xref: /netbsd/sys/sys/null.h (revision 49f5aa28)
1*49f5aa28Sthorpej /*	$NetBSD: null.h,v 1.2 2000/05/19 04:37:20 thorpej Exp $	*/
21bba558eSkleink 
31bba558eSkleink #ifndef	NULL
41bba558eSkleink #if !defined(__GNUG__) || __GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 90)
5*49f5aa28Sthorpej #ifdef __AUDIT__
6*49f5aa28Sthorpej #define	NULL	(void *)0
7*49f5aa28Sthorpej #else
81bba558eSkleink #define	NULL	0
9*49f5aa28Sthorpej #endif
101bba558eSkleink #else
111bba558eSkleink #define	NULL	__null
121bba558eSkleink #endif
131bba558eSkleink #endif
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