lowlen           2776 ext/mbstring/oniguruma/regexec.c   int lowlen;
lowlen           2780 ext/mbstring/oniguruma/regexec.c     lowlen = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &p, end, lowbuf);
lowlen           2782 ext/mbstring/oniguruma/regexec.c     while (lowlen > 0) {
lowlen           2784 ext/mbstring/oniguruma/regexec.c       lowlen--;