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<html>
<head>
<title>pcre_config specification</title>
</head>
<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
<h1>pcre_config man page</h1>

Return to the <a href="index.html">PCRE index page</a>.


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.
 
 
SYNOPSIS
 

#include &#60;pcre.h&#62;


int pcre_config(int what, void *where);


int pcre16_config(int what, void *where);


int pcre32_config(int what, void *where);

 
DESCRIPTION
 

This function makes it possible for a client program to find out which optional
features are available in the version of the PCRE library it is using. The
arguments are as follows:
<pre>
 what A code specifying what information is required
 where Points to where to put the data
</pre>
The where argument must point to an integer variable, except for
PCRE_CONFIG_MATCH_LIMIT and PCRE_CONFIG_MATCH_LIMIT_RECURSION, when it must
point to an unsigned long integer. The available codes are:
<pre>
 PCRE_CONFIG_JIT Availability of just-in-time compiler
 support (1=yes 0=no)
 PCRE_CONFIG_JITTARGET String containing information about the
 target architecture for the JIT compiler,
 or NULL if there is no JIT support
 PCRE_CONFIG_LINK_SIZE Internal link size: 2, 3, or 4
 PCRE_CONFIG_MATCH_LIMIT Internal resource limit
 PCRE_CONFIG_MATCH_LIMIT_RECURSION
 Internal recursion depth limit
 PCRE_CONFIG_NEWLINE Value of the default newline sequence:
 13 (0x000d) for CR
 10 (0x000a) for LF
 3338 (0x0d0a) for CRLF
 -2 for ANYCRLF
 -1 for ANY
 PCRE_CONFIG_BSR Indicates what \R matches by default:
 0 all Unicode line endings
 1 CR, LF, or CRLF only
 PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
 Threshold of return slots, above which
 malloc() is used by the POSIX API
 PCRE_CONFIG_STACKRECURSE Recursion implementation (1=stack 0=heap)
 PCRE_CONFIG_UTF16 Availability of UTF-16 support (1=yes
 0=no); option for pcre16_config()
 PCRE_CONFIG_UTF32 Availability of UTF-32 support (1=yes
 0=no); option for pcre32_config()
 PCRE_CONFIG_UTF8 Availability of UTF-8 support (1=yes 0=no);
 option for pcre_config()
 PCRE_CONFIG_UNICODE_PROPERTIES
 Availability of Unicode property support
 (1=yes 0=no)
</pre>
The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise. That error
is also given if PCRE_CONFIG_UTF16 or PCRE_CONFIG_UTF32 is passed to
pcre_config(), if PCRE_CONFIG_UTF8 or PCRE_CONFIG_UTF32 is passed to
pcre16_config(), or if PCRE_CONFIG_UTF8 or PCRE_CONFIG_UTF16 is passed to
pcre32_config().


There is a complete description of the PCRE native API in the
<a href="pcreapi.html">pcreapi</a>
page and a description of the POSIX API in the
<a href="pcreposix.html">pcreposix</a>
page.

Return to the <a href="index.html">PCRE index page</a>.

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