bpf_kfunc_btf
struct bpf_kfunc_btf descs[MAX_KFUNC_BTFS];
const struct bpf_kfunc_btf *d0 = a;
const struct bpf_kfunc_btf *d1 = b;
struct bpf_kfunc_btf kf_btf = { .offset = offset };
struct bpf_kfunc_btf *b;