*POINTER*(
type) This factory function creates and returns a new ctypes pointer type.
Pointer types are cached an reused internally, so calling this function
repeatedly is cheap. type must be a ctypes type.

   *pointer*( obj) This function creates a new pointer instance, pointing to
obj. The returned object is of the type POINTER(type(obj)).

Note: If you just want to pass a pointer to an object to a foreign function
call, you should use byref(obj) which is much faster.
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