ri               1755 ext/pcre/pcrelib/pcre_exec.c       recursion_info *ri;
ri               1766 ext/pcre/pcrelib/pcre_exec.c       for (ri = md->recursive; ri != NULL; ri = ri->prevrec)
ri               1767 ext/pcre/pcrelib/pcre_exec.c         if (recno == ri->group_num && eptr == ri->subject_position)