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 */