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1 <html>
2 <head>
3 <title>pcre_fullinfo 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_fullinfo(const pcre *<i>code</i>, const pcre_extra *<i>extra</i>,</b>
17 <b>int <i>what</i>, void *<i>where</i>);</b>
18 </P>
19 <br><b>
20 DESCRIPTION
21 </b><br>
22 <P>
23 This function returns information about a compiled pattern. Its arguments are:
24 </P>
25 <P>
26 <pre>
27 <i>code</i> Compiled regular expression
28 <i>extra</i> Result of <b>pcre_study()</b> or NULL
29 <i>what</i> What information is required
30 <i>where</i> Where to put the information
31 </PRE>
32 </P>
33 <P>
34 The following information is available:
35 </P>
36 <P>
37 <pre>
38 PCRE_INFO_BACKREFMAX Number of highest back reference
39 PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
40 PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or
41 -1 for start of string
42 or after newline, or
43 -2 otherwise
44 PCRE_INFO_FIRSTTABLE Table of first bytes
45 (after studying)
46 PCRE_INFO_LASTLITERAL Literal last byte required
47 PCRE_INFO_NAMECOUNT Number of named subpatterns
48 PCRE_INFO_NAMEENTRYSIZE Size of name table entry
49 PCRE_INFO_NAMETABLE Pointer to name table
50 PCRE_INFO_OPTIONS Options used for compilation
51 PCRE_INFO_SIZE Size of compiled pattern
52 </PRE>
53 </P>
54 <P>
55 The yield of the function is zero on success or:
56 </P>
57 <P>
58 <pre>
59 PCRE_ERROR_NULL the argument <i>code</i> was NULL
60 the argument <i>where</i> was NULL
61 PCRE_ERROR_BADMAGIC the "magic number" was not found
62 PCRE_ERROR_BADOPTION the value of <i>what</i> was invalid
63 </PRE>
64 </P>
65 <P>
66 There is a complete description of the PCRE API in the
67 <a href="pcreapi.html"><b>pcreapi</b></a>
68 page.

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