/[pcre]/code/trunk/doc/pcre_config.3
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revision 63 by nigel, Sat Feb 24 21:40:03 2007 UTC revision 149 by ph10, Mon Apr 16 15:28:08 2007 UTC
# Line 1  Line 1 
1  .TH PCRE 3  .TH PCRE_CONFIG 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_config(int \fIwhat\fP, void *\fIwhere\fP);
11  .B int pcre_config(int \fIwhat\fR, void *\fIwhere\fR);  .
   
12  .SH DESCRIPTION  .SH DESCRIPTION
13  .rs  .rs
14  .sp  .sp
15  This function makes it possible for a client program to find out which optional  This function makes it possible for a client program to find out which optional
16  features are available in the version of the PCRE library it is using. Its  features are available in the version of the PCRE library it is using. Its
17  arguments are as follows:  arguments are as follows:
18    .sp
19    \fIwhat\fR     A code specifying what information is required    \fIwhat\fR     A code specifying what information is required
20    \fIwhere\fR    Points to where to put the data    \fIwhere\fR    Points to where to put the data
21    .sp
22  The available codes are:  The available codes are:
23    .sp
24    PCRE_CONFIG_LINK_SIZE    Internal link size: 2, 3, or 4    PCRE_CONFIG_LINK_SIZE     Internal link size: 2, 3, or 4
25    PCRE_CONFIG_MATCH_LIMIT  Internal resource limit    PCRE_CONFIG_MATCH_LIMIT   Internal resource limit
26    PCRE_CONFIG_NEWLINE      Value of the newline character    PCRE_CONFIG_MATCH_LIMIT_RECURSION
27                                Internal recursion depth limit
28      PCRE_CONFIG_NEWLINE       Value of the newline sequence:
29                                    13 (0x000d)    for CR
30                                    10 (0x000a)    for LF
31                                  3338 (0x0d0a)    for CRLF
32                                    -2             for ANYCRLF
33                                    -1             for ANY
34    PCRE_CONFIG_POSIX_MALLOC_THRESHOLD    PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
35                             Threshold of return slots, above                              Threshold of return slots, above
36                               which \fBmalloc()\fR is used by                                which \fBmalloc()\fR is used by
37                               the POSIX API                                the POSIX API
38    PCRE_CONFIG_UTF8         Availability of UTF-8 support    PCRE_CONFIG_STACKRECURSE  Recursion implementation (1=stack 0=heap)
39      PCRE_CONFIG_UTF8          Availability of UTF-8 support (1=yes 0=no)
40      PCRE_CONFIG_UNICODE_PROPERTIES
41                                Availability of Unicode property support
42                                  (1=yes 0=no)
43    .sp
44  The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.  The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
45    .P
46  There is a complete description of the PCRE native API in the  There is a complete description of the PCRE native API in the
47  .\" HREF  .\" HREF
48  \fBpcreapi\fR  \fBpcreapi\fR
49  .\"  .\"
50  page, and a description of the POSIX API in the  page and a description of the POSIX API in the
51  .\" HREF  .\" HREF
52  \fBpcreposix\fR  \fBpcreposix\fR
53  .\"  .\"
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