53 lines
1.5 KiB
Groff
53 lines
1.5 KiB
Groff
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.TH PCRE_COPY_SUBSTRING 3 "24 June 2012" "PCRE 8.30"
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.SH NAME
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PCRE - Perl-compatible regular expressions
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.SH SYNOPSIS
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.rs
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.sp
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.B #include <pcre.h>
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.PP
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.SM
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.B int pcre_copy_substring(const char *\fIsubject\fP, int *\fIovector\fP,
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.ti +5n
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.B int \fIstringcount\fP, int \fIstringnumber\fP, char *\fIbuffer\fP,
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.ti +5n
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.B int \fIbuffersize\fP);
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.PP
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.B int pcre16_copy_substring(PCRE_SPTR16 \fIsubject\fP, int *\fIovector\fP,
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.ti +5n
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.B int \fIstringcount\fP, int \fIstringnumber\fP, PCRE_UCHAR16 *\fIbuffer\fP,
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.ti +5n
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.B int \fIbuffersize\fP);
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.PP
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.B int pcre32_copy_substring(PCRE_SPTR32 \fIsubject\fP, int *\fIovector\fP,
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.ti +5n
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.B int \fIstringcount\fP, int \fIstringnumber\fP, PCRE_UCHAR32 *\fIbuffer\fP,
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.ti +5n
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.B int \fIbuffersize\fP);
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.
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.SH DESCRIPTION
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.rs
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.sp
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This is a convenience function for extracting a captured substring into a given
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buffer. The arguments are:
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.sp
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\fIsubject\fP Subject that has been successfully matched
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\fIovector\fP Offset vector that \fBpcre[16|32]_exec()\fP used
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\fIstringcount\fP Value returned by \fBpcre[16|32]_exec()\fP
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\fIstringnumber\fP Number of the required substring
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\fIbuffer\fP Buffer to receive the string
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\fIbuffersize\fP Size of buffer
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.sp
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The yield is the length of the string, PCRE_ERROR_NOMEMORY if the buffer was
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too small, or PCRE_ERROR_NOSUBSTRING if the string number is invalid.
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.P
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There is a complete description of the PCRE native API in the
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.\" HREF
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\fBpcreapi\fP
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.\"
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page and a description of the POSIX API in the
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.\" HREF
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\fBpcreposix\fP
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.\"
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page.
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