1PCRE_CONFIG(3) Library Functions Manual PCRE_CONFIG(3)
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6 PCRE - Perl-compatible regular expressions
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10 #include <pcre.h>
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12 int pcre_config(int what, void *where);
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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 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_POSIX_MALLOC_THRESHOLD
36 Threshold of return slots, above
37 which malloc() is used by
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39 PCRE_CONFIG_STACKRECURSE Recursion implementation (1=stack 0=heap)
40 PCRE_CONFIG_UTF8 Availability of UTF-8 support (1=yes 0=no)
41 PCRE_CONFIG_UNICODE_PROPERTIES
42 Availability of Unicode property support
43 (1=yes 0=no)
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45 The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
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47 There is a complete description of the PCRE native API in the pcreapi
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52 PCRE_CONFIG(3)