mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-18 00:41:06 +00:00
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* net/if.h -- declarations for inquiring about network interfaces
|
|
Copyright (C) 2000-2015 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _NET_IF_H
|
|
|
|
#define _NET_IF_H 1
|
|
#include <features.h>
|
|
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* Convert an interface name to an index, and vice versa. */
|
|
|
|
extern unsigned int if_nametoindex (const char *__ifname) __THROW;
|
|
extern char *if_indextoname (unsigned int __ifindex, char *__ifname) __THROW;
|
|
|
|
/* Return a list of all interfaces and their indices. */
|
|
|
|
struct if_nameindex
|
|
{
|
|
unsigned int if_index; /* 1, 2, ... */
|
|
char *if_name; /* null terminated name: "eth0", ... */
|
|
};
|
|
|
|
extern struct if_nameindex *if_nameindex (void) __THROW;
|
|
|
|
/* Free the data returned from if_nameindex. */
|
|
|
|
extern void if_freenameindex (struct if_nameindex *__ptr) __THROW;
|
|
|
|
__END_DECLS
|
|
|
|
|
|
#endif /* net/if.h */
|