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glibc  2.9
ifaddrs.c
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00001 /* getifaddrs -- get names and addresses of all network interfaces
00002    Copyright (C) 2002, 2003 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <ifaddrs.h>
00021 #include <errno.h>
00022 #include <stdlib.h>
00023 
00024 /* Create a linked list of `struct ifaddrs' structures, one for each
00025    network interface on the host machine.  If successful, store the
00026    list in *IFAP and return 0.  On errors, return -1 and set `errno'.  */
00027 int
00028 getifaddrs (struct ifaddrs **ifap)
00029 {
00030   __set_errno (ENOSYS);
00031   return -1;
00032 }
00033 libc_hidden_def (getifaddrs)
00034 stub_warning (getifaddrs)
00035 
00036 void
00037 freeifaddrs (struct ifaddrs *ifa)
00038 {
00039   if (ifa == NULL)
00040     return;                 /* a la free, why not? */
00041 
00042   /* Can't be called properly if getifaddrs never succeeded.  */
00043   abort ();
00044 }
00045 libc_hidden_def (freeifaddrs)
00046 stub_warning (freeifaddrs)