/[pcre]/code/trunk/doc/pcre_copy_substring.3
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revision 63 by nigel, Sat Feb 24 21:40:03 2007 UTC revision 99 by ph10, Tue Mar 6 12:27:42 2007 UTC
# Line 1  Line 1 
1  .TH PCRE 3  .TH PCRE_COPY_SUBSTRING 3
2  .SH NAME  .SH NAME
3  PCRE - Perl-compatible regular expressions  PCRE - Perl-compatible regular expressions
4  .SH SYNOPSIS  .SH SYNOPSIS
# Line 7  PCRE - Perl-compatible regular expressio Line 7  PCRE - Perl-compatible regular expressio
7  .B #include <pcre.h>  .B #include <pcre.h>
8  .PP  .PP
9  .SM  .SM
10  .br  .B int pcre_copy_substring(const char *\fIsubject\fP, int *\fIovector\fP,
 .B int pcre_copy_substring(const char *\fIsubject\fR, int *\fIovector\fR,  
11  .ti +5n  .ti +5n
12  .B int \fIstringcount\fR, int \fIstringnumber\fR, char *\fIbuffer\fR,  .B int \fIstringcount\fP, int \fIstringnumber\fP, char *\fIbuffer\fP,
13  .ti +5n  .ti +5n
14  .B int \fIbuffersize\fR);  .B int \fIbuffersize\fP);
15    .
16  .SH DESCRIPTION  .SH DESCRIPTION
17  .rs  .rs
18  .sp  .sp
19  This is a convenience function for extracting a captured substring into a given  This is a convenience function for extracting a captured substring into a given
20  buffer. The arguments are:  buffer. The arguments are:
21    .sp
22    \fIsubject\fR       Subject that has been successfully matched    \fIsubject\fP       Subject that has been successfully matched
23    \fIovector\fR       Offset vector that \fBpcre_exec()\fR used    \fIovector\fP       Offset vector that \fBpcre_exec()\fP used
24    \fIstringcount\fR   Value returned by \fBpcre_exec()\fR    \fIstringcount\fP   Value returned by \fBpcre_exec()\fP
25    \fIstringnumber\fR  Number of the required substring    \fIstringnumber\fP  Number of the required substring
26    \fIbuffer\fR        Buffer to receive the string    \fIbuffer\fP        Buffer to receive the string
27    \fIbuffersize\fR    Size of buffer    \fIbuffersize\fP    Size of buffer
28    .sp
29  The yield is the legnth of the string, PCRE_ERROR_NOMEMORY if the buffer was  The yield is the length of the string, PCRE_ERROR_NOMEMORY if the buffer was
30  too small, or PCRE_ERROR_NOSUBSTRING if the string number is invalid.  too small, or PCRE_ERROR_NOSUBSTRING if the string number is invalid.
31    .P
32  There is a complete description of the PCRE API in the  There is a complete description of the PCRE native API in the
33    .\" HREF
34    \fBpcreapi\fP
35    .\"
36    page and a description of the POSIX API in the
37  .\" HREF  .\" HREF
38  \fBpcreapi\fR  \fBpcreposix\fP
39  .\"  .\"
40  page.  page.

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