71 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
<html>
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<head>
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<title>pcre_config 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_config 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_config(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 makes it possible for a client program to find out which optional
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features are available in the version of the PCRE library it is using. Its
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arguments are as follows:
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<pre>
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  <i>what</i>     A code specifying what information is required
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  <i>where</i>    Points to where to put the data
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</pre>
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The available codes are:
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<pre>
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  PCRE_CONFIG_LINK_SIZE     Internal link size: 2, 3, or 4
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  PCRE_CONFIG_MATCH_LIMIT   Internal resource limit
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  PCRE_CONFIG_MATCH_LIMIT_RECURSION
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                            Internal recursion depth limit
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  PCRE_CONFIG_NEWLINE       Value of the default newline sequence:
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                                13 (0x000d)    for CR
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                                10 (0x000a)    for LF
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                              3338 (0x0d0a)    for CRLF
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                                -2             for ANYCRLF
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                                -1             for ANY
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  PCRE_CONFIG_BSR           Indicates what \R matches by default:
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                                 0             all Unicode line endings
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                                 1             CR, LF, or CRLF only
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  PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
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                            Threshold of return slots, above
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                              which <b>malloc()</b> is used by
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                              the POSIX API
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  PCRE_CONFIG_STACKRECURSE  Recursion implementation (1=stack 0=heap)
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  PCRE_CONFIG_UTF8          Availability of UTF-8 support (1=yes 0=no)
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  PCRE_CONFIG_UNICODE_PROPERTIES
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                            Availability of Unicode property support
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                              (1=yes 0=no)
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</pre>
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The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
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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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