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      1 /*	$NetBSD: sys.h,v 1.29 2023/04/25 17:51:32 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Christos Zoulas of Cornell University.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  *	@(#)sys.h	8.1 (Berkeley) 6/4/93
     35  */
     36 
     37 /*
     38  * sys.h: Put all the stupid compiler and system dependencies here...
     39  */
     40 #ifndef _h_sys
     41 #define	_h_sys
     42 
     43 #ifdef HAVE_SYS_CDEFS_H
     44 #include <sys/cdefs.h>
     45 #endif
     46 
     47 #if !defined(__attribute__) && !defined(__lint__) && (defined(__cplusplus) || !defined(__GNUC__)  || __GNUC__ == 2 && __GNUC_MINOR__ < 8)
     48 # define __attribute__(A)
     49 #endif
     50 
     51 #ifndef __BEGIN_DECLS
     52 # ifdef  __cplusplus
     53 #  define __BEGIN_DECLS  extern "C" {
     54 #  define __END_DECLS    }
     55 # else
     56 #  define __BEGIN_DECLS
     57 #  define __END_DECLS
     58 # endif
     59 #endif
     60 
     61 /* If your compiler does not support this, define it to be empty. */
     62 #define libedit_private __attribute__((__visibility__("hidden")))
     63 
     64 #ifndef __arraycount
     65 # define __arraycount(a) (sizeof(a) / sizeof(*(a)))
     66 #endif
     67 
     68 #ifndef __RCSID
     69 #define __RCSID(x)
     70 #endif
     71 
     72 #define	REGEX		/* Use POSIX.2 regular expression functions */
     73 #undef	REGEXP		/* Use UNIX V8 regular expression functions */
     74 
     75 #endif /* _h_sys */
     76