add directory gnu

gnu/glibc/glibc-1.03/stddef.h

@@ -0,0 +1,107 @@
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/*
+ *	ANSI Standard: 4.1.4 Common definitions	<stddef.h>
+ */
+
+#ifndef	_STDDEF_H
+
+/* All this #ifdef madness is so that only things which certain
+   headers need will be defined by them.  The ANSI standard says
+   this must be so.  Each header that needs the definitions of
+   `wchar_t', `size_t' or `NULL' #defines `__need_XXX' (where XXX
+   is what it needs) and it gets only the definitions it asks for.
+   The `__need_XXX' macro is automagically #undef'd before control
+   returns to the calling header.  The header need not check to
+   see if things are already defined, but it may do so using
+   `__XXX_defined' macros.  */
+#if	!defined(__need_wchar_t) && !defined(__need_size_t) &&	\
+	!defined(__need_ptrdiff_t) && !defined(__need_NULL)
+#define	_STDDEF_H	1
+#include <features.h>
+#endif
+
+
+#if	!defined(__ptrdiff_t_defined) &&			\
+	(defined(_STDDEF_H) || defined(__need_ptrdiff_t))
+#define	__ptrdiff_t_defined	1
+
+/* The result of subtracting two pointers.  */
+typedef long int ptrdiff_t;
+
+#endif	/* ptrdiff_t not defined and <stddef.h> or need ptrdiff_t.  */
+#undef	__need_ptrdiff_t
+
+
+#if	!defined(__size_t_defined) &&			\
+	(defined(_STDDEF_H) || defined(__need_size_t))
+#define	__size_t_defined	1
+
+/* The result of the `sizeof' operator.  */
+typedef unsigned long int size_t;
+
+#endif	/* size_t not defined and <stddef.h> or need size_t.  */
+#undef	__need_size_t
+
+
+#if	!defined(__wchar_t_defined) &&			\
+	(defined(_STDDEF_H) || defined(__need_wchar_t))
+#define	__wchar_t_defined	1
+
+/* Wide character type.
+   Unless the implementation of multibyte functions and the
+   corresponding locale information is changed, this must be
+   an unsigned integral type.
+   Locale-writers should change this as necessary to
+   be big enough to hold unique values not between 0 and 127,
+   and not the type's maximum value (unsigned version of -1),
+   for each defined multibyte character.  */
+typedef	unsigned char	wchar_t;
+
+#endif	/* wchar_t not defined and <stddef.h> or need wchar_t.  */
+#undef	__need_wchar_t
+
+
+#if	!defined(NULL) &&			\
+	(defined(_STDDEF_H) || defined(__need_NULL))
+
+/* Null pointer constant.  */
+/* IGNORE($ This cannot be just ((PTR) 0) because ((char *) 0) is wrong.  */
+#ifdef	__STDC__
+/* $) IFANSI($	*/
+#define	NULL	((void *) 0)
+/* $) IGNORE($	*/
+#else	/* Not ANSI C.  */
+/* $) IFTRAD($	*/
+#define	NULL	0
+/* $) IGNORE($	*/
+#endif	/* ANSI C.  */
+/* $)	*/
+
+#endif	/* NULL not defined and <stddef.h> or need NULL.  */
+#undef	__need_NULL
+
+
+#ifdef	_STDDEF_H
+/* Offset, in bytes, of member M in an S structure.  */
+#define	offsetof(s, m)	((size_t) &((s *) NULL)->m)
+#endif	/* <stddef.h> included.  */
+
+
+#endif	/* <stddef.h> not already included.  */