Issue #11016: Try to fix compilaton of the new _stat.c module on Windows
diff --git a/Include/pyport.h b/Include/pyport.h
index eb1bbe2..4b9c238 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -406,6 +406,14 @@
#define S_ISDIR(x) (((x) & S_IFMT) == S_IFDIR)
#endif
+#ifndef S_ISCHR
+#define S_ISCHR(x) (((x) & S_IFMT) == S_IFCHR)
+#endif
+
+#ifndef S_ISBLK
+#define S_ISBLK(x) (((x) & S_IFMT) == S_IFBLK)
+#endif
+
#ifdef __cplusplus
/* Move this down here since some C++ #include's don't like to be included