int -> Py_ssize_t in cpython pxd files

Cython/Includes/cpython/buffer.pxd

@@ -56,7 +56,7 @@ cdef extern from "Python.h":
     void* PyBuffer_GetPointer(Py_buffer *view, Py_ssize_t *indices)
     # ??
 
-    int PyBuffer_SizeFromFormat(char *) # actually const char
+    Py_ssize_t PyBuffer_SizeFromFormat(char *) # actually const char
     # Return the implied ~Py_buffer.itemsize from the struct-stype
     # ~Py_buffer.format
 
@@ -90,7 +90,7 @@ cdef extern from "Python.h":
     void PyBuffer_FillContiguousStrides(int ndims,
                                         Py_ssize_t *shape,
                                         Py_ssize_t *strides,
-                                        int itemsize,
+                                        Py_ssize_t itemsize,
                                         char fort)
     # Fill the strides array with byte-strides of a contiguous
     # (Fortran-style if fort is 'F' or C-style otherwise) array of the

Cython/Includes/cpython/sequence.pxd

@@ -84,7 +84,7 @@ cdef extern from "Python.h":
     # value, return 1, otherwise return 0. On error, return -1. This
     # is equivalent to the Python expression "value in o".
 
-    int PySequence_Index(object o, object value) except -1
+    Py_ssize_t PySequence_Index(object o, object value) except -1
     # Return the first index i for which o[i] == value. On error,
     # return -1. This is equivalent to the Python expression
     # "o.index(value)".
@@ -126,7 +126,7 @@ cdef extern from "Python.h":
     # PySequence_Check(o) is true and without adjustment for negative
     # indices.
 
-    int PySequence_Fast_GET_SIZE(object o)
+    Py_ssize_t PySequence_Fast_GET_SIZE(object o)
     # Returns the length of o, assuming that o was returned by
     # PySequence_Fast() and that o is not NULL. The size can also be
     # gotten by calling PySequence_Size() on o, but

Cython/Includes/cpython/set.pxd

@@ -66,12 +66,12 @@ cdef extern from "Python.h":
     # The following functions and macros are available for instances
     # of set or frozenset or instances of their subtypes.
 
-    int PySet_Size(object anyset) except -1
+    Py_ssize_t PySet_Size(object anyset) except -1
     # Return the length of a set or frozenset object. Equivalent to
     # "len(anyset)". Raises a PyExc_SystemError if anyset is not a
     # set, frozenset, or an instance of a subtype.
 
-    int PySet_GET_SIZE(object anyset)
+    Py_ssize_t PySet_GET_SIZE(object anyset)
     # Macro form of PySet_Size() without error checking.
 
     bint PySet_Contains(object anyset, object key) except -1

Cython/Includes/cpython/tuple.pxd

@@ -24,10 +24,10 @@ cdef extern from "Python.h":
     # pointing to Python objects. "PyTuple_Pack(2, a, b)" is
     # equivalent to "Py_BuildValue("(OO)", a, b)".
 
-    int PyTuple_Size(object  p) except -1
+    Py_ssize_t PyTuple_Size(object  p) except -1
     # Take a pointer to a tuple object, and return the size of that tuple.
 
-    int PyTuple_GET_SIZE(object  p)
+    Py_ssize_t PyTuple_GET_SIZE(object  p)
     # Return the size of the tuple p, which must be non-NULL and point
     # to a tuple; no error checking is performed.
 

Cython/Includes/cpython/unicode.pxd

@@ -377,7 +377,7 @@ cdef extern from *:
     # consumed is not NULL, PyUnicode_DecodeMBCSStateful() will not
     # decode trailing lead byte and the number of bytes that have been
     # decoded will be stored in consumed. New in version 2.5.
-    object PyUnicode_DecodeMBCSStateful(char *s, int size, char *errors, int *consumed)
+    object PyUnicode_DecodeMBCSStateful(char *s, Py_ssize_t size, char *errors, Py_ssize_t *consumed)
 
     # Encode the Py_UNICODE buffer of the given size using MBCS and
     # return a Python string object. Return NULL if an exception was