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STDDEF.H
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C/C++ Source or Header
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1999-11-17
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630b
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39 lines
/* ANSI common definitions */
/* $Header$ */
#ifndef NULL
#if __STDC__
#define NULL (void*)0
#else
#define NULL 0
#endif
#endif
#if ! _STDDEF_H
#define _STDDEF_H 1
/* doesn't really belong here, but the library function need it */
#if __STDC__
#define ARGS(args) args
#define Void void
#define Const const
#else
#define ARGS(args) ()
#define Void char
#define Const
#endif
#ifdef sparc
# include <sys/stdtypes.h>
#else
typedef unsigned size_t; /* may need long */
typedef int ptrdiff_t;
#endif /* sparc */
#define offsetof(type,id) ((size_t)&((type*)NULL)->id)
extern int errno; /* really belongs in <errno.h> */
#endif