#define NULLABLE(x) do { \

if (x == Py_None) { \

x = NULL; \

} \

} while (0);

#define RETURN_INT(value) do { \

int _ret = (value); \

if (_ret == -1) { \

assert(PyErr_Occurred()); \

return NULL; \

} \

assert(!PyErr_Occurred()); \

return PyLong_FromLong(_ret); \

} while (0)

#define RETURN_SIZE(value) do { \

Py_ssize_t _ret = (value); \

if (_ret == -1) { \

assert(PyErr_Occurred()); \

return NULL; \

} \

assert(!PyErr_Occurred()); \

return PyLong_FromSsize_t(_ret); \

} while (0)

static const char uninitialized[] = "uninitialized";

#define UNINITIALIZED_PTR ((void *)uninitialized)

#define UNINITIALIZED_SIZE ((Py_ssize_t)236892191)

#define UNINITIALIZED_INT (63256717)