[u]
- u64to8_le
- u8to64_le
- u_int
- u_long
- u_quad_t
- u_short
- ubf_for_loop_dlsym
- ubf_handle
- ubf_pthread_cond_signal
- ubf_select
- ubf_threads_empty
- ubf_wakeup_all_threads
- ubf_wakeup_thread
- udp_arg
- udp_bind
- udp_bind_internal
- udp_connect
- udp_connect_internal
- udp_init
- udp_recvfrom_nonblock
- udp_send
- udp_send_arg
- udp_send_internal
- uint128_t
- uint32_t
- uint64_t
- uint8_t
- uint_to_str
- uintptr_t
- uleb128
- ulong_to_num_plus_1
- umethod_bind
- uncaught_throw_init
- uncaught_throw_tag
- uncaught_throw_to_s
- uncaught_throw_value
- undef
- undef_mesg
- undef_mesg_for
- undef_print
- undefine_final
- undefined
- undefined_error
- undumpable
- unescape_escaped_nonascii
- unescape_nonascii
- unescape_unicode_bmp
- unescape_unicode_list
- ungetc
- unicode_iconv
- unicode_iconv_combine
- unicode_to_jis_common
- unicode_to_jis_common2
- uniname2ctype
- uniname2ctype_hash
- uniname2ctype_p
- uniname2ctype_pool
- uniname2ctype_pool_t
- uniname2ctype_struct
- uninit_genrand
- uninitialized_constant
- union_sockaddr
- universal_newline
- universal_newline_finish
- universal_newline_infos
- universal_newline_init
- universal_newline_offsets
- unix_accept
- unix_accept_nonblock
- unix_addr
- unix_init
- unix_path
- unix_peeraddr
- unix_recv_io
- unix_recvfrom
- unix_s_socketpair
- unix_send_io
- unix_svr_init
- unix_sysaccept
- unixsock_arg
- unixsock_connect_internal
- unixtime_to_filetime
- unixtime_to_systemtime
- unknown_keyword_error
- unknown_longjmp_status
- unlink
- unlink_body
- unlink_internal
- unlink_rescue
- unlink_undef
- unlock_safe_array
- unnamed_parameters
- unp_fe
- unp_fe_i
- unp_fec
- unp_fec_i
- unpack_entries
- unref_destination
- unregister_sym
- unregister_ubf_list
- unset_addr_list_add
- unset_addr_list_end
- unset_addr_list_fix
- unset_addr_list_init
- unsetenv
- unsigned_clock_t
- unsigned_time_t
- unsupported_encoding
- unswitch_mime_getc
- upcase
- updateOptions
- update_arg
- update_callback_arg
- update_char_offset
- update_coverage
- update_encoding_table
- update_func
- update_func_arg
- update_i
- update_string_node_case_fold
- update_timespec
- update_timeval
- upper_hexdigits
- url_getc
- url_ungetc
- url_unreserved_char
- us_ascii_mbc_enc_len
- usage
- usage_analysis_insn_stop
- usage_analysis_operand_stop
- usage_analysis_register_stop
- uscore_get
- use_cached_thread
- usec2subsecx
- user_length_in_path
- username_completion_proc_call
- using_module_recursive
- using_refinement
- usr_alloc
- usr_dumper
- usr_init
- usr_loader
- usr_size
- usr_value
- utc_offset_arg
- utf16be_code_to_mbc
- utf16be_code_to_mbclen
- utf16be_get_case_fold_codes_by_str
- utf16be_is_mbc_ambiguous
- utf16be_is_mbc_newline
- utf16be_left_adjust_char_head
- utf16be_mbc_case_fold
- utf16be_mbc_enc_len
- utf16be_mbc_to_code
- utf16le_code_to_mbc
- utf16le_code_to_mbclen
- utf16le_get_case_fold_codes_by_str
- utf16le_is_mbc_ambiguous
- utf16le_is_mbc_newline
- utf16le_left_adjust_char_head
- utf16le_mbc_case_fold
- utf16le_mbc_enc_len
- utf16le_mbc_to_code
- utf32_to_nkf_char
- utf32be_code_to_mbc
- utf32be_code_to_mbclen
- utf32be_get_case_fold_codes_by_str
- utf32be_is_mbc_ambiguous
- utf32be_is_mbc_newline
- utf32be_left_adjust_char_head
- utf32be_mbc_case_fold
- utf32be_mbc_enc_len
- utf32be_mbc_to_code
- utf32le_code_to_mbc
- utf32le_code_to_mbclen
- utf32le_get_case_fold_codes_by_str
- utf32le_is_mbc_ambiguous
- utf32le_is_mbc_newline
- utf32le_left_adjust_char_head
- utf32le_mbc_case_fold
- utf32le_mbc_enc_len
- utf32le_mbc_to_code
- utf8_islead
- utf8_to_uv
- utf8_to_wstr
- utf8_trailbyte
- utf_prefix
- utf_prefix_len
- utimbuf
- utime
- utime_args
- utime_failed
- utime_internal
- uwideint_t