xref: /original-bsd/sys/sys/cdefs.h (revision 4e9331e4)
1 /*
2  * Copyright (c) 1988 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  *
17  *	@(#)cdefs.h	7.1 (Berkeley) 02/16/89
18  */
19 
20 /*
21  * This file is designed to ease the porting from standard C to ANSI C.
22  * It will eventually go away.
23  * Questions to K. Bostic.
24  */
25 
26 #ifdef __STDC__
27 #define	CONCAT(x,y)	x ## y
28 #define	PROTOTYPE(p)	p
29 #define	STRING(x)	#x
30 #else
31 #define	const
32 #define	volatile
33 #define	signed
34 #define	CONCAT(x,y)	x/**/y
35 #define	PROTOTYPE(p)	()
36 #define	STRING(x)	"x"
37 #endif
38