1  /* Open a file, reusing a given stream, with error checking.
       2     Copyright (C) 2009-2023 Free Software Foundation, Inc.
       3  
       4     This file is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published
       6     by the Free Software Foundation, either version 3 of the License,
       7     or (at your option) any later version.
       8  
       9     This file is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #include <stdio.h>
      18  
      19  #ifdef __cplusplus
      20  extern "C" {
      21  #endif
      22  
      23  /* Opens the file FILENAME with mode MODE, reusing the given stream FP.
      24     Upon failure, emits an error message and exits the program.  */
      25  void xfreopen (char const *filename, char const *mode, FILE *fp);
      26  
      27  #ifdef __cplusplus
      28  }
      29  #endif