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Annotation of 43BSDReno/include/stddef.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  *
        !            19:  *     @(#)stddef.h    5.2 (Berkeley) 5/17/90
        !            20:  */
        !            21: 
        !            22: #ifndef _STDDEF_H_
        !            23: #define _STDDEF_H_
        !            24: #include <machine/machtypes.h>
        !            25: 
        !            26: typedef        _PTRDIFF_T_     ptrdiff_t;
        !            27: 
        !            28: #ifdef _SIZE_T_
        !            29: typedef        _SIZE_T_        size_t;
        !            30: #undef _SIZE_T_
        !            31: #endif
        !            32: 
        !            33: #ifdef _WCHAR_T_
        !            34: typedef        _WCHAR_T_       wchar_t;
        !            35: #undef _WCHAR_T_
        !            36: #endif
        !            37: 
        !            38: #ifndef        NULL
        !            39: #define        NULL    0
        !            40: #endif
        !            41: 
        !            42: #define        offsetof(type, member)  ((size_t)(&((type *)0)->member))
        !            43: 
        !            44: #endif /* _STDDEF_H_ */

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