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libraries/spcre/libpcre/pcre/doc/pcre_config.3
author Tom Sutcliffe <thomas.sutcliffe@accenture.com>
Wed, 23 Jun 2010 15:52:26 +0100
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.TH PCRE_CONFIG 3
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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_config(int \fIwhat\fP, void *\fIwhere\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 function makes it possible for a client program to find out which optional
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features are available in the version of the PCRE library it is using. Its
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arguments are as follows:
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.sp
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  \fIwhat\fR     A code specifying what information is required
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  \fIwhere\fR    Points to where to put the data
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.sp
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The available codes are:
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.sp
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  PCRE_CONFIG_LINK_SIZE     Internal link size: 2, 3, or 4
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  PCRE_CONFIG_MATCH_LIMIT   Internal resource limit
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  PCRE_CONFIG_MATCH_LIMIT_RECURSION
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                            Internal recursion depth limit
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  PCRE_CONFIG_NEWLINE       Value of the default newline sequence:
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                                13 (0x000d)    for CR
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                                10 (0x000a)    for LF
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                              3338 (0x0d0a)    for CRLF
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                                -2             for ANYCRLF
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                                -1             for ANY
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  PCRE_CONFIG_BSR           Indicates what \eR matches by default:
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                                 0             all Unicode line endings
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                                 1             CR, LF, or CRLF only
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  PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
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                            Threshold of return slots, above
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                              which \fBmalloc()\fR is used by
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                              the POSIX API
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  PCRE_CONFIG_STACKRECURSE  Recursion implementation (1=stack 0=heap)
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  PCRE_CONFIG_UTF8          Availability of UTF-8 support (1=yes 0=no)
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  PCRE_CONFIG_UNICODE_PROPERTIES
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                            Availability of Unicode property support
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                              (1=yes 0=no)
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.sp
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The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
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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\fR
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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\fR
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.\"
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page.
FCL/sf/os/fshell