1PCRE_CONFIG(3)             Library Functions Manual             PCRE_CONFIG(3)
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NAME

6       PCRE - Perl-compatible regular expressions
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SYNOPSIS

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10       #include <pcre.h>
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12       int pcre_config(int what, void *where);
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DESCRIPTION

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16       This  function makes it possible for a client program to find out which
17       optional features are available in the version of the PCRE  library  it
18       is using. Its arguments are as follows:
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20         what     A code specifying what information is required
21         where    Points to where to put the data
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23       The available codes are:
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25         PCRE_CONFIG_LINK_SIZE     Internal link size: 2, 3, or 4
26         PCRE_CONFIG_MATCH_LIMIT   Internal resource limit
27         PCRE_CONFIG_MATCH_LIMIT_RECURSION
28                                   Internal recursion depth limit
29         PCRE_CONFIG_NEWLINE       Value of the default newline sequence:
30                                       13 (0x000d)    for CR
31                                       10 (0x000a)    for LF
32                                     3338 (0x0d0a)    for CRLF
33                                       -2             for ANYCRLF
34                                       -1             for ANY
35         PCRE_CONFIG_BSR           Indicates what \R matches by default:
36                                        0             all Unicode line endings
37                                        1             CR, LF, or CRLF only
38         PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
39                                   Threshold of return slots, above
40                                     which malloc() is used by
41                                     the POSIX API
42         PCRE_CONFIG_STACKRECURSE  Recursion implementation (1=stack 0=heap)
43         PCRE_CONFIG_UTF8          Availability of UTF-8 support (1=yes 0=no)
44         PCRE_CONFIG_UNICODE_PROPERTIES
45                                   Availability of Unicode property support
46                                     (1=yes 0=no)
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48       The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
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50       There  is  a complete description of the PCRE native API in the pcreapi
51       page and a description of the POSIX API in the pcreposix page.
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