bpo-40268: Remove unused structmember.h includes (GH-19530)
If only offsetof() is needed: include stddef.h instead.
When structmember.h is used, add a comment explaining that
PyMemberDef is used.
diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index 49f537e..b8ad4d7 100644
--- a/Objects/genericaliasobject.c
+++ b/Objects/genericaliasobject.c
@@ -2,7 +2,7 @@
#include "Python.h"
#include "pycore_object.h"
-#include "structmember.h"
+#include "structmember.h" // PyMemberDef
typedef struct {
PyObject_HEAD
@@ -118,7 +118,7 @@
_PyUnicodeWriter writer;
_PyUnicodeWriter_Init(&writer);
-
+
if (ga_repr_item(&writer, alias->origin) < 0) {
goto error;
}