>>> class Struct(ctypes.Structure):
...     fields = [('a', ctypes.c_int16)]

>>> arr = (Struct*3)()

>>> np.ctypeslib.as_array(arr)
AttributeError: 'Struct' object has no attribute '__array_interface__'
# hmm

>>> pointer = ctypes.pointer(arr[0])
>>> np.ctypeslib.as_array(pointer, shape=(3,))
array([None, None, None], dtype=object)
# wat

>>> pointer_all = ctypes.pointer(arr)
>>> np.ctypeslib.as_array(pointer_all, shape=())
array(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', 
      dtype='|V24')
# wat