pcre_config(3)

NAME

       PCRE - Perl-compatible regular expressions

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 newline sequence:
                                       13 (0x000d)    for CR
                                       10 (0x000a)    for LF
                                     3338 (0x0d0a)    for CRLF
                                       -2             for ANYCRLF
                                       -1             for ANY
         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)