification</title>
</head>
<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
<h1>pcre_fullinfo 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 <pcre.h></b>
</P>
<P>
<b>int pcre_fullinfo(const pcre *<i>code</i>, const pcre_extra *<i>extra</i>,</b>
<b>int <i>what</i>, void *<i>where</i>);</b>
</P>
<br><b>
DESCRIPTION
</b><br>
<P>
This function returns information about a compiled pattern. Its arguments are:
<pre>
<i>code</i> Compiled regular expression
<i>extra</i> Result of <b>pcre_study()</b> or NULL
<i>what</i> What information is required
<i>where</i> Where to put the information
</pre>
The following information is available:
<pre>
PCRE_INFO_BACKREFMAX Number of highest back reference
PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
PCRE_INFO_DEFAULT_TABLES Pointer to default tables
PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or
-1 for start of string
or after newline, or
-2 otherwise
PCRE_INFO_FIRSTTABLE Table of first bytes (after studying)
PCRE_INFO_JCHANGED Return 1 if (?J) or (?-J) was used
PCRE_INFO_LASTLITERAL Literal last byte required
PCRE_INFO_MINLENGTH Lower bound length of matching strings
PCRE_INFO_NAMECOUNT Number of named subpatterns
PCRE_INFO_NAMEENTRYSIZE Size of name table entry
PCRE_INFO_NAMETABLE Pointer to name table
PCRE_INFO_OKPARTIAL Return 1 if partial matching can be tried
(always returns 1 after release 8.00)
PCRE_INFO_OPTIONS Option bits used for compilation
PCRE_INFO_SIZE Size of compiled pattern
PCRE_INFO_STUDYSIZE Size of study data
</pre>
The yield of the function is zero on success or:
<pre>
PCRE_ERROR_NULL the argument <i>code</i> was NULL
the argument <i>where</i> was NULL
PCRE_ERROR_BADMAGIC the "magic number" was not found
PCRE_ERROR_BADOPTION the value of <i>what</i> was invalid
</PRE>
</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>