/[pcre]/code/trunk/doc/pcre_copy_named_substring.3
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Contents of /code/trunk/doc/pcre_copy_named_substring.3

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Revision 1055 - (show annotations)
Tue Oct 16 15:53:30 2012 UTC (7 years ago) by chpe
File size: 1778 byte(s)
pcre32: Add 32-bit library

Create libpcre32 that operates on 32-bit characters (UTF-32).

This turned out to be surprisingly simple after the UTF-16 support
was introduced; mostly just extra ifdefs and adjusting and adding
some tests.
1 .TH PCRE_COPY_NAMED_SUBSTRING 3 "24 June 2012" "PCRE 8.30"
2 .SH NAME
3 PCRE - Perl-compatible regular expressions
4 .SH SYNOPSIS
5 .rs
6 .sp
7 .B #include <pcre.h>
8 .PP
9 .SM
10 .B int pcre_copy_named_substring(const pcre *\fIcode\fP,
11 .ti +5n
12 .B const char *\fIsubject\fP, int *\fIovector\fP,
13 .ti +5n
14 .B int \fIstringcount\fP, const char *\fIstringname\fP,
15 .ti +5n
16 .B char *\fIbuffer\fP, int \fIbuffersize\fP);
17 .PP
18 .B int pcre16_copy_named_substring(const pcre16 *\fIcode\fP,
19 .ti +5n
20 .B PCRE_SPTR16 \fIsubject\fP, int *\fIovector\fP,
21 .ti +5n
22 .B int \fIstringcount\fP, PCRE_SPTR16 \fIstringname\fP,
23 .ti +5n
24 .B PCRE_UCHAR16 *\fIbuffer\fP, int \fIbuffersize\fP);
25 .PP
26 .B int pcre32_copy_named_substring(const pcre32 *\fIcode\fP,
27 .ti +5n
28 .B PCRE_SPTR32 \fIsubject\fP, int *\fIovector\fP,
29 .ti +5n
30 .B int \fIstringcount\fP, PCRE_SPTR32 \fIstringname\fP,
31 .ti +5n
32 .B PCRE_UCHAR32 *\fIbuffer\fP, int \fIbuffersize\fP);
33 .
34 .SH DESCRIPTION
35 .rs
36 .sp
37 This is a convenience function for extracting a captured substring, identified
38 by name, into a given buffer. The arguments are:
39 .sp
40 \fIcode\fP Pattern that was successfully matched
41 \fIsubject\fP Subject that has been successfully matched
42 \fIovector\fP Offset vector that \fBpcre[16|32]_exec()\fP used
43 \fIstringcount\fP Value returned by \fBpcre[16|32]_exec()\fP
44 \fIstringname\fP Name of the required substring
45 \fIbuffer\fP Buffer to receive the string
46 \fIbuffersize\fP Size of buffer
47 .sp
48 The yield is the length of the substring, PCRE_ERROR_NOMEMORY if the buffer was
49 too small, or PCRE_ERROR_NOSUBSTRING if the string name is invalid.
50 .P
51 There is a complete description of the PCRE native API in the
52 .\" HREF
53 \fBpcreapi\fP
54 .\"
55 page and a description of the POSIX API in the
56 .\" HREF
57 \fBpcreposix\fP
58 .\"
59 page.

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