NetBSD/include/null.h
kleink c07f17e8d9 For the benefit of G++'s null pointer constant implementation, #define NULL
as __null with egcs 1.0 (GCC 2.90) and above.  As several headers are affected
by this change, move the definition into a new header file, <null.h>, to ease
maintenance.
1999-12-22 21:26:15 +00:00

10 lines
211 B
C

/* $NetBSD: null.h,v 1.1 1999/12/22 21:26:17 kleink Exp $ */
#ifndef NULL
#if !defined(__GNUG__) || __GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 90)
#define NULL 0
#else
#define NULL __null
#endif
#endif