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# Some classes and types are not export to _ctypes module directly.
import ctypes
from _ctypes import Structure, Union, _Pointer, Array, _SimpleCData, CFuncPtr
_CData = Structure.__base__
assert _CData.__name__ == "_CData"
class _X(Structure):
_fields_ = [("x", ctypes.c_int)]
CField = type(_X.x)
# metaclasses
PyCStructType = type(Structure)
UnionType = type(Union)
PyCPointerType = type(_Pointer)
PyCArrayType = type(Array)
PyCSimpleType = type(_SimpleCData)
PyCFuncPtrType = type(CFuncPtr)
# type flags
Py_TPFLAGS_DISALLOW_INSTANTIATION = 1 << 7
Py_TPFLAGS_IMMUTABLETYPE = 1 << 8