Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

- u -

u16 : be_uint16_t, be_uint32_t, be_uint64_t, ipv6_addr_t, le_uint16_t, le_uint32_t, le_uint64_t
u32 : be_uint32_t, be_uint64_t, gnrc_sixlowpan_frag_sfr_bitmap_t, ipv4_addr_t, ipv6_addr_t, le_uint32_t, le_uint64_t, netdev_ble_ctx_t
u64 : be_uint64_t, ipv6_addr_t, le_uint64_t
u8 : be_uint16_t, be_uint32_t, be_uint64_t, dhcpv6_duid_t, ipv4_addr_t, ipv6_addr_t, le_uint16_t, le_uint32_t, le_uint64_t, skald_uuid_t
uart : at_dev_init_t, at_dev_t, dfplayer, dfplayer_params_t, dose_params_t, dose_t, ethos_params_t, ethos_t, rn2xx3_params_t, sds011_params_t, slipdev_params_t, uart_conf_t, uart_half_duplex_params_t, xbee_params_t
UART0 : cc2538_sys_ctrl_t
UART1 : cc2538_sys_ctrl_t
uart_octet : dose_t
UARTCLKGDS : prcm_regs_t
UARTCLKGR : prcm_regs_t
UARTCLKGS : prcm_regs_t
UARTEN : cc2538_uart_t
udp : nanocoap_sock_t
udp_sock : sock_dtls
uhcp_magic : uhcp_hdr_t
UHS_AU_SIZE : sd_status_t, sdmmc_sd_status_t
UHS_SPEED_GRADE : sd_status_t, sdmmc_sd_status_t
uid_byte : mfrc522_uid_t
uint16 : eui64_t
uint32 : eui64_t
uint64 : eui64_t
uint8 : eui48_t, eui64_t
ulpi_af : dwc2_usb_otg_fshs_config_t
ulpi_clk : dwc2_usb_otg_fshs_config_t
ulpi_d0 : dwc2_usb_otg_fshs_config_t
ulpi_d1 : dwc2_usb_otg_fshs_config_t
ulpi_d2 : dwc2_usb_otg_fshs_config_t
ulpi_d3 : dwc2_usb_otg_fshs_config_t
ulpi_d4 : dwc2_usb_otg_fshs_config_t
ulpi_d5 : dwc2_usb_otg_fshs_config_t
ulpi_d6 : dwc2_usb_otg_fshs_config_t
ulpi_d7 : dwc2_usb_otg_fshs_config_t
ulpi_dir : dwc2_usb_otg_fshs_config_t
ulpi_nxt : dwc2_usb_otg_fshs_config_t
ulpi_stp : dwc2_usb_otg_fshs_config_t
umount : vfs_file_system_ops
UNDERRUN : sdmmc_card_status_t
unicoap_message_get_signal() : unicoap_message_t
unicoap_message_init() : unicoap_message_t
unicoap_message_init_empty() : unicoap_message_t
unicoap_message_init_string() : unicoap_message_t
unicoap_message_init_string_with_options() : unicoap_message_t
unicoap_message_init_with_options() : unicoap_message_t
unicoap_message_options_data() : unicoap_message_t
unicoap_message_options_size() : unicoap_message_t
unicoap_message_payload_append_chunk() : unicoap_message_t
unicoap_message_payload_copy() : unicoap_message_t
unicoap_message_payload_get() : unicoap_message_t
unicoap_message_payload_get_chunks() : unicoap_message_t
unicoap_message_payload_get_size() : unicoap_message_t
unicoap_message_payload_is_empty() : unicoap_message_t
unicoap_message_payload_make_contiguous() : unicoap_message_t
unicoap_message_payload_set() : unicoap_message_t
unicoap_message_payload_set_chunks() : unicoap_message_t
unicoap_message_set_signal() : unicoap_message_t
unicoap_options_add() : unicoap_options_t
unicoap_options_add_etag() : unicoap_options_t
unicoap_options_add_if_match() : unicoap_options_t
unicoap_options_add_location_path() : unicoap_options_t
unicoap_options_add_location_path_component() : unicoap_options_t
unicoap_options_add_location_path_component_string() : unicoap_options_t
unicoap_options_add_location_path_string() : unicoap_options_t
unicoap_options_add_location_queries() : unicoap_options_t
unicoap_options_add_location_queries_string() : unicoap_options_t
unicoap_options_add_location_query() : unicoap_options_t
unicoap_options_add_location_query_string() : unicoap_options_t
unicoap_options_add_string() : unicoap_options_t
unicoap_options_add_uint() : unicoap_options_t
unicoap_options_add_uri_path() : unicoap_options_t
unicoap_options_add_uri_path_component() : unicoap_options_t
unicoap_options_add_uri_path_component_string() : unicoap_options_t
unicoap_options_add_uri_path_string() : unicoap_options_t
unicoap_options_add_uri_queries() : unicoap_options_t
unicoap_options_add_uri_queries_string() : unicoap_options_t
unicoap_options_add_uri_query() : unicoap_options_t
unicoap_options_add_uri_query_string() : unicoap_options_t
unicoap_options_add_values_joined() : unicoap_options_t
unicoap_options_clear() : unicoap_options_t
unicoap_options_contains() : unicoap_options_t
unicoap_options_copy_location_path() : unicoap_options_t
unicoap_options_copy_location_queries() : unicoap_options_t
unicoap_options_copy_uri_path() : unicoap_options_t
unicoap_options_copy_uri_queries() : unicoap_options_t
unicoap_options_copy_value() : unicoap_options_t
unicoap_options_copy_values_joined() : unicoap_options_t
unicoap_options_data() : unicoap_options_t
unicoap_options_dump_all() : unicoap_options_t
unicoap_options_get() : unicoap_options_t
unicoap_options_get_accept() : unicoap_options_t
unicoap_options_get_block() : unicoap_options_t
unicoap_options_get_block1() : unicoap_options_t
unicoap_options_get_block2() : unicoap_options_t
unicoap_options_get_content_format() : unicoap_options_t
unicoap_options_get_first_etag() : unicoap_options_t
unicoap_options_get_first_if_match() : unicoap_options_t
unicoap_options_get_first_location_path_component() : unicoap_options_t
unicoap_options_get_first_location_query() : unicoap_options_t
unicoap_options_get_first_location_query_by_name() : unicoap_options_t
unicoap_options_get_first_uri_path_component() : unicoap_options_t
unicoap_options_get_first_uri_query() : unicoap_options_t
unicoap_options_get_first_uri_query_by_name() : unicoap_options_t
unicoap_options_get_if_none_match() : unicoap_options_t
unicoap_options_get_max_age() : unicoap_options_t
unicoap_options_get_next() : unicoap_options_iterator_t
unicoap_options_get_next_by_number() : unicoap_options_iterator_t
unicoap_options_get_next_etag() : unicoap_options_t
unicoap_options_get_next_if_match() : unicoap_options_t
unicoap_options_get_next_location_path_component() : unicoap_options_t
unicoap_options_get_next_location_query() : unicoap_options_t
unicoap_options_get_next_location_query_by_name() : unicoap_options_t
unicoap_options_get_next_query_by_name() : unicoap_options_iterator_t
unicoap_options_get_next_uri_path_component() : unicoap_options_t
unicoap_options_get_next_uri_query() : unicoap_options_t
unicoap_options_get_next_uri_query_by_name() : unicoap_options_t
unicoap_options_get_no_response() : unicoap_options_t
unicoap_options_get_observe() : unicoap_options_t
unicoap_options_get_proxy_scheme() : unicoap_options_t
unicoap_options_get_proxy_uri() : unicoap_options_t
unicoap_options_get_size1() : unicoap_options_t
unicoap_options_get_size2() : unicoap_options_t
unicoap_options_get_uint16() : unicoap_options_t
unicoap_options_get_uint24() : unicoap_options_t
unicoap_options_get_uint32() : unicoap_options_t
unicoap_options_get_uint8() : unicoap_options_t
unicoap_options_get_uri_host() : unicoap_options_t
unicoap_options_get_uri_port() : unicoap_options_t
unicoap_options_init() : unicoap_options_t
unicoap_options_iterator_init() : unicoap_options_iterator_t
unicoap_options_remove() : unicoap_options_t
unicoap_options_remove_accept() : unicoap_options_t
unicoap_options_remove_all() : unicoap_options_t
unicoap_options_remove_all_if_match() : unicoap_options_t
unicoap_options_remove_block1() : unicoap_options_t
unicoap_options_remove_block2() : unicoap_options_t
unicoap_options_remove_content_format() : unicoap_options_t
unicoap_options_remove_etags() : unicoap_options_t
unicoap_options_remove_location_path() : unicoap_options_t
unicoap_options_remove_location_queries() : unicoap_options_t
unicoap_options_remove_max_age() : unicoap_options_t
unicoap_options_remove_no_response() : unicoap_options_t
unicoap_options_remove_observe() : unicoap_options_t
unicoap_options_remove_proxy_scheme() : unicoap_options_t
unicoap_options_remove_proxy_uri() : unicoap_options_t
unicoap_options_remove_size1() : unicoap_options_t
unicoap_options_remove_size2() : unicoap_options_t
unicoap_options_remove_uri_host() : unicoap_options_t
unicoap_options_remove_uri_path() : unicoap_options_t
unicoap_options_remove_uri_port() : unicoap_options_t
unicoap_options_remove_uri_queries() : unicoap_options_t
unicoap_options_set() : unicoap_options_t
unicoap_options_set_accept() : unicoap_options_t
unicoap_options_set_block() : unicoap_options_t
unicoap_options_set_block1() : unicoap_options_t
unicoap_options_set_block2() : unicoap_options_t
unicoap_options_set_content_format() : unicoap_options_t
unicoap_options_set_if_none_match() : unicoap_options_t
unicoap_options_set_max_age() : unicoap_options_t
unicoap_options_set_no_response() : unicoap_options_t
unicoap_options_set_observe() : unicoap_options_t
unicoap_options_set_observe_generated() : unicoap_options_t
unicoap_options_set_proxy_scheme() : unicoap_options_t
unicoap_options_set_proxy_scheme_string() : unicoap_options_t
unicoap_options_set_proxy_uri() : unicoap_options_t
unicoap_options_set_proxy_uri_string() : unicoap_options_t
unicoap_options_set_size1() : unicoap_options_t
unicoap_options_set_size2() : unicoap_options_t
unicoap_options_set_string() : unicoap_options_t
unicoap_options_set_uint() : unicoap_options_t
unicoap_options_set_uri_host() : unicoap_options_t
unicoap_options_set_uri_host_string() : unicoap_options_t
unicoap_options_set_uri_port() : unicoap_options_t
unicoap_options_size() : unicoap_options_t
unicoap_options_swap_storage() : unicoap_options_t
unicoap_request_get_method() : unicoap_message_t
unicoap_request_init() : unicoap_message_t
unicoap_request_init_empty() : unicoap_message_t
unicoap_request_init_string() : unicoap_message_t
unicoap_request_init_string_with_options() : unicoap_message_t
unicoap_request_init_with_options() : unicoap_message_t
unicoap_request_set_method() : unicoap_message_t
unicoap_response_get_status() : unicoap_message_t
unicoap_response_init() : unicoap_message_t
unicoap_response_init_empty() : unicoap_message_t
unicoap_response_init_string() : unicoap_message_t
unicoap_response_init_string_with_options() : unicoap_message_t
unicoap_response_init_with_options() : unicoap_message_t
unicoap_response_set_status() : unicoap_message_t
unique_lock() : riot::unique_lock< Mutex >
unit : phydat_t, senml_attr_t
units : lwm2m_obj_ipso_sensor_base_args, lwm2m_obj_ipso_sensor_base_inst
units_len : lwm2m_obj_ipso_sensor_base_args
unlink : vfs_file_system_ops
unlock() : riot::mutex, riot::unique_lock< Mutex >
unused : icmpv6_error_dst_unr_t, icmpv6_error_time_exc_t, l3gxxxx_int_data_src_t, l3gxxxx_int_event_src_t
up : ctap_options_t, usb_desc_cdcecm_speed_t
update_time : senml_attr_t
updateVisual() : dsme::DSMEPlatform
upins : ina3221_params_t
urgent_ptr : tcp_hdr_t
url : nanocoap_fs_t
urlbuf : nanocoap_fs_dir_t, nanocoap_fs_file_t, nanocoap_fs_t, suit_manifest_t
urlbuf_len : suit_manifest_t
usage : psa_key_policy_s
usart_params : msp430_usart_spi_params_t, msp430_usart_uart_params_t
USB_IRQ_ACK : cc2538_gpio_t
usbdev : nrfusb_t, sam0_common_usb_t, stm32_usbdev_fs_t, usbdev_mock
usbus : usbus_cdcacm_device, usbus_cdcecm_device, usbus_dfu_device, usbus_hid_device, usbus_msc_device
usci_params : msp430_usci_spi_params_t, msp430_usci_uart_params_t
use_block_addr : sdcard_spi_t
use_count : universal_address_container_t
used : sock_tcp_queue, stm32_usbdev_fs_t, tlsf_size_container_t
user : ctap_make_credential_req_t, wifi_security_wpa_enterprise
user_cb : asymcute_con
user_crc : sam0_aux_cfg_mapping
user_ctx : nanocoap_fileserver_event_ctx_t
USER_ID : fcfg_regs_t
user_id : ctap_resident_key
user_id_len : ctap_resident_key
user_page : sam0_aux_cfg_mapping
user_pages : sam0_aux_cfg_mapping
user_ptr : u8x8_riotos_t, ucg_riotos_t
user_row_write_enable : sam0_aux_cfg_mapping
userinfo : uri_parser_result_t
userinfo_len : uri_parser_result_t
users : gnrc_pktsnip, ztimer_clock
usual : gnrc_sixlowpan_frag_sfr_stats_t
uv : ctap_options_t