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

- r -

racp_handles : ble_gls_s
radio_cpu_mutex : ble_common_opt_t
rand : ble_gap_master_id_t
rd_auth : ble_gatts_attr_md_t
read : ble_gatt_char_props_t , ble_gatts_rw_authorize_reply_params_t , ble_gatts_evt_rw_authorize_request_t
read_perm : ble_gatts_attr_md_t , ble_srv_security_mode_t , ble_srv_cccd_security_mode_t
read_pos : app_fifo_t
read_resp : ble_hids_inp_rep_init_t , ble_hids_outp_rep_init_t , ble_hids_feature_rep_init_t
read_rsp : ble_gattc_evt_t
reason : ble_gap_evt_disconnected_t
received_pkt : ser_phy_hci_slip_evt_t
ref_handle : ble_hids_rep_char_t
rel_disc_rsp : ble_gattc_evt_t
reliable_wr : ble_gatt_char_ext_props_t
rep_index : ble_hids_char_id_t
rep_map : ble_hids_init_t
rep_map_ext_rep_ref_handle : ble_hids_s
rep_map_handles : ble_hids_s
rep_ref : ble_hids_inp_rep_init_t , ble_hids_outp_rep_init_t , ble_hids_feature_rep_init_t
rep_type : ble_hids_char_id_t
report_id : ble_srv_report_ref_t
report_ref_handle : ble_bas_s
report_type : ble_srv_report_ref_t
request : nrf_radio_signal_callback_return_param_t
request_type : nrf_radio_request_t
requested_latency : ble_gap_opt_local_conn_latency_t
reserved : ble_ans_alert_settings_t
reserved1 : SOFTDEVICE_INFORMATION_Type
reserved2 : SOFTDEVICE_INFORMATION_Type
response : ble_sc_ctrlpt_s
revision : ble_dfu_s , ble_dfu_init_t
rr_interval : ble_hrs_s
rr_interval_count : ble_hrs_s
rsc_feature_attr_md : ble_rscs_init_t
rsc_meas_attr_md : ble_rscs_init_t
rssi : ble_gap_evt_rssi_changed_t , nrf_gzll_device_tx_info_t , nrf_gzll_host_rx_info_t
rssi_changed : ble_gap_evt_t
rts_pin_no : app_uart_comm_params_t , app_uart_stream_comm_params_t
rx : ble_l2cap_evt_t
rx_amount : spi_slave_evt_t
rx_buf : app_uart_buffers_t
rx_buf_request : ser_phy_evt_t
rx_buf_size : app_uart_buffers_t
rx_pin_no : app_uart_comm_params_t , app_uart_stream_comm_params_t
rx_pkt_received : ser_phy_evt_t , ser_hal_transport_evt_t