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    Command:

    pcre_config

    
    
    

    SYNOPSIS

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

    DESCRIPTION

    
           This  function makes it possible for a client program to find out which
           optional features are available in the version of the PCRE  library  it
           is using. Its arguments are as follows:
    
             what     A code specifying what information is required
             where    Points to where to put the data
    
           The available codes are:
    
             PCRE_CONFIG_LINK_SIZE     Internal link size: 2, 3, or 4
             PCRE_CONFIG_MATCH_LIMIT   Internal resource limit
             PCRE_CONFIG_MATCH_LIMIT_RECURSION
                                       Internal recursion depth limit
             PCRE_CONFIG_NEWLINE       Value of the default newline sequence:
                                           13 (0x000d)    for CR
                                           10 (0x000a)    for LF
                                         3338 (0x0d0a)    for CRLF
                                           -2             for ANYCRLF
                                           -1             for ANY
             PCRE_CONFIG_BSR           Indicates what \R matches by default:
                                            0             all Unicode line endings
                                            1             CR, LF, or CRLF only
             PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
                                       Threshold of return slots, above
                                         which malloc() is used by
                                         the POSIX API
             PCRE_CONFIG_STACKRECURSE  Recursion implementation (1=stack 0=heap)
             PCRE_CONFIG_UTF8          Availability of UTF-8 support (1=yes 0=no)
             PCRE_CONFIG_UNICODE_PROPERTIES
                                       Availability of Unicode property support
                                         (1=yes 0=no)
    
           The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
    
           There is a complete description of the PCRE native API in  the  pcreapi
           page and a description of the POSIX API in the pcreposix page.
    
                                                                    PCRE_CONFIG(3)
    
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