bpf_find_btf_id
s32 bpf_find_btf_id(const char *name, u32 kind, struct btf **btf_p);
id = bpf_find_btf_id(__btf_name_by_offset(btf, t->name_off), BTF_INFO_KIND(t->info),
EXPORT_SYMBOL_GPL(bpf_find_btf_id);
ret = bpf_find_btf_id(name, kind, &btf);
id = bpf_find_btf_id(func_name, BTF_KIND_FUNC, btf_p);
bpf_cgroup_from_id_id = bpf_find_btf_id("bpf_cgroup_from_id", BTF_KIND_FUNC, &kfunc_btf);
bpf_cgroup_release_id = bpf_find_btf_id("bpf_cgroup_release", BTF_KIND_FUNC, &kfunc_btf);