ONIGENC_ASCII_CODE_TO_LOWER_CASE  279 enc/emacs_mule.c     *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
ONIGENC_ASCII_CODE_TO_LOWER_CASE  208 enc/euc_jp.c       *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
ONIGENC_ASCII_CODE_TO_LOWER_CASE  189 enc/shift_jis.c     *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
ONIGENC_ASCII_CODE_TO_LOWER_CASE  171 enc/utf_16be.c     *fold   = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
ONIGENC_ASCII_CODE_TO_LOWER_CASE  163 enc/utf_16le.c     *fold++ = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
ONIGENC_ASCII_CODE_TO_LOWER_CASE  112 enc/utf_32be.c     *fold   = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*(p+3));
ONIGENC_ASCII_CODE_TO_LOWER_CASE  106 enc/utf_32le.c       *fold++ = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
ONIGENC_ASCII_CODE_TO_LOWER_CASE  388 enc/utf_8.c        *fold = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
ONIGENC_ASCII_CODE_TO_LOWER_CASE  808 encoding.c         return (ONIGENC_IS_ASCII_CODE(c)?ONIGENC_ASCII_CODE_TO_LOWER_CASE(c):(c));
ONIGENC_ASCII_CODE_TO_LOWER_CASE 1424 encoding.c         return rb_isascii(c) ? ONIGENC_ASCII_CODE_TO_LOWER_CASE(c) : c;
ONIGENC_ASCII_CODE_TO_LOWER_CASE  591 regenc.c         *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(**p);
ONIGENC_ASCII_CODE_TO_LOWER_CASE  697 regenc.c           *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);