xref: /netbsd/include/errno.h (revision 65900038)
1 /*	$NetBSD: errno.h,v 1.11 2008/03/03 06:57:48 dholland Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1986, 1989, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  * (c) UNIX System Laboratories, Inc.
7  * All or some portions of this file are derived from material licensed
8  * to the University of California by American Telephone and Telegraph
9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10  * the permission of UNIX System Laboratories, Inc.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	from: @(#)errno.h	8.5 (Berkeley) 1/21/94
37  */
38 
39 #ifndef _ERRNO_H_
40 #define _ERRNO_H_
41 
42 #include <sys/cdefs.h>
43 #include <sys/errno.h>
44 #include <sys/featuretest.h>
45 
46 __BEGIN_DECLS
47 
48 /* note: this appears in both errno.h and signal.h */
49 #ifndef __errno
50 int *__errno(void);
51 #define __errno __errno
52 #endif
53 
54 #ifndef errno
55 #define errno (*__errno())
56 #endif
57 
58 #if defined(_NETBSD_SOURCE)
59 #ifndef __LIBC12_SOURCE__
60 extern const int sys_nerr __RENAME(__sys_nerr14);
61 extern const char *const *sys_errlist __RENAME(__sys_errlist14);
62 #endif
63 #endif
64 __END_DECLS
65 
66 #endif /* !_ERRNO_H_ */
67