Function sgx_oc::linux::ocall::copy_file_range

pub unsafe fn copy_file_range(
    fd_in: c_int,
    off_in: Option<&mut off64_t>,
    fd_out: c_int,
    off_out: Option<&mut off64_t>,
    len: size_t,
    flags: c_uint
) -> OCallResult<size_t>