pub unsafe extern "C" fn vl_msg_api_trace_get(
am: *mut api_main_t,
which: vl_api_trace_which_t,
) -> *mut vl_api_trace_tpub unsafe extern "C" fn vl_msg_api_trace_get(
am: *mut api_main_t,
which: vl_api_trace_which_t,
) -> *mut vl_api_trace_t