Issue 9445: Fix undefined symbols on VS8.0 build.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 6317278..0b14f5c 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -262,6 +262,15 @@
#ifdef HAVE_PROCESS_H
#include <process.h>
#endif
+#ifndef VOLUME_NAME_DOS
+#define VOLUME_NAME_DOS 0x0
+#endif
+#ifndef VOLUME_NAME_NT
+#define VOLUME_NAME_NT 0x2
+#endif
+#ifndef IO_REPARSE_TAG_SYMLINK
+#define IO_REPARSE_TAG_SYMLINK (0xA000000CL)
+#endif
#include "osdefs.h"
#include <malloc.h>
#include <windows.h>