1/*
2 * ++Copyright++ 1991, 1993
3 * -
4 * Copyright (c) 1991, 1993
5 *    The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 * 	This product includes software developed by the University of
18 * 	California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 * -
35 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
36 *
37 * Permission to use, copy, modify, and distribute this software for any
38 * purpose with or without fee is hereby granted, provided that the above
39 * copyright notice and this permission notice appear in all copies, and that
40 * the name of Digital Equipment Corporation not be used in advertising or
41 * publicity pertaining to distribution of the document or software without
42 * specific, written prior permission.
43 *
44 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
45 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
46 * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
47 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
48 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
49 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
50 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
51 * SOFTWARE.
52 * -
53 * --Copyright--
54 */
55
56/*
57 *	@(#)cdefs.h	8.1 (Berkeley) 6/2/93
58 *	$Id: cdefs.h,v 1.2 2004/07/19 05:54:07 marka Exp $
59 */
60
61#ifndef	_CDEFS_H_
62#define	_CDEFS_H_
63
64#if defined(__cplusplus)
65#define	__BEGIN_DECLS	extern "C" {
66#define	__END_DECLS	};
67#else
68#define	__BEGIN_DECLS
69#define	__END_DECLS
70#endif
71
72/*
73 * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
74 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
75 * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
76 * in between its arguments.  __CONCAT can also concatenate double-quoted
77 * strings produced by the __STRING macro, but this only works with ANSI C.
78 */
79#if defined(__STDC__) || defined(__cplusplus)
80#define	__P(protos)	protos		/* full-blown ANSI C */
81#define	__CONCAT(x,y)	x ## y
82#define	__STRING(x)	#x
83
84#define	__const		const		/* define reserved names to standard */
85#define	__signed	signed
86#define	__volatile	volatile
87#if defined(__cplusplus)
88#define	__inline	inline		/* convert to C++ keyword */
89#else
90#ifndef __GNUC__
91#define	__inline			/* delete GCC keyword */
92#endif /* !__GNUC__ */
93#endif /* !__cplusplus */
94
95#else	/* !(__STDC__ || __cplusplus) */
96#define	__P(protos)	()		/* traditional C preprocessor */
97#define	__CONCAT(x,y)	x/**/y
98#define	__STRING(x)	"x"
99
100#ifndef __GNUC__
101#define	__const				/* delete pseudo-ANSI C keywords */
102#define	__inline
103#define	__signed
104#define	__volatile
105/*
106 * In non-ANSI C environments, new programs will want ANSI-only C keywords
107 * deleted from the program and old programs will want them left alone.
108 * When using a compiler other than gcc, programs using the ANSI C keywords
109 * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
110 * When using "gcc -traditional", we assume that this is the intent; if
111 * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
112 */
113#ifndef	NO_ANSI_KEYWORDS
114#define	const				/* delete ANSI C keywords */
115#define	inline
116#define	signed
117#define	volatile
118#endif
119#endif	/* !__GNUC__ */
120#endif	/* !(__STDC__ || __cplusplus) */
121
122/*
123 * GCC1 and some versions of GCC2 declare dead (non-returning) and
124 * pure (no side effects) functions using "volatile" and "const";
125 * unfortunately, these then cause warnings under "-ansi -pedantic".
126 * GCC2 uses a new, peculiar __attribute__((attrs)) style.  All of
127 * these work for GNU C++ (modulo a slight glitch in the C++ grammar
128 * in the distribution version of 2.5.5).
129 */
130#if !defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
131#define	__attribute__(x)	/* delete __attribute__ if non-gcc or gcc1 */
132#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
133#define	__dead		__volatile
134#define	__pure		__const
135#endif
136#endif
137
138/* Delete pseudo-keywords wherever they are not available or needed. */
139#ifndef __dead
140#define	__dead
141#define	__pure
142#endif
143
144#endif /* !_CDEFS_H_ */
145