/* $NetBSD: null.h,v 1.9 2010/07/06 11:56:20 kleink Exp $ */ /* * Written by Klaus Klein , December 22, 1999. * Public domain. */ #ifndef _SYS_NULL_H_ #define _SYS_NULL_H_ #ifndef NULL #if !defined(__GNUG__) || __GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 90) #if !defined(__cplusplus) #define NULL ((void *)0) #else #define NULL 0 #endif /* !__cplusplus */ #else #define NULL __null #endif #endif #endif /* _SYS_NULL_H_ */