static int big5_mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* lower) { return onigenc_mbn_mbc_case_fold(ONIG_ENCODING_BIG5, flag, pp, end, lower); }
static int euctw_mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* lower, OnigEncoding enc) { return onigenc_mbn_mbc_case_fold(enc, flag, pp, end, lower); }
static int gb18030_mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* lower) { return onigenc_mbn_mbc_case_fold(ONIG_ENCODING_GB18030, flag, pp, end, lower); }