1    	/* stdc.h -- macros to make source compile on both ANSI C and K&R C compilers. */
2    	
3    	/* Copyright (C) 1993-2009 Free Software Foundation, Inc.
4    	
5    	   This file is part of the GNU Readline Library (Readline), a library
6    	   for reading lines of text with interactive input and history editing.      
7    	
8    	   Readline is free software: you can redistribute it and/or modify
9    	   it under the terms of the GNU General Public License as published by
10   	   the Free Software Foundation, either version 3 of the License, or
11   	   (at your option) any later version.
12   	
13   	   Readline is distributed in the hope that it will be useful,
14   	   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   	   GNU General Public License for more details.
17   	
18   	   You should have received a copy of the GNU General Public License
19   	   along with Readline.  If not, see <http://www.gnu.org/licenses/>.
20   	*/
21   	
22   	#if !defined (_RL_STDC_H_)
23   	#define _RL_STDC_H_
24   	
25   	/* Adapted from BSD /usr/include/sys/cdefs.h. */
26   	
27   	/* A function can be defined using prototypes and compile on both ANSI C
28   	   and traditional C compilers with something like this:
29   		extern char *func PARAMS((char *, char *, int)); */
30   	
31   	#if !defined (PARAMS)
32   	#  if defined (__STDC__) || defined (__GNUC__) || defined (__cplusplus)
33   	#    define PARAMS(protos) protos
34   	#  else
35   	#    define PARAMS(protos) ()
36   	#  endif
37   	#endif
38   	
39   	#ifndef __attribute__
40   	#  if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
41   	#    define __attribute__(x)
42   	#  endif
43   	#endif
44   	
45   	/* Moved from config.h.in because readline.h:rl_message depends on these
46   	   defines. */
47   	#if defined (__STDC__) && defined (HAVE_STDARG_H)
48   	#  define PREFER_STDARG
49   	#  define USE_VARARGS
50   	#else
51   	#  if defined (HAVE_VARARGS_H)
52   	#    define PREFER_VARARGS
53   	#    define USE_VARARGS
54   	#  endif
55   	#endif
56   	
57   	#endif /* !_RL_STDC_H_ */
58