(CHISE_Feature): New type.

(CHISE_Feature): New type.
(chise_ds_get_feature): New prototype.
(chise_char_load_feature_value): Renamed from `chise_ft_get_value';
modify interface.
(chise_char_gets_feature_value): New prototype.
(chise_char_feature_value_iterate): Renamed from `chise_ft_iterate';
modify interface.
(chise_char_feature_str_iterate): New prototype.
(CHISE_CCS_Table): Renamed from `CHISE_Decoding_Table'.
(CHISE_CCS): New type.
(chise_ds_get_ccs): New prototype.
(chise_ccs_decode): Renamed from `chise_dt_get_char'.
(chise_ds_open_ccs_table): Renamed from
`chise_ds_open_decoding_table'.
(chise_ccst_close): Renamed from `chise_dt_close'.
(chise_ccst_put_char): Renamed from `chise_dt_put_char'.
(chise_decode_char): Deleted.
(chise_get_feature): Deleted.