| /* net/if.h -- declarations for inquiring about network interfaces |
| Copyright (C) 2000-2014 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 */ |
