PCRE2 - Perl-compatible regular expressions (revised API)
#include <pcre2.h>
int
pcre2_set_offset_limit(pcre2_match_context
*mcontext,
PCRE2_SIZE value);
This function sets the offset limit field in a match context. The result is always zero.
There is a complete description of the PCRE2 native API in the pcre2api page and a description of the POSIX API in the pcre2posix page.