btf__fd            80 tools/lib/bpf/btf.h LIBBPF_API int btf__fd(const struct btf *btf);
btf__fd          2189 tools/lib/bpf/libbpf.c 			create_attr.btf_fd = btf__fd(obj->btf);
btf__fd          4262 tools/lib/bpf/libbpf.c 	return obj->btf ? btf__fd(obj->btf) : -1;