From 4991f0027a0aadd380884924b85e7ce8f427fcd9 Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Tue, 15 Oct 1991 09:25:44 +0000
Subject: [PATCH] Only define NULL when not defined yet

---
 lib/minix/include/string.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/minix/include/string.h b/lib/minix/include/string.h
index 91a3834ca..caff01c6c 100644
--- a/lib/minix/include/string.h
+++ b/lib/minix/include/string.h
@@ -5,7 +5,9 @@
 #ifndef _STRING_H
 #define _STRING_H
 
+#ifndef NULL
 #define NULL    ((void *)0)
+#endif
 
 #ifndef _SIZE_T
 #define _SIZE_T
-- 
2.34.1