diff --git a/Include/cpython/pylifecycle.h b/Include/cpython/pylifecycle.h
new file mode 100644
index 0000000..3009c4f
--- /dev/null
+++ b/Include/cpython/pylifecycle.h
@@ -0,0 +1,99 @@
+#ifndef Py_CPYTHON_PYLIFECYCLE_H
+#  error "this header file must not be included directly"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Only used by applications that embed the interpreter and need to
+ * override the standard encoding determination mechanism
+ */
+PyAPI_FUNC(int) Py_SetStandardStreamEncoding(const char *encoding,
+                                             const char *errors);
+
+/* PEP 432 Multi-phase initialization API (Private while provisional!) */
+
+PyAPI_FUNC(_PyInitError) _Py_InitializeCore(
+    PyInterpreterState **interp,
+    const _PyCoreConfig *);
+PyAPI_FUNC(int) _Py_IsCoreInitialized(void);
+
+
+PyAPI_FUNC(_PyInitError) _PyMainInterpreterConfig_Read(
+    _PyMainInterpreterConfig *config,
+    const _PyCoreConfig *core_config);
+PyAPI_FUNC(void) _PyMainInterpreterConfig_Clear(_PyMainInterpreterConfig *);
+PyAPI_FUNC(int) _PyMainInterpreterConfig_Copy(
+    _PyMainInterpreterConfig *config,
+    const _PyMainInterpreterConfig *config2);
+/* Used by _testcapi.get_main_config() */
+PyAPI_FUNC(PyObject*) _PyMainInterpreterConfig_AsDict(
+    const _PyMainInterpreterConfig *config);
+
+PyAPI_FUNC(_PyInitError) _Py_InitializeMainInterpreter(
+    PyInterpreterState *interp,
+    const _PyMainInterpreterConfig *);
+
+/* Initialization and finalization */
+
+PyAPI_FUNC(_PyInitError) _Py_InitializeFromConfig(
+    const _PyCoreConfig *config);
+PyAPI_FUNC(void) _Py_NO_RETURN _Py_FatalInitError(_PyInitError err);
+
+/* Py_PyAtExit is for the atexit module, Py_AtExit is for low-level
+ * exit functions.
+ */
+PyAPI_FUNC(void) _Py_PyAtExit(void (*func)(PyObject *), PyObject *);
+
+/* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL. */
+PyAPI_FUNC(void) _Py_RestoreSignals(void);
+
+PyAPI_FUNC(int) Py_FdIsInteractive(FILE *, const char *);
+
+PyAPI_FUNC(void) _Py_SetProgramFullPath(const wchar_t *);
+
+PyAPI_FUNC(const char *) _Py_gitidentifier(void);
+PyAPI_FUNC(const char *) _Py_gitversion(void);
+
+/* Internal -- various one-time initializations */
+PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);
+PyAPI_FUNC(_PyInitError) _PySys_BeginInit(PyObject **sysmod);
+PyAPI_FUNC(int) _PySys_EndInit(PyObject *sysdict, PyInterpreterState *interp);
+PyAPI_FUNC(_PyInitError) _PyImport_Init(PyInterpreterState *interp);
+PyAPI_FUNC(void) _PyExc_Init(PyObject * bltinmod);
+PyAPI_FUNC(_PyInitError) _PyImportHooks_Init(void);
+PyAPI_FUNC(int) _PyFloat_Init(void);
+PyAPI_FUNC(int) PyByteArray_Init(void);
+PyAPI_FUNC(_PyInitError) _Py_HashRandomization_Init(const _PyCoreConfig *);
+
+/* Various internal finalizers */
+
+PyAPI_FUNC(void) PyMethod_Fini(void);
+PyAPI_FUNC(void) PyFrame_Fini(void);
+PyAPI_FUNC(void) PyCFunction_Fini(void);
+PyAPI_FUNC(void) PyDict_Fini(void);
+PyAPI_FUNC(void) PyTuple_Fini(void);
+PyAPI_FUNC(void) PyList_Fini(void);
+PyAPI_FUNC(void) PySet_Fini(void);
+PyAPI_FUNC(void) PyBytes_Fini(void);
+PyAPI_FUNC(void) PyByteArray_Fini(void);
+PyAPI_FUNC(void) PyFloat_Fini(void);
+PyAPI_FUNC(void) PyOS_FiniInterrupts(void);
+PyAPI_FUNC(void) PySlice_Fini(void);
+PyAPI_FUNC(void) PyAsyncGen_Fini(void);
+
+PyAPI_FUNC(int) _Py_IsFinalizing(void);
+
+/* Random */
+PyAPI_FUNC(int) _PyOS_URandom(void *buffer, Py_ssize_t size);
+PyAPI_FUNC(int) _PyOS_URandomNonblock(void *buffer, Py_ssize_t size);
+
+/* Legacy locale support */
+PyAPI_FUNC(void) _Py_CoerceLegacyLocale(int warn);
+PyAPI_FUNC(int) _Py_LegacyLocaleDetected(void);
+PyAPI_FUNC(char *) _Py_SetLocaleFromEnv(int category);
+
+#ifdef __cplusplus
+}
+#endif