pub unsafe extern "C" fn coap_new_client_session_oscore_psk(
ctx: *mut coap_context_t,
local_if: *const coap_address_t,
server: *const coap_address_t,
proto: coap_proto_t,
psk_data: *mut coap_dtls_cpsk_t,
oscore_conf: *mut coap_oscore_conf_t,
) -> *mut coap_session_t