stddef.h

来自「上课老师给的8086仿真器」· C头文件 代码 · 共 18 行

/* 
 * STDDEF.H: standard definitions
 * Copyright (c) KEIL ELEKTRONIK GmbH and Franklin Software, Inc., 1991-1993
 */

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

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


typedef int          ptrdiff_t;
#define offsetof(s,m)	(size_t)&(((s *)0)->m)