Function safe_app::ffi::immutable_data::idata_write_to_self_encryptor

#[no_mangle]
pub unsafe extern "C" fn idata_write_to_self_encryptor(
    app: *const App, 
    se_h: SEWriterHandle, 
    data: *const u8, 
    data_len: usize, 
    user_data: *mut c_void, 
    o_cb: extern "C" fn(user_data: *mut c_void, result: *const FfiResult)
)

Write to Self Encryptor.