X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=includes%2Fstddef.h;h=8968577e73f7f7853f13294e86202df5b8afc575;hb=13ee02fa27a739d9d602f801126eadcfbfeab8a8;hp=f64a9a109279e70e7e3b02904208e0f3416f19a2;hpb=aa980e7f23430161549089ab9661f07d9db116c4;p=pdclib

diff --git a/includes/stddef.h b/includes/stddef.h
index f64a9a1..8968577 100644
--- a/includes/stddef.h
+++ b/includes/stddef.h
@@ -1,7 +1,5 @@
 /* $Id$ */
 
-/* Release $Name$ */
-
 /* 7.17 Common definitions <stddef.h>
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -30,7 +28,10 @@ typedef _PDCLIB_size_t size_t;
 
 typedef _PDCLIB_wchar_t   wchar_t;
 
+#ifndef _PDCLIB_NULL_DEFINED
+#define _PDCLIB_NULL_DEFINED _PDCLIB_NULL_DEFINED
 #define NULL _PDCLIB_NULL
+#endif
 
 #define offsetof( type, member ) _PDCLIB_offsetof( type, member )