"Expose `Device` internals at the C level for other Cython modules"
cimport _comedilib_h
+from device_holder cimport DeviceHolder as _DeviceHolder
from instruction cimport Insn as _Insn
-cdef class Device (object):
- cdef _comedilib_h.comedi_t * device
+cdef class Device (_DeviceHolder):
cdef public object file
cdef public object filename