btf_nr_types
u32 btf_nr_types(const struct btf *btf);
btf->start_id = btf_nr_types(base_btf);
for (i = last_id + 1, n = btf_nr_types(btf); i < n; i++) {
n = btf_nr_types(btf);
n = btf_nr_types(btf);
n = btf_nr_types(btf);
r = btf_nr_types(btf) - 1;
return btf_nr_types(btf);
err = btf_check_type_tags(env, btf, btf_nr_types(base_btf));
total = btf_nr_types(btf);
n = btf_nr_types(targ_btf);
n = btf_nr_types(btf);
#define btf__type_cnt btf_nr_types