pub unsafe extern "C" fn coap_new_oscore_recipient(
context: *mut coap_context_t,
recipient_id: *mut coap_bin_const_t,
) -> c_intpub unsafe extern "C" fn coap_new_oscore_recipient(
context: *mut coap_context_t,
recipient_id: *mut coap_bin_const_t,
) -> c_int