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 #ifndef __attribute__
  40 #  if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
  41 #    define __attribute__(x)
  42 #  endif
  43 #endif
  44
  45 #endif /* !_RL_STDC_H_ */