diff options
Diffstat (limited to 'sysdeps/generic/net/if.h')
-rw-r--r-- | sysdeps/generic/net/if.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sysdeps/generic/net/if.h b/sysdeps/generic/net/if.h new file mode 100644 index 0000000000..fcfdbdb22a --- /dev/null +++ b/sysdeps/generic/net/if.h @@ -0,0 +1,50 @@ +/* net/if.h -- declarations for inquiring about network interfaces + Copyright (C) 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#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 */ |