lib/net_if.in.h

   1 /* Substitute for <net/if.h>.
   2    Copyright (C) 2007-2024 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 Lesser General Public License as
   6    published by the Free Software Foundation; either version 2.1 of the
   7    License, 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 Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #ifndef _@GUARD_PREFIX@_NET_IF_H
  18
  19 #if __GNUC__ >= 3
  20 @PRAGMA_SYSTEM_HEADER@
  21 #endif
  22 @PRAGMA_COLUMNS@
  23
  24 #if @HAVE_NET_IF_H@
  25
  26 /* On some platforms, <net/if.h> assumes prior inclusion of
  27    <sys/socket.h>.  */
  28 # include <sys/socket.h>
  29
  30 /* The include_next requires a split double-inclusion guard.  */
  31 # @INCLUDE_NEXT@ @NEXT_NET_IF_H@
  32
  33 #endif
  34
  35 #ifndef _@GUARD_PREFIX@_NET_IF_H
  36 #define _@GUARD_PREFIX@_NET_IF_H
  37
  38 #if !@HAVE_NET_IF_H@
  39
  40 /* A platform that lacks <net/if.h>.  */
  41
  42 struct if_nameindex
  43 {
  44   unsigned if_index;
  45   char *if_name;
  46 };
  47
  48 # define IF_NAMESIZE 1 /* Without if_* functions, this supports only "". */
  49
  50 #endif
  51
  52 #endif /* _@GUARD_PREFIX@_NET_IF_H */
  53 #endif /* _@GUARD_PREFIX@_NET_IF_H */