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/*
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 * Copyright (c) 1991, 1993
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 *        The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Berkeley Software Design, Inc.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *        @(#)cdefs.h        8.8 (Berkeley) 1/9/95
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 */
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#ifndef        _SYS_CDEFS_H_
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#define        _SYS_CDEFS_H_
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/*
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 * Macro to test if we're using a GNU C compiler of a specific vintage
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 * or later, for e.g. features that appeared in a particular version
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 * of GNU C.  Usage:
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 *
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 *        #if __GNUC_PREREQ__(major, minor)
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 *        ...cool feature...
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 *        #else
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 *        ...delete feature...
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 *        #endif
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 */
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#ifdef __GNUC__
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#define        __GNUC_PREREQ__(x, y)                                                \
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        ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) ||                        \
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         (__GNUC__ > (x)))
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#else
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#define        __GNUC_PREREQ__(x, y)        0
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#endif
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#if defined(__cplusplus)
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#define        __BEGIN_DECLS        extern "C" {
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#define        __END_DECLS        };
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#else
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#define        __BEGIN_DECLS
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#define        __END_DECLS
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#endif
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#define        __CONCAT(x,y)        x ## y
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#define        __STRING(x)        #x
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#if defined(__cplusplus) || defined(__PCC__)
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#define        __inline        inline                /* convert to C++/C99 keyword */
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#else
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#ifndef __GNUC__
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#define        __inline                        /* delete GCC keyword */
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#endif
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#endif /* !__cplusplus */
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#ifdef __GNUC__
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#define        __packed        __attribute__((__packed__))
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#define        __noreturn        __attribute__((__noreturn__))
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#elif defined(__lint__)
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#define        __packed        /* delete */
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#define        __noreturn        /* delete */
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#elif defined(__PCC__)
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#define        __packed        _Pragma("packed")
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#define        __noreturn        /* delete */
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#elif defined(__SUNPRO_C)
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#define        __packed        /* delete */
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#define        __noreturn        /* delete */
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#else
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#define        __packed        error: no __packed for this compiler
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#define        __noreturn        /* delete */
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#endif
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#define        __P(protos)        ()
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#define        __RCSID(_s)
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#define        __COPYRIGHT(_s)
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#endif /* !_SYS_CDEFS_H_ */