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/ Developer CD Series 1996 February: Tool Chest / Apple Developer CD Series Tool Chest February 1996 (Apple Computer)(1996).iso / Tool Chest / Interfaces & Libraries / Interfaces / CIncludes / NullDef.h < prev    next >
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C/C++ Source or Header  |  1995-08-05  |  399 b   |  26 lines  |  [TEXT/MPS ]
  1. /*
  2.     NullDef.h -- Common definitions
  3.     
  4.     Copyright Apple Computer,Inc.    1987-1990, 1994
  5.     All rights reserved.
  6.  
  7.  
  8.     NULL - this macro is defined by all ANSI headers and Types.h
  9. */
  10.  
  11. #ifndef __NULLDEF__
  12. #define __NULLDEF__
  13.  
  14. #ifdef NULL
  15. #undef NULL
  16. #endif
  17.  
  18. #if !defined(__cplusplus) && (defined(__SC__) || defined(THINK_C))
  19.     #define NULL ((void *) 0)
  20. #else
  21.     #define NULL 0
  22. #endif
  23.     
  24. #endif    /* __NULLDEF__ */
  25.  
  26.