Eryk Sun added the comment:
NoneType would have to be replaced with None in make_funcptrtype_dict() and
PyCFuncPtr_set_restype() in Modules/_ctypes/_ctypes.c. In the C API, NoneType
is (PyObject *)&_PyNone_Type.
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nosy: +eryksun
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Python
New submission from Thijs Miedema :
When setting the restype of a ctypes._FuncPtr you can use None to indicate a
void function. However, I use inspect.signature to dynamically bind python
functions to a DLL, and that doesn't return None but NoneType if the type hint
return type is None
