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1 <html>
2 <head>
3 <title>pcre_config specification</title>
4 </head>
5 <body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
6 This HTML document has been generated automatically from the original man page.
7 If there is any nonsense in it, please consult the man page, in case the
8 conversion went wrong.<br>
9 <br><b>
10 SYNOPSIS
11 </b><br>
12 <P>
13 <b>#include &#60;pcre.h&#62;</b>
14 </P>
15 <P>
16 <b>int pcre_config(int <i>what</i>, void *<i>where</i>);</b>
17 </P>
18 <br><b>
19 DESCRIPTION
20 </b><br>
21 <P>
22 This function makes it possible for a client program to find out which optional
23 features are available in the version of the PCRE library it is using. Its
24 arguments are as follows:
25 </P>
26 <P>
27 <pre>
28 <i>what</i> A code specifying what information is required
29 <i>where</i> Points to where to put the data
30 </PRE>
31 </P>
32 <P>
33 The available codes are:
34 </P>
35 <P>
36 <pre>
37 PCRE_CONFIG_LINK_SIZE Internal link size: 2, 3, or 4
38 PCRE_CONFIG_MATCH_LIMIT Internal resource limit
39 PCRE_CONFIG_NEWLINE Value of the newline character
40 PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
41 Threshold of return slots, above
42 which <b>malloc()</b> is used by
43 the POSIX API
44 PCRE_CONFIG_UTF8 Availability of UTF-8 support
45 </PRE>
46 </P>
47 <P>
48 The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
49 </P>
50 <P>
51 There is a complete description of the PCRE native API in the
52 <a href="pcreapi.html"><b>pcreapi</b></a>
53 page, and a description of the POSIX API in the
54 <a href="pcreposix.html"><b>pcreposix</b></a>
55 page.

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