usr/src/sys/sys/cdefs.h

/*
 * Copyright (c) 1988 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)cdefs.h     7.4 (Berkeley) %G%
 */

#ifndef _CDEFS_H_
#define _CDEFS_H_

#if defined(__cplusplus)
#define __BEGIN_DECLS   extern "C" {
#define __END_DECLS     };
#else
#define __BEGIN_DECLS
#define __END_DECLS
#endif

#if defined(__STDC__) || defined(__cplusplus)
#define __P(protos)     protos
#define __CONCAT(x,y)   x ## y
#define __STRING(x)     #x
#else
#ifdef __GNUC__
#define const           __const
#define inline          __inline
#define signed          __signed
#define volatile        __volatile
#else
#define const
#define inline
#define signed
#define volatile
#endif
#define __P(protos)     ()
#define __CONCAT(x,y)   x/**/y
#define __STRING(x)     "x"
#endif

#endif /* !_CDEFS_H_ */