1  /* Host name canonicalization
       2  
       3     Copyright (C) 2005, 2009-2023 Free Software Foundation, Inc.
       4  
       5     Written by Derek Price <derek@ximbiot.com>
       6  
       7     This file is free software: you can redistribute it and/or modify
       8     it under the terms of the GNU Lesser General Public License as
       9     published by the Free Software Foundation, either version 3 of the
      10     License, or (at your option) any later version.
      11  
      12     This file is distributed in the hope that it will be useful,
      13     but WITHOUT ANY WARRANTY; without even the implied warranty of
      14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15     GNU Lesser General Public License for more details.
      16  
      17     You should have received a copy of the GNU Lesser General Public License
      18     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      19  
      20  #ifndef CANON_HOST_H
      21  # define CANON_HOST_H 1
      22  
      23  /* This file uses _GL_ATTRIBUTE_MALLOC.  */
      24  # if !_GL_CONFIG_H_INCLUDED
      25  #  error "Please include config.h first."
      26  # endif
      27  
      28  # include <stdlib.h>
      29  
      30  char *canon_host (char const *host)
      31    _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;
      32  char *canon_host_r (char const *host, int *cherror)
      33    _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;
      34  
      35  const char *ch_strerror (void);
      36  # define ch_strerror_r(cherror) gai_strerror (cherror);
      37  
      38  #endif /* !CANON_HOST_H */