stddef.h

来自「Keil uVision2」· C头文件 代码 · 共 26 行

/*--------------------------------------------------------------------------
STDDEF.H

Standard definitions.
Copyright (c) 1988-2004 Keil Elektronik GmbH and Keil Software, Inc.
All rights reserved.
--------------------------------------------------------------------------*/

#ifndef __STDDEF_H__
#define __STDDEF_H__

#ifndef NULL
 #define NULL ((void *) 0)
#endif

#ifndef _SIZE_T
 #define _SIZE_T
 typedef unsigned int size_t;
#endif

typedef long   ptrdiff_t;   // changed to 'long' due to 'far' pointer support
#define offsetof(s,m)	(size_t)&(((s code *)0)->m)

#endif