pub unsafe extern "C" fn vl_msg_api_trace_configure(
am: *mut api_main_t,
which: vl_api_trace_which_t,
nitems: u32_,
) -> c_intpub unsafe extern "C" fn vl_msg_api_trace_configure(
am: *mut api_main_t,
which: vl_api_trace_which_t,
nitems: u32_,
) -> c_int