michael@0: /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /*
michael@0:  * Copyright (c) 1991, 1993
michael@0:  *	The Regents of the University of California.  All rights reserved.
michael@0:  *
michael@0:  * This code is derived from software contributed to Berkeley by
michael@0:  * Berkeley Software Design, Inc.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 1. Redistributions of source code must retain the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer.
michael@0:  * 2. Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in the
michael@0:  *    documentation and/or other materials provided with the distribution.
michael@0:  * 3. ***REMOVED*** - see 
michael@0:  *    ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
michael@0:  * 4. Neither the name of the University nor the names of its contributors
michael@0:  *    may be used to endorse or promote products derived from this software
michael@0:  *    without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
michael@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
michael@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
michael@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
michael@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
michael@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
michael@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
michael@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
michael@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
michael@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
michael@0:  * SUCH DAMAGE.
michael@0:  *
michael@0:  *	@(#)cdefs.h	8.7 (Berkeley) 1/21/94
michael@0:  */
michael@0: 
michael@0: #ifndef	_CDEFS_H_
michael@0: #define	_CDEFS_H_
michael@0: 
michael@0: #if defined(__cplusplus)
michael@0: #define	__BEGIN_DECLS	extern "C" {
michael@0: #define	__END_DECLS	}
michael@0: #else
michael@0: #define	__BEGIN_DECLS
michael@0: #define	__END_DECLS
michael@0: #endif
michael@0: 
michael@0: /*
michael@0:  * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
michael@0:  * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
michael@0:  * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
michael@0:  * in between its arguments.  __CONCAT can also concatenate double-quoted
michael@0:  * strings produced by the __STRING macro, but this only works with ANSI C.
michael@0:  */
michael@0: #if defined(__STDC__) || defined(__cplusplus) || defined(_WINDOWS) || defined(XP_OS2)
michael@0: #define	__P(protos)	protos		/* full-blown ANSI C */
michael@0: #define	__CONCAT(x,y)	x ## y
michael@0: #define	__STRING(x)	#x
michael@0: 
michael@0: /* On HP-UX 11.00, <sys/stdsyms.h> defines __const. */
michael@0: #ifndef __const
michael@0: #define	__const		const		/* define reserved names to standard */
michael@0: #endif  /* __const */
michael@0: #define	__signed	signed
michael@0: #define	__volatile	volatile
michael@0: #ifndef _WINDOWS
michael@0: #if defined(__cplusplus)
michael@0: #define	__inline	inline		/* convert to C++ keyword */
michael@0: #else
michael@0: #if !defined(__GNUC__) && !defined(__MWERKS__)
michael@0: #define	__inline			/* delete GCC keyword */
michael@0: #endif /* !__GNUC__ */
michael@0: #endif /* !__cplusplus */
michael@0: #endif /* !_WINDOWS */
michael@0: 
michael@0: #else	/* !(__STDC__ || __cplusplus) */
michael@0: #define	__P(protos)	()		/* traditional C preprocessor */
michael@0: #define	__CONCAT(x,y)	x/**/y
michael@0: #define	__STRING(x)	"x"
michael@0: 
michael@0: #ifndef __GNUC__
michael@0: #define	__const				/* delete pseudo-ANSI C keywords */
michael@0: #define	__inline
michael@0: #define	__signed
michael@0: #define	__volatile
michael@0: /*
michael@0:  * In non-ANSI C environments, new programs will want ANSI-only C keywords
michael@0:  * deleted from the program and old programs will want them left alone.
michael@0:  * When using a compiler other than gcc, programs using the ANSI C keywords
michael@0:  * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
michael@0:  * When using "gcc -traditional", we assume that this is the intent; if
michael@0:  * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
michael@0:  */
michael@0: #ifndef	NO_ANSI_KEYWORDS
michael@0: #define	const				/* delete ANSI C keywords */
michael@0: #define	inline
michael@0: #define	signed
michael@0: #define	volatile
michael@0: #endif
michael@0: #endif	/* !__GNUC__ */
michael@0: #endif	/* !(__STDC__ || __cplusplus) */
michael@0: 
michael@0: /*
michael@0:  * GCC1 and some versions of GCC2 declare dead (non-returning) and
michael@0:  * pure (no side effects) functions using "volatile" and "const";
michael@0:  * unfortunately, these then cause warnings under "-ansi -pedantic".
michael@0:  * GCC2 uses a new, peculiar __attribute__((attrs)) style.  All of
michael@0:  * these work for GNU C++ (modulo a slight glitch in the C++ grammar
michael@0:  * in the distribution version of 2.5.5).
michael@0:  */
michael@0: #if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC_MINOR__ < 5
michael@0: #define	__attribute__(x)	/* delete __attribute__ if non-gcc or gcc1 */
michael@0: #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
michael@0: #define	__dead		__volatile
michael@0: #define	__pure		__const
michael@0: #endif
michael@0: #endif
michael@0: 
michael@0: /* Delete pseudo-keywords wherever they are not available or needed. */
michael@0: #ifndef __dead
michael@0: #define	__dead
michael@0: #define	__pure
michael@0: #endif
michael@0: 
michael@0: #endif /* !_CDEFS_H_ */