ONIGENC_GET_CASE_FOLD_CODES_BY_STR 3387 regcomp.c          n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(reg->enc, reg->case_fold_flag,
ONIGENC_GET_CASE_FOLD_CODES_BY_STR 4369 regcomp.c        n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, case_fold_flag, p, end, items);