1/* Copyright (C) 1997-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library 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 GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <net/if.h>
19#include <errno.h>
20#include <stddef.h>
21
22unsigned int
23__if_nametoindex (const char *ifname)
24{
25 __set_errno (ENOSYS);
26 return 0;
27}
28libc_hidden_def (__if_nametoindex)
29weak_alias (__if_nametoindex, if_nametoindex)
30libc_hidden_weak (if_nametoindex)
31stub_warning (if_nametoindex)
32
33char *
34__if_indextoname (unsigned int ifindex, char ifname[IF_NAMESIZE])
35{
36 __set_errno (ENOSYS);
37 return NULL;
38}
39weak_alias (__if_indextoname, if_indextoname)
40libc_hidden_weak (if_indextoname)
41stub_warning (if_indextoname)
42
43void
44__if_freenameindex (struct if_nameindex *ifn)
45{
46}
47libc_hidden_def (__if_freenameindex)
48weak_alias (__if_freenameindex, if_freenameindex)
49libc_hidden_weak (if_freenameindex)
50stub_warning (if_freenameindex)
51
52struct if_nameindex *
53__if_nameindex (void)
54{
55 __set_errno (ENOSYS);
56 return NULL;
57}
58weak_alias (__if_nameindex, if_nameindex)
59libc_hidden_weak (if_nameindex)
60stub_warning (if_nameindex)
61

source code of glibc/inet/if_index.c