A_D_STR a_d_STR A_M_STR a_m_STR AD_STR ad_STR adbc_strings adbc_strings_long adjust_partial_year_to_2020 ADJUST_YEAR AM_STR am_STR ampm_strings ampm_strings_long asc_initcap asc_tolower asc_tolower_z asc_toupper asc_toupper_z B_C_STR b_c_STR BC_STR bc_STR CHECK_ERROR CLOCK_12_HOUR CLOCK_24_HOUR cstring2text datetime_to_char_body days_short DCH_CACHE_ENTRIES DCH_cache_fetch DCH_cache_getnew DCH_CACHE_OVERHEAD DCH_cache_search DCH_CACHE_SIZE DCH_DATED DCH_datetime_type DCH_FLAG DCH_from_char DCH_index DCH_keywords DCH_MAX_ITEM_SIZ DCH_poz DCH_prevent_counter_overflow DCH_S_FM DCH_S_SP DCH_S_TH DCH_S_th DCH_S_TM DCH_suff DCH_TIMED DCH_to_char DCH_to_char_fsec DCH_ZONED DCHCache DCHCounter DEFAULT_COLLATION_OID do_to_timestamp from_char_parse_int from_char_parse_int_len from_char_seq_search from_char_set_int from_char_set_mode FromCharDateMode get_th index_seq_search INVALID_FOR_INTERVAL is_next_separator is_separator_char KeyWord_INDEX_FILTER KeyWord_INDEX_SIZE MAX_MULTIBYTE_CHAR_LEN MAX_TZ_PARSE_LEN MEOSAdjustTimestampForTypmod months_full n_DCHCache NODE_TYPE_ACTION NODE_TYPE_CHAR NODE_TYPE_END NODE_TYPE_SEPARATOR NODE_TYPE_SPACE NUM_FLAG numTH numth P_M_STR p_m_STR parse_format pg_interval_to_char pg_timestamp_to_char pg_timestamptz_to_char pg_to_date pg_to_timestamp PM_STR pm_STR pnstrdup RETURN_ERROR rm1 rm10 rm100 rm_months_lower rm_months_upper S_FM S_SP S_TH S_th S_TH_TYPE S_THth S_TM scanner_isspace seq_search_ascii seq_search_localized SKIP_THth STD_FLAG str_initcap_z str_numth str_tolower_z str_toupper_z strspace_len suff_search SUFFTYPE_POSTFIX SUFFTYPE_PREFIX text2cstring TH_LOWER TH_UPPER TM_SUFFIX_LEN tmtcFsec tmtcTm tmtcTzn TmToChar ZERO_tm ZERO_tmfc ZERO_tmtc

MAX_MULTIBYTE_CHAR_LEN #define MAX_MULTIBYTE_CHAR_LEN   4