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libraries/spcre/libpcre/pcre/doc/pcre_config.3
author Tom Sutcliffe <thomas.sutcliffe@accenture.com>
Sat, 31 Jul 2010 19:07:57 +0100
changeset 23 092bcc217d9d
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permissions -rw-r--r--
Tidied iocli exports, build macro tweaks. Removed 4 overloads of CCommandBase::RunCommand[L] that are no longer used at all, and changed one more to not be exported as it's only used internally to iocli.dll. fixed builds on platforms that don't support btrace or any form of tracing.
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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