pub unsafe extern "C" fn vl_msg_api_trace_save(
am: *mut api_main_t,
which: vl_api_trace_which_t,
fp: *mut FILE,
is_json: u8_,
) -> c_intpub unsafe extern "C" fn vl_msg_api_trace_save(
am: *mut api_main_t,
which: vl_api_trace_which_t,
fp: *mut FILE,
is_json: u8_,
) -> c_int