pcre_refcount man page
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SYNOPSIS
#include <pcre.h>
int pcre_info(pcre *code, int adjust);
DESCRIPTION
This function is used to maintain a reference count inside a data block that
contains a compiled pattern. Its arguments are:
  
code                      Compiled regular expression
  
adjust                    Adjustment to reference value
The yield of the function is the adjusted reference value, which is constrained
to lie between 0 and 65535.
There is a complete description of the PCRE native API in the
pcreapi.htmlpcreapi page and a description of the POSIX API in the
pcreposix.htmlpcreposix page.
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