diff --git a/Include/pytime.h b/Include/pytime.h
index d707bdb..6d438f3 100644
--- a/Include/pytime.h
+++ b/Include/pytime.h
@@ -2,7 +2,8 @@
 #ifndef Py_PYTIME_H
 #define Py_PYTIME_H
 
-#include "pyconfig.h" /* include for defines */
+#include "pyport.h"
+#include "object.h"
 
 /**************************************************************************
 Symbols and macros to supply platform-independent interfaces to time related
@@ -37,6 +38,31 @@
     ((tv_end.tv_sec - tv_start.tv_sec) + \
      (tv_end.tv_usec - tv_start.tv_usec) * 0.000001)
 
+#if defined(HAVE_LONG_LONG)
+typedef unsigned PY_LONG_LONG _PyTime_fraction_t;
+#else
+typedef size_t _PyTime_fraction_t;
+#endif
+
+typedef struct
+{
+    /* timestamp = seconds + numerator / denominator */
+    time_t seconds;
+    _PyTime_fraction_t numerator;
+    /* denominator cannot be zero */
+    _PyTime_fraction_t denominator;
+    /* the timestamp resolution is 1/divisor */
+} _PyTime_t;
+
+/* Similar to POSIX gettimeofday.  If system gettimeofday
+   fails or is not available, fall back to lower resolution clocks.  */
+PyAPI_FUNC(void) _PyTime_get(_PyTime_t *tp);
+
+/* Convert a timestamp structure to the specified timestamp type.
+
+   Raise a ValueError if the timestamp type is unknown. */
+PyAPI_FUNC(PyObject*) _PyTime_Convert(_PyTime_t *ts, PyObject *timestamp);
+
 /* Dummy to force linking. */
 PyAPI_FUNC(void) _PyTime_Init(void);