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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 <h1>pcre_config man page</h1>
7 <p>
8 Return to the <a href="index.html">PCRE index page</a>.
9 </p>
10 <p>
11 This page is part of the PCRE HTML documentation. It was generated automatically
12 from the original man page. If there is any nonsense in it, please consult the
13 man page, in case the conversion went wrong.
14 <br>
15 <br><b>
16 SYNOPSIS
17 </b><br>
18 <P>
19 <b>#include &#60;pcre.h&#62;</b>
20 </P>
21 <P>
22 <b>int pcre_config(int <i>what</i>, void *<i>where</i>);</b>
23 </P>
24 <P>
25 <b>int pcre16_config(int <i>what</i>, void *<i>where</i>);</b>
26 </P>
27 <br><b>
28 DESCRIPTION
29 </b><br>
30 <P>
31 This function makes it possible for a client program to find out which optional
32 features are available in the version of the PCRE library it is using. The
33 arguments are as follows:
34 <pre>
35 <i>what</i> A code specifying what information is required
36 <i>where</i> Points to where to put the data
37 </pre>
38 The <i>where</i> argument must point to an integer variable, except for
39 PCRE_CONFIG_MATCH_LIMIT and PCRE_CONFIG_MATCH_LIMIT_RECURSION, when it must
40 point to an unsigned long integer. The available codes are:
41 <pre>
42 PCRE_CONFIG_JIT Availability of just-in-time compiler
43 support (1=yes 0=no)
44 PCRE_CONFIG_LINK_SIZE Internal link size: 2, 3, or 4
45 PCRE_CONFIG_MATCH_LIMIT Internal resource limit
46 PCRE_CONFIG_MATCH_LIMIT_RECURSION
47 Internal recursion depth limit
48 PCRE_CONFIG_NEWLINE Value of the default newline sequence:
49 13 (0x000d) for CR
50 10 (0x000a) for LF
51 3338 (0x0d0a) for CRLF
52 -2 for ANYCRLF
53 -1 for ANY
54 PCRE_CONFIG_BSR Indicates what \R matches by default:
55 0 all Unicode line endings
56 1 CR, LF, or CRLF only
57 PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
58 Threshold of return slots, above which
59 <b>malloc()</b> is used by the POSIX API
60 PCRE_CONFIG_STACKRECURSE Recursion implementation (1=stack 0=heap)
61 PCRE_CONFIG_UTF16 Availability of UTF-16 support (1=yes
62 0=no); option for <b>pcre16_config()</b>
63 PCRE_CONFIG_UTF8 Availability of UTF-8 support (1=yes 0=no);
64 option for <b>pcre_config()</b>
65 PCRE_CONFIG_UNICODE_PROPERTIES
66 Availability of Unicode property support
67 (1=yes 0=no)
68 </pre>
69 The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise. That error
70 is also given if PCRE_CONFIG_UTF16 is passed to <b>pcre_config()</b> or if
71 PCRE_CONFIG_UTF8 is passed to <b>pcre16_config()</b>.
72 </P>
73 <P>
74 There is a complete description of the PCRE native API in the
75 <a href="pcreapi.html"><b>pcreapi</b></a>
76 page and a description of the POSIX API in the
77 <a href="pcreposix.html"><b>pcreposix</b></a>
78 page.
79 <p>
80 Return to the <a href="index.html">PCRE index page</a>.
81 </p>

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