replace Python aliases for standard integer types with the standard integer types (#17884)
diff --git a/Include/longintrepr.h b/Include/longintrepr.h
index 1296849..a3b74b4 100644
--- a/Include/longintrepr.h
+++ b/Include/longintrepr.h
@@ -42,10 +42,10 @@
 */
 
 #if PYLONG_BITS_IN_DIGIT == 30
-typedef PY_UINT32_T digit;
-typedef PY_INT32_T sdigit; /* signed variant of digit */
-typedef PY_UINT64_T twodigits;
-typedef PY_INT64_T stwodigits; /* signed variant of twodigits */
+typedef uint32_t digit;
+typedef int32_t sdigit; /* signed variant of digit */
+typedef uint64_t twodigits;
+typedef int64_t stwodigits; /* signed variant of twodigits */
 #define PyLong_SHIFT	30
 #define _PyLong_DECIMAL_SHIFT	9 /* max(e such that 10**e fits in a digit) */
 #define _PyLong_DECIMAL_BASE	((digit)1000000000) /* 10 ** DECIMAL_SHIFT */
diff --git a/Include/pyhash.h b/Include/pyhash.h
index a7ca937..a814af6 100644
--- a/Include/pyhash.h
+++ b/Include/pyhash.h
@@ -36,14 +36,14 @@
  * memory layout on 64 bit systems
  *   cccccccc cccccccc cccccccc  uc -- unsigned char[24]
  *   pppppppp ssssssss ........  fnv -- two Py_hash_t
- *   k0k0k0k0 k1k1k1k1 ........  siphash -- two PY_UINT64_T
+ *   k0k0k0k0 k1k1k1k1 ........  siphash -- two uint64_t
  *   ........ ........ ssssssss  djbx33a -- 16 bytes padding + one Py_hash_t
  *   ........ ........ eeeeeeee  pyexpat XML hash salt
  *
  * memory layout on 32 bit systems
  *   cccccccc cccccccc cccccccc  uc
  *   ppppssss ........ ........  fnv -- two Py_hash_t
- *   k0k0k0k0 k1k1k1k1 ........  siphash -- two PY_UINT64_T (*)
+ *   k0k0k0k0 k1k1k1k1 ........  siphash -- two uint64_t (*)
  *   ........ ........ ssss....  djbx33a -- 16 bytes padding + one Py_hash_t
  *   ........ ........ eeee....  pyexpat XML hash salt
  *
@@ -59,13 +59,11 @@
         Py_hash_t prefix;
         Py_hash_t suffix;
     } fnv;
-#ifdef PY_UINT64_T
     /* two uint64 for SipHash24 */
     struct {
-        PY_UINT64_T k0;
-        PY_UINT64_T k1;
+        uint64_t k0;
+        uint64_t k1;
     } siphash;
-#endif
     /* a different (!) Py_hash_t for small string optimization */
     struct {
         unsigned char padding[16];
@@ -121,8 +119,7 @@
  * configure script.
  *
  * - FNV is available on all platforms and architectures.
- * - SIPHASH24 only works on plaforms that provide PY_UINT64_T and doesn't
- *   require aligned memory for integers.
+ * - SIPHASH24 only works on plaforms that don't require aligned memory for integers.
  * - With EXTERNAL embedders can provide an alternative implementation with::
  *
  *     PyHash_FuncDef PyHash_Func = {...};
@@ -134,8 +131,7 @@
 #define Py_HASH_FNV 2
 
 #ifndef Py_HASH_ALGORITHM
-#  if (defined(PY_UINT64_T) && defined(PY_UINT32_T) \
-       && !defined(HAVE_ALIGNED_REQUIRED))
+#  ifndef HAVE_ALIGNED_REQUIRED
 #    define Py_HASH_ALGORITHM Py_HASH_SIPHASH24
 #  else
 #    define Py_HASH_ALGORITHM Py_HASH_FNV
diff --git a/Include/pytime.h b/Include/pytime.h
index 859321b..595fafc 100644
--- a/Include/pytime.h
+++ b/Include/pytime.h
@@ -13,16 +13,12 @@
 extern "C" {
 #endif
 
-#ifdef PY_INT64_T
 /* _PyTime_t: Python timestamp with subsecond precision. It can be used to
    store a duration, and so indirectly a date (related to another date, like
    UNIX epoch). */
-typedef PY_INT64_T _PyTime_t;
+typedef int64_t _PyTime_t;
 #define _PyTime_MIN PY_LLONG_MIN
 #define _PyTime_MAX PY_LLONG_MAX
-#else
-#  error "_PyTime_t need signed 64-bit integer type"
-#endif
 
 typedef enum {
     /* Round towards minus infinity (-inf).