| /* |
| * Copyright (c) 1991, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)cdefs.h 8.2 (Berkeley) 10/4/93 |
| */ |
| |
| #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 |
| |
| /* |
| * The __CONCAT macro is used to concatenate parts of symbol names, e.g. |
| * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. |
| * The __CONCAT macro is a bit tricky -- make sure you don't put spaces |
| * in between its arguments. __CONCAT can also concatenate double-quoted |
| * strings produced by the __STRING macro, but this only works with ANSI C. |
| */ |
| #if defined(__STDC__) || defined(__cplusplus) |
| #define __P(protos) protos /* full-blown ANSI C */ |
| #define __CONCAT(x,y) x ## y |
| #define __STRING(x) #x |
| |
| #if !defined(__GNUC__) && !defined(__cplusplus) |
| #define inline |
| #endif |
| |
| #else /* !(__STDC__ || __cplusplus) */ |
| #define __P(protos) () /* traditional C preprocessor */ |
| #define __CONCAT(x,y) x/**/y |
| #define __STRING(x) "x" |
| |
| #ifdef __GNUC__ |
| #define const __const /* GCC: ANSI C with -traditional */ |
| #define inline __inline |
| #define signed __signed |
| #define volatile __volatile |
| |
| #else /* !__GNUC__ */ |
| #define const /* delete ANSI C keywords */ |
| #define inline |
| #define signed |
| #define volatile |
| #endif /* !__GNUC__ */ |
| #endif /* !(__STDC__ || __cplusplus) */ |
| |
| /* |
| * GCC has extensions for declaring functions as `pure' (always returns |
| * the same value given the same inputs, i.e., has no external state and |
| * no side effects) and `dead' (nonreturning). These mainly affect |
| * optimization and warnings. Unfortunately, GCC complains if these are |
| * used under strict ANSI mode (`gcc -ansi -pedantic'), hence we need to |
| * define them only if compiling without this. |
| */ |
| #if defined(__GNUC__) && !defined(__STRICT_ANSI__) |
| #define __dead __volatile |
| #define __pure __const |
| #else |
| #define __dead |
| #define __pure |
| #endif |
| |
| #endif /* !_CDEFS_H_ */ |
