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      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