bpf_btf_get_info_by_fd
return bpf_btf_get_info_by_fd(fd_file(f), fd_file(f)->private_data, attr, uattr);
err = bpf_btf_get_info_by_fd(fd, &info, &len);
err = bpf_btf_get_info_by_fd(fd, &info, &len);
err = bpf_btf_get_info_by_fd(btf_fd, &btf_info, &len);
err = bpf_btf_get_info_by_fd(fd, &btf_info, &btf_len);
LIBBPF_API int bpf_btf_get_info_by_fd(int btf_fd, struct bpf_btf_info *info, __u32 *info_len);
err = bpf_btf_get_info_by_fd(btf_fd, &btf_info, &len);
err = bpf_btf_get_info_by_fd(btf_fd, &btf_info, &len);
err = bpf_btf_get_info_by_fd(fd, &info, &len);
err = bpf_btf_get_info_by_fd(fd, &info, &len);
err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len);
err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len);
err = bpf_btf_get_info_by_fd(btf_fd[0], &info[0], &info_len);
err = bpf_btf_get_info_by_fd(btf_fd[1], &info[1], &info_len);
err = bpf_btf_get_info_by_fd(btf_fd, &info, &info_len);
err = bpf_btf_get_info_by_fd(btf_fd, &info, &info_len);
err = bpf_btf_get_info_by_fd(fd, &btf_info, &btf_info_len);