Function fxaclient_ffi::fxa_get_current_device_id

#[no_mangle]pub extern "C" fn fxa_get_current_device_id(
    handle: u64, 
    error: &mut ExternError
) -> *mut c_char

Try to get the current device id from state.

If the system can't find it then it will return an error

Safety

A destructor [fxa_bytebuffer_free] is provided for releasing the memory for this pointer type.