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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 <h1>pcre_fullinfo 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>
17 </b><br>
18 <P>
19 <b>#include &#60;pcre.h&#62;</b>
20 </P>
21 <P>
22 <b>int pcre_fullinfo(const pcre *<i>code</i>, const pcre_extra *<i>extra</i>,</b>
23 <b>int <i>what</i>, void *<i>where</i>);</b>
24 </P>
25 <br><b>
27 </b><br>
28 <P>
29 This function returns information about a compiled pattern. Its arguments are:
30 <pre>
31 <i>code</i> Compiled regular expression
32 <i>extra</i> Result of <b>pcre_study()</b> or NULL
33 <i>what</i> What information is required
34 <i>where</i> Where to put the information
35 </pre>
36 The following information is available:
37 <pre>
38 PCRE_INFO_BACKREFMAX Number of highest back reference
39 PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
40 PCRE_INFO_DEFAULT_TABLES Pointer to default tables
41 PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or
42 -1 for start of string
43 or after newline, or
44 -2 otherwise
45 PCRE_INFO_FIRSTTABLE Table of first bytes (after studying)
46 PCRE_INFO_JCHANGED Return 1 if (?J) or (?-J) was used
47 PCRE_INFO_LASTLITERAL Literal last byte required
48 PCRE_INFO_NAMECOUNT Number of named subpatterns
49 PCRE_INFO_NAMEENTRYSIZE Size of name table entry
50 PCRE_INFO_NAMETABLE Pointer to name table
51 PCRE_INFO_OKPARTIAL Return 1 if partial matching can be tried
52 PCRE_INFO_OPTIONS Option bits used for compilation
53 PCRE_INFO_SIZE Size of compiled pattern
54 PCRE_INFO_STUDYSIZE Size of study data
55 </pre>
56 The yield of the function is zero on success or:
57 <pre>
58 PCRE_ERROR_NULL the argument <i>code</i> was NULL
59 the argument <i>where</i> was NULL
60 PCRE_ERROR_BADMAGIC the "magic number" was not found
61 PCRE_ERROR_BADOPTION the value of <i>what</i> was invalid
62 </PRE>
63 </P>
64 <P>
65 There is a complete description of the PCRE native API in the
66 <a href="pcreapi.html"><b>pcreapi</b></a>
67 page and a description of the POSIX API in the
68 <a href="pcreposix.html"><b>pcreposix</b></a>
69 page.
70 <p>
71 Return to the <a href="index.html">PCRE index page</a>.
72 </p>


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