Rename _Py_identifier to _Py_IDENTIFIER.
diff --git a/Modules/_io/_iomodule.c b/Modules/_io/_iomodule.c
index 9061a41..2ad002e 100644
--- a/Modules/_io/_iomodule.c
+++ b/Modules/_io/_iomodule.c
@@ -225,8 +225,8 @@
 
     PyObject *raw, *modeobj = NULL, *buffer = NULL, *wrapper = NULL;
 
-    _Py_identifier(isatty);
-    _Py_identifier(fileno);
+    _Py_IDENTIFIER(isatty);
+    _Py_IDENTIFIER(fileno);
 
     if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|sizzzi:open", kwlist,
                                      &file, &mode, &buffering,
diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c
index c72bfb9..880ed78 100644
--- a/Modules/_io/bufferedio.c
+++ b/Modules/_io/bufferedio.c
@@ -13,17 +13,17 @@
 #include "pythread.h"
 #include "_iomodule.h"
 
-_Py_identifier(close);
-_Py_identifier(_dealloc_warn);
-_Py_identifier(flush);
-_Py_identifier(isatty);
-_Py_identifier(peek);
-_Py_identifier(read);
-_Py_identifier(read1);
-_Py_identifier(readable);
-_Py_identifier(readinto);
-_Py_identifier(writable);
-_Py_identifier(write);
+_Py_IDENTIFIER(close);
+_Py_IDENTIFIER(_dealloc_warn);
+_Py_IDENTIFIER(flush);
+_Py_IDENTIFIER(isatty);
+_Py_IDENTIFIER(peek);
+_Py_IDENTIFIER(read);
+_Py_IDENTIFIER(read1);
+_Py_IDENTIFIER(readable);
+_Py_IDENTIFIER(readinto);
+_Py_IDENTIFIER(writable);
+_Py_IDENTIFIER(write);
 
 /*
  * BufferedIOBase class, inherits from IOBase.
@@ -50,7 +50,7 @@
     Py_buffer buf;
     Py_ssize_t len;
     PyObject *data;
-    _Py_identifier(read);
+    _Py_IDENTIFIER(read);
 
     if (!PyArg_ParseTuple(args, "w*:readinto", &buf)) {
         return NULL;
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index c6b89f3..acb0097 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -122,7 +122,7 @@
 static PyObject *
 fileio_close(fileio *self)
 {
-    _Py_identifier(close);
+    _Py_IDENTIFIER(close);
     if (!self->closefd) {
         self->fd = -1;
         Py_RETURN_NONE;
diff --git a/Modules/_io/iobase.c b/Modules/_io/iobase.c
index 6a94a04..52f6aa0 100644
--- a/Modules/_io/iobase.c
+++ b/Modules/_io/iobase.c
@@ -97,7 +97,7 @@
 static PyObject *
 iobase_tell(PyObject *self, PyObject *args)
 {
-    _Py_identifier(seek);
+    _Py_IDENTIFIER(seek);
 
     return _PyObject_CallMethodId(self, &PyId_seek, "ii", 0, 1);
 }
@@ -466,7 +466,7 @@
     int has_peek = 0;
     PyObject *buffer, *result;
     Py_ssize_t old_size = -1;
-    _Py_identifier(read);
+    _Py_IDENTIFIER(read);
 
     if (!PyArg_ParseTuple(args, "|O&:readline", &_PyIO_ConvertSsize_t, &limit)) {
         return NULL;
@@ -484,7 +484,7 @@
         PyObject *b;
 
         if (has_peek) {
-            _Py_identifier(peek);
+            _Py_IDENTIFIER(peek);
             PyObject *readahead = _PyObject_CallMethodId(self, &PyId_peek, "i", 1);
 
             if (readahead == NULL)
@@ -606,7 +606,7 @@
         /* XXX special-casing this made sense in the Python version in order
            to remove the bytecode interpretation overhead, but it could
            probably be removed here. */
-        _Py_identifier(extend);
+        _Py_IDENTIFIER(extend);
         PyObject *ret = _PyObject_CallMethodId(result, &PyId_extend, "O", self);
 
         if (ret == NULL) {
@@ -789,7 +789,7 @@
     }
 
     if (n < 0) {
-        _Py_identifier(readall);
+        _Py_IDENTIFIER(readall);
 
         return _PyObject_CallMethodId(self, &PyId_readall, NULL);
     }
@@ -833,7 +833,7 @@
         return NULL;
 
     while (1) {
-        _Py_identifier(read);
+        _Py_IDENTIFIER(read);
         PyObject *data = _PyObject_CallMethodId(self, &PyId_read,
                                                 "i", DEFAULT_BUFFER_SIZE);
         if (!data) {
diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index 2ded719..c63c3c7 100644
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -11,23 +11,23 @@
 #include "structmember.h"
 #include "_iomodule.h"
 
-_Py_identifier(close);
-_Py_identifier(_dealloc_warn);
-_Py_identifier(decode);
-_Py_identifier(device_encoding);
-_Py_identifier(fileno);
-_Py_identifier(flush);
-_Py_identifier(getpreferredencoding);
-_Py_identifier(isatty);
-_Py_identifier(read);
-_Py_identifier(readable);
-_Py_identifier(replace);
-_Py_identifier(reset);
-_Py_identifier(seek);
-_Py_identifier(seekable);
-_Py_identifier(setstate);
-_Py_identifier(tell);
-_Py_identifier(writable);
+_Py_IDENTIFIER(close);
+_Py_IDENTIFIER(_dealloc_warn);
+_Py_IDENTIFIER(decode);
+_Py_IDENTIFIER(device_encoding);
+_Py_IDENTIFIER(fileno);
+_Py_IDENTIFIER(flush);
+_Py_IDENTIFIER(getpreferredencoding);
+_Py_IDENTIFIER(isatty);
+_Py_IDENTIFIER(read);
+_Py_IDENTIFIER(readable);
+_Py_IDENTIFIER(replace);
+_Py_IDENTIFIER(reset);
+_Py_IDENTIFIER(seek);
+_Py_IDENTIFIER(seekable);
+_Py_IDENTIFIER(setstate);
+_Py_IDENTIFIER(tell);
+_Py_IDENTIFIER(writable);
 
 /* TextIOBase */