ONIGENC_MBC_CASE_FOLD 3206 ext/mbstring/oniguruma/regcomp.c     len = ONIGENC_MBC_CASE_FOLD(reg->enc, reg->case_fold_flag, &p, end, buf);
ONIGENC_MBC_CASE_FOLD  988 ext/mbstring/oniguruma/regexec.c     len1 = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &s1, end1, buf1);
ONIGENC_MBC_CASE_FOLD  989 ext/mbstring/oniguruma/regexec.c     len2 = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &s2, end2, buf2);
ONIGENC_MBC_CASE_FOLD 1445 ext/mbstring/oniguruma/regexec.c 	len = ONIGENC_MBC_CASE_FOLD(encode,
ONIGENC_MBC_CASE_FOLD 1539 ext/mbstring/oniguruma/regexec.c 	  len = ONIGENC_MBC_CASE_FOLD(encode,
ONIGENC_MBC_CASE_FOLD 2780 ext/mbstring/oniguruma/regexec.c     lowlen = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &p, end, lowbuf);