1 /* Substitute for <net/if.h>. 2 Copyright (C) 2007-2021 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 */