pub use libc::{c_int, c_void, close, ioctl, open, O_RDONLY};
pub use std::boxed::Box;
pub use std::io::Error;

// Defined in "occlum/deps/rust-sgx-sdk/sgx_types"
pub use sgx_types::{sgx_key_128bit_t, sgx_key_request_t};