bpo-42519: Replace PyMem_MALLOC() with PyMem_Malloc() (GH-23586)

No longer use deprecated aliases to functions:

* Replace PyMem_MALLOC() with PyMem_Malloc()
* Replace PyMem_REALLOC() with PyMem_Realloc()
* Replace PyMem_FREE() with PyMem_Free()
* Replace PyMem_Del() with PyMem_Free()
* Replace PyMem_DEL() with PyMem_Free()

Modify also the PyMem_DEL() macro to use directly PyMem_Free().
diff --git a/Objects/capsule.c b/Objects/capsule.c
index ed24cc1..a2ff642 100644
--- a/Objects/capsule.c
+++ b/Objects/capsule.c
@@ -198,7 +198,7 @@ PyCapsule_Import(const char *name, int no_block)
     void *return_value = NULL;
     char *trace;
     size_t name_length = (strlen(name) + 1) * sizeof(char);
-    char *name_dup = (char *)PyMem_MALLOC(name_length);
+    char *name_dup = (char *)PyMem_Malloc(name_length);
 
     if (!name_dup) {
         return PyErr_NoMemory();
@@ -247,7 +247,7 @@ PyCapsule_Import(const char *name, int no_block)
 EXIT:
     Py_XDECREF(object);
     if (name_dup) {
-        PyMem_FREE(name_dup);
+        PyMem_Free(name_dup);
     }
     return return_value;
 }
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
index 7b224cc..0257295 100644
--- a/Objects/codeobject.c
+++ b/Objects/codeobject.c
@@ -213,7 +213,7 @@ PyCode_NewWithPosOnlyArgs(int argcount, int posonlyargcount, int kwonlyargcount,
                 PyObject *arg = PyTuple_GET_ITEM(varnames, j);
                 int cmp = PyUnicode_Compare(cell, arg);
                 if (cmp == -1 && PyErr_Occurred()) {
-                    PyMem_FREE(cell2arg);
+                    PyMem_Free(cell2arg);
                     return NULL;
                 }
                 if (cmp == 0) {
@@ -224,14 +224,14 @@ PyCode_NewWithPosOnlyArgs(int argcount, int posonlyargcount, int kwonlyargcount,
             }
         }
         if (!used_cell2arg) {
-            PyMem_FREE(cell2arg);
+            PyMem_Free(cell2arg);
             cell2arg = NULL;
         }
     }
     co = PyObject_New(PyCodeObject, &PyCode_Type);
     if (co == NULL) {
         if (cell2arg)
-            PyMem_FREE(cell2arg);
+            PyMem_Free(cell2arg);
         return NULL;
     }
     co->co_argcount = argcount;
@@ -314,12 +314,12 @@ _PyCode_InitOpcache(PyCodeObject *co)
     if (opts) {
         co->co_opcache = (_PyOpcache *)PyMem_Calloc(opts, sizeof(_PyOpcache));
         if (co->co_opcache == NULL) {
-            PyMem_FREE(co->co_opcache_map);
+            PyMem_Free(co->co_opcache_map);
             return -1;
         }
     }
     else {
-        PyMem_FREE(co->co_opcache_map);
+        PyMem_Free(co->co_opcache_map);
         co->co_opcache_map = NULL;
         co->co_opcache = NULL;
     }
@@ -631,10 +631,10 @@ static void
 code_dealloc(PyCodeObject *co)
 {
     if (co->co_opcache != NULL) {
-        PyMem_FREE(co->co_opcache);
+        PyMem_Free(co->co_opcache);
     }
     if (co->co_opcache_map != NULL) {
-        PyMem_FREE(co->co_opcache_map);
+        PyMem_Free(co->co_opcache_map);
     }
     co->co_opcache_flag = 0;
     co->co_opcache_size = 0;
@@ -664,7 +664,7 @@ code_dealloc(PyCodeObject *co)
     Py_XDECREF(co->co_name);
     Py_XDECREF(co->co_linetable);
     if (co->co_cell2arg != NULL)
-        PyMem_FREE(co->co_cell2arg);
+        PyMem_Free(co->co_cell2arg);
     if (co->co_zombieframe != NULL)
         PyObject_GC_Del(co->co_zombieframe);
     if (co->co_weakreflist != NULL)
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index faa8696..ee1a9d1 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -640,7 +640,7 @@ free_keys_object(PyDictKeysObject *keys)
 }
 
 #define new_values(size) PyMem_NEW(PyObject *, size)
-#define free_values(values) PyMem_FREE(values)
+#define free_values(values) PyMem_Free(values)
 
 /* Consumes a reference to the keys object */
 static PyObject *
diff --git a/Objects/listobject.c b/Objects/listobject.c
index aac87ea..ca9df59 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -341,7 +341,7 @@ list_dealloc(PyListObject *op)
         while (--i >= 0) {
             Py_XDECREF(op->ob_item[i]);
         }
-        PyMem_FREE(op->ob_item);
+        PyMem_Free(op->ob_item);
     }
     struct _Py_list_state *state = get_list_state();
 #ifdef Py_DEBUG
@@ -592,7 +592,7 @@ _list_clear(PyListObject *a)
         while (--i >= 0) {
             Py_XDECREF(item[i]);
         }
-        PyMem_FREE(item);
+        PyMem_Free(item);
     }
     /* Never fails; the return value can be ignored.
        Note that there is no guarantee that the list is actually empty
@@ -668,7 +668,7 @@ list_ass_slice(PyListObject *a, Py_ssize_t ilow, Py_ssize_t ihigh, PyObject *v)
     /* If norig == 0, item might be NULL, in which case we may not memcpy from it. */
     if (s) {
         if (s > sizeof(recycle_on_stack)) {
-            recycle = (PyObject **)PyMem_MALLOC(s);
+            recycle = (PyObject **)PyMem_Malloc(s);
             if (recycle == NULL) {
                 PyErr_NoMemory();
                 goto Error;
@@ -706,7 +706,7 @@ list_ass_slice(PyListObject *a, Py_ssize_t ilow, Py_ssize_t ihigh, PyObject *v)
     result = 0;
  Error:
     if (recycle != recycle_on_stack)
-        PyMem_FREE(recycle);
+        PyMem_Free(recycle);
     Py_XDECREF(v_as_SF);
     return result;
 #undef b
@@ -2230,7 +2230,7 @@ list_sort_impl(PyListObject *self, PyObject *keyfunc, int reverse)
             /* Leverage stack space we allocated but won't otherwise use */
             keys = &ms.temparray[saved_ob_size+1];
         else {
-            keys = PyMem_MALLOC(sizeof(PyObject *) * saved_ob_size);
+            keys = PyMem_Malloc(sizeof(PyObject *) * saved_ob_size);
             if (keys == NULL) {
                 PyErr_NoMemory();
                 goto keyfunc_fail;
@@ -2243,7 +2243,7 @@ list_sort_impl(PyListObject *self, PyObject *keyfunc, int reverse)
                 for (i=i-1 ; i>=0 ; i--)
                     Py_DECREF(keys[i]);
                 if (saved_ob_size >= MERGESTATE_TEMP_SIZE/2)
-                    PyMem_FREE(keys);
+                    PyMem_Free(keys);
                 goto keyfunc_fail;
             }
         }
@@ -2414,7 +2414,7 @@ list_sort_impl(PyListObject *self, PyObject *keyfunc, int reverse)
         for (i = 0; i < saved_ob_size; i++)
             Py_DECREF(keys[i]);
         if (saved_ob_size >= MERGESTATE_TEMP_SIZE/2)
-            PyMem_FREE(keys);
+            PyMem_Free(keys);
     }
 
     if (self->allocated != -1 && result != NULL) {
@@ -2442,7 +2442,7 @@ list_sort_impl(PyListObject *self, PyObject *keyfunc, int reverse)
         while (--i >= 0) {
             Py_XDECREF(final_ob_item[i]);
         }
-        PyMem_FREE(final_ob_item);
+        PyMem_Free(final_ob_item);
     }
     Py_XINCREF(result);
     return result;
@@ -2908,7 +2908,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
             }
 
             garbage = (PyObject**)
-                PyMem_MALLOC(slicelength*sizeof(PyObject*));
+                PyMem_Malloc(slicelength*sizeof(PyObject*));
             if (!garbage) {
                 PyErr_NoMemory();
                 return -1;
@@ -2949,7 +2949,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
             for (i = 0; i < slicelength; i++) {
                 Py_DECREF(garbage[i]);
             }
-            PyMem_FREE(garbage);
+            PyMem_Free(garbage);
 
             return res;
         }
@@ -2990,7 +2990,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
             }
 
             garbage = (PyObject**)
-                PyMem_MALLOC(slicelength*sizeof(PyObject*));
+                PyMem_Malloc(slicelength*sizeof(PyObject*));
             if (!garbage) {
                 Py_DECREF(seq);
                 PyErr_NoMemory();
@@ -3011,7 +3011,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
                 Py_DECREF(garbage[i]);
             }
 
-            PyMem_FREE(garbage);
+            PyMem_Free(garbage);
             Py_DECREF(seq);
 
             return 0;
diff --git a/Objects/moduleobject.c b/Objects/moduleobject.c
index c3ceb78..6590387 100644
--- a/Objects/moduleobject.c
+++ b/Objects/moduleobject.c
@@ -211,7 +211,7 @@ _PyModule_CreateInitialized(struct PyModuleDef* module, int module_api_version)
         return NULL;
 
     if (module->m_size > 0) {
-        m->md_state = PyMem_MALLOC(module->m_size);
+        m->md_state = PyMem_Malloc(module->m_size);
         if (!m->md_state) {
             PyErr_NoMemory();
             Py_DECREF(m);
@@ -377,7 +377,7 @@ PyModule_ExecDef(PyObject *module, PyModuleDef *def)
         if (md->md_state == NULL) {
             /* Always set a state pointer; this serves as a marker to skip
              * multiple initialization (importlib.reload() is no-op) */
-            md->md_state = PyMem_MALLOC(def->m_size);
+            md->md_state = PyMem_Malloc(def->m_size);
             if (!md->md_state) {
                 PyErr_NoMemory();
                 return -1;
@@ -681,7 +681,7 @@ module_dealloc(PyModuleObject *m)
     Py_XDECREF(m->md_dict);
     Py_XDECREF(m->md_name);
     if (m->md_state != NULL)
-        PyMem_FREE(m->md_state);
+        PyMem_Free(m->md_state);
     Py_TYPE(m)->tp_free((PyObject *)m);
 }
 
diff --git a/Objects/odictobject.c b/Objects/odictobject.c
index b4ac560..83b326b 100644
--- a/Objects/odictobject.c
+++ b/Objects/odictobject.c
@@ -567,14 +567,14 @@ _odict_resize(PyODictObject *od)
         i = _odict_get_index_raw(od, _odictnode_KEY(node),
                                  _odictnode_HASH(node));
         if (i < 0) {
-            PyMem_FREE(fast_nodes);
+            PyMem_Free(fast_nodes);
             return -1;
         }
         fast_nodes[i] = node;
     }
 
     /* Replace the old fast nodes table. */
-    PyMem_FREE(od->od_fast_nodes);
+    PyMem_Free(od->od_fast_nodes);
     od->od_fast_nodes = fast_nodes;
     od->od_fast_nodes_size = size;
     od->od_resize_sentinel = ((PyDictObject *)od)->ma_keys;
@@ -683,7 +683,7 @@ _odict_add_new_node(PyODictObject *od, PyObject *key, Py_hash_t hash)
     }
 
     /* must not be added yet */
-    node = (_ODictNode *)PyMem_MALLOC(sizeof(_ODictNode));
+    node = (_ODictNode *)PyMem_Malloc(sizeof(_ODictNode));
     if (node == NULL) {
         Py_DECREF(key);
         PyErr_NoMemory();
@@ -701,7 +701,7 @@ _odict_add_new_node(PyODictObject *od, PyObject *key, Py_hash_t hash)
 #define _odictnode_DEALLOC(node) \
     do { \
         Py_DECREF(_odictnode_KEY(node)); \
-        PyMem_FREE((void *)node); \
+        PyMem_Free((void *)node); \
     } while (0)
 
 /* Repeated calls on the same node are no-ops. */
@@ -776,7 +776,7 @@ _odict_clear_nodes(PyODictObject *od)
 {
     _ODictNode *node, *next;
 
-    PyMem_FREE(od->od_fast_nodes);
+    PyMem_Free(od->od_fast_nodes);
     od->od_fast_nodes = NULL;
     od->od_fast_nodes_size = 0;
     od->od_resize_sentinel = NULL;
diff --git a/Objects/setobject.c b/Objects/setobject.c
index af8ee03..79e8451 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -289,7 +289,7 @@ set_table_resize(PySetObject *so, Py_ssize_t minused)
     }
 
     if (is_oldtable_malloced)
-        PyMem_DEL(oldtable);
+        PyMem_Free(oldtable);
     return 0;
 }
 
@@ -424,7 +424,7 @@ set_clear_internal(PySetObject *so)
     }
 
     if (table_is_malloced)
-        PyMem_DEL(table);
+        PyMem_Free(table);
     return 0;
 }
 
@@ -484,7 +484,7 @@ set_dealloc(PySetObject *so)
         }
     }
     if (so->table != so->smalltable)
-        PyMem_DEL(so->table);
+        PyMem_Free(so->table);
     Py_TYPE(so)->tp_free(so);
     Py_TRASHCAN_END
 }
diff --git a/Objects/stringlib/join.h b/Objects/stringlib/join.h
index 53bcbde..62e4c98 100644
--- a/Objects/stringlib/join.h
+++ b/Objects/stringlib/join.h
@@ -155,7 +155,7 @@ STRINGLIB(bytes_join)(PyObject *sep, PyObject *iterable)
     for (i = 0; i < nbufs; i++)
         PyBuffer_Release(&buffers[i]);
     if (buffers != static_buffers)
-        PyMem_FREE(buffers);
+        PyMem_Free(buffers);
     return res;
 }
 
diff --git a/Objects/structseq.c b/Objects/structseq.c
index bb28e11..5d71fcf 100644
--- a/Objects/structseq.c
+++ b/Objects/structseq.c
@@ -467,14 +467,14 @@ PyStructSequence_InitType2(PyTypeObject *type, PyStructSequence_Desc *desc)
     type->tp_members = members;
 
     if (PyType_Ready(type) < 0) {
-        PyMem_FREE(members);
+        PyMem_Free(members);
         return -1;
     }
     Py_INCREF(type);
 
     if (initialize_structseq_dict(
             desc, type->tp_dict, n_members, n_unnamed_members) < 0) {
-        PyMem_FREE(members);
+        PyMem_Free(members);
         Py_DECREF(type);
         return -1;
     }
@@ -526,7 +526,7 @@ PyStructSequence_NewType(PyStructSequence_Desc *desc)
     spec.slots = slots;
 
     type = (PyTypeObject *)PyType_FromSpecWithBases(&spec, (PyObject *)&PyTuple_Type);
-    PyMem_FREE(members);
+    PyMem_Free(members);
     if (type == NULL) {
         return NULL;
     }
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 3a6143a..fbadd31 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -1779,7 +1779,7 @@ pmerge(PyObject *acc, PyObject **to_merge, Py_ssize_t to_merge_size)
     }
 
   out:
-    PyMem_Del(remain);
+    PyMem_Free(remain);
 
     return res;
 }
@@ -1859,7 +1859,7 @@ mro_implementation(PyTypeObject *type)
 
     result = PyList_New(1);
     if (result == NULL) {
-        PyMem_Del(to_merge);
+        PyMem_Free(to_merge);
         return NULL;
     }
 
@@ -1869,7 +1869,7 @@ mro_implementation(PyTypeObject *type)
         Py_CLEAR(result);
     }
 
-    PyMem_Del(to_merge);
+    PyMem_Free(to_merge);
     return result;
 }
 
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 70688c8..ba6d07a 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -3298,7 +3298,7 @@ PyUnicode_AsWideCharString(PyObject *unicode,
         *size = buflen;
     }
     else if (wcslen(buffer) != (size_t)buflen) {
-        PyMem_FREE(buffer);
+        PyMem_Free(buffer);
         PyErr_SetString(PyExc_ValueError,
                         "embedded null character");
         return NULL;
@@ -10211,7 +10211,7 @@ case_operation(PyObject *self,
         PyErr_SetString(PyExc_OverflowError, "string is too long");
         return NULL;
     }
-    tmp = PyMem_MALLOC(sizeof(Py_UCS4) * 3 * length);
+    tmp = PyMem_Malloc(sizeof(Py_UCS4) * 3 * length);
     if (tmp == NULL)
         return PyErr_NoMemory();
     newlength = perform(kind, data, length, tmp, &maxchar);
@@ -10235,7 +10235,7 @@ case_operation(PyObject *self,
         Py_UNREACHABLE();
     }
   leave:
-    PyMem_FREE(tmp);
+    PyMem_Free(tmp);
     return res;
 }
 
@@ -11050,11 +11050,11 @@ replace(PyObject *self, PyObject *str1,
     assert(release1 == (buf1 != PyUnicode_DATA(str1)));
     assert(release2 == (buf2 != PyUnicode_DATA(str2)));
     if (srelease)
-        PyMem_FREE((void *)sbuf);
+        PyMem_Free((void *)sbuf);
     if (release1)
-        PyMem_FREE((void *)buf1);
+        PyMem_Free((void *)buf1);
     if (release2)
-        PyMem_FREE((void *)buf2);
+        PyMem_Free((void *)buf2);
     assert(_PyUnicode_CheckConsistency(u, 1));
     return u;
 
@@ -11064,11 +11064,11 @@ replace(PyObject *self, PyObject *str1,
     assert(release1 == (buf1 != PyUnicode_DATA(str1)));
     assert(release2 == (buf2 != PyUnicode_DATA(str2)));
     if (srelease)
-        PyMem_FREE((void *)sbuf);
+        PyMem_Free((void *)sbuf);
     if (release1)
-        PyMem_FREE((void *)buf1);
+        PyMem_Free((void *)buf1);
     if (release2)
-        PyMem_FREE((void *)buf2);
+        PyMem_Free((void *)buf2);
     return unicode_result_unchanged(self);
 
   error:
@@ -11076,11 +11076,11 @@ replace(PyObject *self, PyObject *str1,
     assert(release1 == (buf1 != PyUnicode_DATA(str1)));
     assert(release2 == (buf2 != PyUnicode_DATA(str2)));
     if (srelease)
-        PyMem_FREE((void *)sbuf);
+        PyMem_Free((void *)sbuf);
     if (release1)
-        PyMem_FREE((void *)buf1);
+        PyMem_Free((void *)buf1);
     if (release2)
-        PyMem_FREE((void *)buf2);
+        PyMem_Free((void *)buf2);
     return NULL;
 }