readline/examples/rlversion.c

   1 /*
   2  * rlversion -- print out readline's version number
   3  */
   4
   5 /* Copyright (C) 1987-2009 Free Software Foundation, Inc.
   6
   7    This file is part of the GNU Readline Library (Readline), a library for
   8    reading lines of text with interactive input and history editing.
   9
  10    Readline is free software: you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation, either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    Readline is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with Readline.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #if defined (HAVE_CONFIG_H)
  25 #  include <config.h>
  26 #endif
  27
  28 #include <stdio.h>
  29 #include <sys/types.h>
  30 #include "posixstat.h"
  31
  32 #ifdef HAVE_STDLIB_H
  33 #  include <stdlib.h>
  34 #else
  35 extern void exit();
  36 #endif
  37
  38 #ifdef READLINE_LIBRARY
  39 #  include "readline.h"
  40 #else
  41 #  include <readline/readline.h>
  42 #endif
  43
  44 int
  45 main()
  46 {
  47         printf ("%s\n", rl_library_version ? rl_library_version : "unknown");
  48         exit (0);
  49 }