diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index 108b647..95bdf9e 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -16,9 +16,11 @@
 #define PyCF_ONLY_AST 0x0400
 #define PyCF_IGNORE_COOKIE 0x0800
 
+#ifndef Py_LIMITED_API
 typedef struct {
     int cf_flags;  /* bitmask of CO_xxx flags relevant to future */
 } PyCompilerFlags;
+#endif
 
 PyAPI_FUNC(void) Py_SetProgramName(wchar_t *);
 PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);
@@ -33,9 +35,10 @@
 PyAPI_FUNC(PyThreadState *) Py_NewInterpreter(void);
 PyAPI_FUNC(void) Py_EndInterpreter(PyThreadState *);
 
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(int) PyRun_SimpleStringFlags(const char *, PyCompilerFlags *);
 PyAPI_FUNC(int) PyRun_AnyFileFlags(FILE *, const char *, PyCompilerFlags *);
 PyAPI_FUNC(int) PyRun_AnyFileExFlags(FILE *, const char *, int, PyCompilerFlags *);
-PyAPI_FUNC(int) PyRun_SimpleStringFlags(const char *, PyCompilerFlags *);
 PyAPI_FUNC(int) PyRun_SimpleFileExFlags(FILE *, const char *, int, PyCompilerFlags *);
 PyAPI_FUNC(int) PyRun_InteractiveOneFlags(FILE *, const char *, PyCompilerFlags *);
 PyAPI_FUNC(int) PyRun_InteractiveLoopFlags(FILE *, const char *, PyCompilerFlags *);
@@ -48,25 +51,35 @@
                                                char *, char *,
                                                PyCompilerFlags *, int *,
                                                PyArena *);
+#endif
+
+#ifndef PyParser_SimpleParseString
 #define PyParser_SimpleParseString(S, B) \
     PyParser_SimpleParseStringFlags(S, B, 0)
 #define PyParser_SimpleParseFile(FP, S, B) \
     PyParser_SimpleParseFileFlags(FP, S, B, 0)
+#endif
 PyAPI_FUNC(struct _node *) PyParser_SimpleParseStringFlags(const char *, int,
                                                           int);
 PyAPI_FUNC(struct _node *) PyParser_SimpleParseFileFlags(FILE *, const char *,
                                                         int, int);
 
+#ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject *) PyRun_StringFlags(const char *, int, PyObject *,
                                          PyObject *, PyCompilerFlags *);
 
 PyAPI_FUNC(PyObject *) PyRun_FileExFlags(FILE *, const char *, int,
                                          PyObject *, PyObject *, int,
                                          PyCompilerFlags *);
+#endif
 
+#ifdef Py_LIMITED_API
+PyAPI_FUNC(PyObject *) Py_CompileStringFlags(const char *, const char *, int);
+#else
 #define Py_CompileString(str, p, s) Py_CompileStringFlags(str, p, s, NULL)
 PyAPI_FUNC(PyObject *) Py_CompileStringFlags(const char *, const char *, int,
                                              PyCompilerFlags *);
+#endif
 PyAPI_FUNC(struct symtable *) Py_SymtableString(const char *, const char *, int);
 
 PyAPI_FUNC(void) PyErr_Print(void);
@@ -76,19 +89,24 @@
 /* Py_PyAtExit is for the atexit module, Py_AtExit is for low-level
  * exit functions.
  */
+#ifndef Py_LIMITED_API
 PyAPI_FUNC(void) _Py_PyAtExit(void (*func)(void));
+#endif
 PyAPI_FUNC(int) Py_AtExit(void (*func)(void));
 
 PyAPI_FUNC(void) Py_Exit(int);
 
 /* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL. */
+#ifndef Py_LIMITED_API
 PyAPI_FUNC(void) _Py_RestoreSignals(void);
 
 PyAPI_FUNC(int) Py_FdIsInteractive(FILE *, const char *);
+#endif
 
 /* Bootstrap */
 PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
 
+#ifndef Py_LIMITED_API
 /* Use macros for a bunch of old variants */
 #define PyRun_String(str, s, g, l) PyRun_StringFlags(str, s, g, l, NULL)
 #define PyRun_AnyFile(fp, name) PyRun_AnyFileExFlags(fp, name, 0, NULL)
@@ -107,6 +125,7 @@
     PyRun_FileExFlags(fp, p, s, g, l, c, NULL)
 #define PyRun_FileFlags(fp, p, s, g, l, flags) \
     PyRun_FileExFlags(fp, p, s, g, l, 0, flags)
+#endif
 
 /* In getpath.c */
 PyAPI_FUNC(wchar_t *) Py_GetProgramFullPath(void);
@@ -114,6 +133,9 @@
 PyAPI_FUNC(wchar_t *) Py_GetExecPrefix(void);
 PyAPI_FUNC(wchar_t *) Py_GetPath(void);
 PyAPI_FUNC(void)      Py_SetPath(const wchar_t *);
+#ifdef MS_WINDOWS
+int _Py_CheckPython3();
+#endif
 
 /* In their own files */
 PyAPI_FUNC(const char *) Py_GetVersion(void);
@@ -121,11 +143,14 @@
 PyAPI_FUNC(const char *) Py_GetCopyright(void);
 PyAPI_FUNC(const char *) Py_GetCompiler(void);
 PyAPI_FUNC(const char *) Py_GetBuildInfo(void);
+#ifndef Py_LIMITED_API
 PyAPI_FUNC(const char *) _Py_svnversion(void);
 PyAPI_FUNC(const char *) Py_SubversionRevision(void);
 PyAPI_FUNC(const char *) Py_SubversionShortBranch(void);
+#endif
 
 /* Internal -- various one-time initializations */
+#ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);
 PyAPI_FUNC(PyObject *) _PySys_Init(void);
 PyAPI_FUNC(void) _PyImport_Init(void);
@@ -134,8 +159,10 @@
 PyAPI_FUNC(int) _PyFrame_Init(void);
 PyAPI_FUNC(void) _PyFloat_Init(void);
 PyAPI_FUNC(int) PyByteArray_Init(void);
+#endif
 
 /* Various internal finalizers */
+#ifndef Py_LIMITED_API
 PyAPI_FUNC(void) _PyExc_Fini(void);
 PyAPI_FUNC(void) _PyImport_Fini(void);
 PyAPI_FUNC(void) PyMethod_Fini(void);
@@ -150,12 +177,17 @@
 PyAPI_FUNC(void) PyFloat_Fini(void);
 PyAPI_FUNC(void) PyOS_FiniInterrupts(void);
 PyAPI_FUNC(void) _PyGC_Fini(void);
+#endif
 
 /* Stuff with no proper home (yet) */
+#ifndef Py_LIMITED_API
 PyAPI_FUNC(char *) PyOS_Readline(FILE *, FILE *, char *);
+#endif
 PyAPI_DATA(int) (*PyOS_InputHook)(void);
 PyAPI_DATA(char) *(*PyOS_ReadlineFunctionPointer)(FILE *, FILE *, char *);
+#ifndef Py_LIMITED_API
 PyAPI_DATA(PyThreadState*) _PyOS_ReadlineTState;
+#endif
 
 /* Stack size, in "pointers" (so we get extra safety margins
    on 64-bit platforms).  On a 32-bit platform, this translates