btf_distill_func_proto
int btf_distill_func_proto(struct bpf_verifier_log *log,
if (btf_distill_func_proto(log, btf,
ret = btf_distill_func_proto(log, btf, t, tname, &tgt_info->fmodel);
ret = btf_distill_func_proto(log, btf, t, tname, &tgt_info->fmodel);
err = btf_distill_func_proto(&env->log, kfunc.btf, kfunc.proto, kfunc.name, &func_model);