test_btf
struct btf *test_btf = NULL, *expect_btf = NULL;
test_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
err = libbpf_get_error(test_btf);
err = btf__dedup(test_btf, &test->opts);
test_btf_data = btf__raw_data(test_btf, &test_btf_size);
off = btf__find_str(test_btf, expect_str_cur);
test_str_cur = btf__str_by_offset(test_btf, off);
test_nr_types = btf__type_cnt(test_btf);
test_type = btf__type_by_id(test_btf, i);
btf__free(test_btf);
.str_off = offsetof(struct test_btf, strings) -
offsetof(struct test_btf, types),
test_btf();