PCRESection: C Library Functions (3) |
NAME
PCRE - Perl-compatible regular expressionsSYNOPSIS
#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_NEWLINE Value of the newline character
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)
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.