replace Py_(u)intptr_t with the c99 standard types
diff --git a/Python/ceval_gil.h b/Python/ceval_gil.h
index 8d38ee9..a3b450b 100644
--- a/Python/ceval_gil.h
+++ b/Python/ceval_gil.h
@@ -178,7 +178,7 @@
         /* Sub-interpreter support: threads might have been switched
            under our feet using PyThreadState_Swap(). Fix the GIL last
            holder variable so that our heuristics work. */
-        _Py_atomic_store_relaxed(&gil_last_holder, (Py_uintptr_t)tstate);
+        _Py_atomic_store_relaxed(&gil_last_holder, (uintptr_t)tstate);
     }
 
     MUTEX_LOCK(gil_mutex);
@@ -240,7 +240,7 @@
     _Py_ANNOTATE_RWLOCK_ACQUIRED(&gil_locked, /*is_write=*/1);
 
     if (tstate != (PyThreadState*)_Py_atomic_load_relaxed(&gil_last_holder)) {
-        _Py_atomic_store_relaxed(&gil_last_holder, (Py_uintptr_t)tstate);
+        _Py_atomic_store_relaxed(&gil_last_holder, (uintptr_t)tstate);
         ++gil_switch_number;
     }
 
diff --git a/Python/compile.c b/Python/compile.c
index b562989..6fe5d5f 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -476,9 +476,9 @@
 {
     basicblock *block;
     for (block = u->u_blocks; block != NULL; block = block->b_list) {
-        assert((Py_uintptr_t)block != 0xcbcbcbcbU);
-        assert((Py_uintptr_t)block != 0xfbfbfbfbU);
-        assert((Py_uintptr_t)block != 0xdbdbdbdbU);
+        assert((uintptr_t)block != 0xcbcbcbcbU);
+        assert((uintptr_t)block != 0xfbfbfbfbU);
+        assert((uintptr_t)block != 0xdbdbdbdbU);
         if (block->b_instr != NULL) {
             assert(block->b_ialloc > 0);
             assert(block->b_iused > 0);
diff --git a/Python/pystate.c b/Python/pystate.c
index 61bda2a..2ab5d5d 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -6,7 +6,7 @@
 #define GET_TSTATE() \
     ((PyThreadState*)_Py_atomic_load_relaxed(&_PyThreadState_Current))
 #define SET_TSTATE(value) \
-    _Py_atomic_store_relaxed(&_PyThreadState_Current, (Py_uintptr_t)(value))
+    _Py_atomic_store_relaxed(&_PyThreadState_Current, (uintptr_t)(value))
 #define GET_INTERP_STATE() \
     (GET_TSTATE()->interp)