Where Online Learning is simpler!

The C and C++ Include Header Files

/usr/include/readline/rlstdc.h


$ cat -n /usr/include/readline/rlstdc.h

     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	#if defined(__GNUC__) && __GNUC__ >= 2
    40	#  define __rl_attribute__(x) __attribute__(x)
    41	#else
    42	#  define __rl_attribute__(x)
    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_ */