Here is a list of all struct and union fields with links to the structures/unions they belong to:

- u -

• unknown_resource : coap_context_t
• up : coap_ws_state_t
• uri_path : coap_lg_srcv_t, coap_resource_t
• used : coap_rblock_t
• used_size : coap_pdu_t
• user_data : coap_resource_t
• user_pin : coap_pki_key_pkcs11_t