ONIGENC_ISO_8859_1_TO_LOWER_CASE   89 ext/mbstring/oniguruma/enc/iso8859_1.c     *lower = ONIGENC_ISO_8859_1_TO_LOWER_CASE(*p);
ONIGENC_ISO_8859_1_TO_LOWER_CASE  146 ext/mbstring/oniguruma/enc/utf16_be.c       *lower = ONIGENC_ISO_8859_1_TO_LOWER_CASE(*p);
ONIGENC_ISO_8859_1_TO_LOWER_CASE  148 ext/mbstring/oniguruma/enc/utf16_le.c       *lower = ONIGENC_ISO_8859_1_TO_LOWER_CASE(*p);
ONIGENC_ISO_8859_1_TO_LOWER_CASE  109 ext/mbstring/oniguruma/enc/utf32_be.c       *lower = ONIGENC_ISO_8859_1_TO_LOWER_CASE(*p);
ONIGENC_ISO_8859_1_TO_LOWER_CASE  105 ext/mbstring/oniguruma/enc/utf32_le.c       *lower++ = ONIGENC_ISO_8859_1_TO_LOWER_CASE(*p);