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    1: /*
    2:  * Ipforward value get function for NEC EWS.
    3:  * Copyright (C) 1997 Kunihiro Ishiguro
    4:  *
    5:  * This file is part of GNU Zebra.
    6:  *
    7:  * GNU Zebra is free software; you can redistribute it and/or modify it
    8:  * under the terms of the GNU General Public License as published by the
    9:  * Free Software Foundation; either version 2, or (at your option) any
   10:  * later version.
   11:  *
   12:  * GNU Zebra is distributed in the hope that it will be useful, but
   13:  * WITHOUT ANY WARRANTY; without even the implied warranty of
   14:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   15:  * General Public License for more details.
   16:  *
   17:  * You should have received a copy of the GNU General Public License
   18:  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
   19:  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
   20:  * 02111-1307, USA.  
   21:  */
   22: 
   23: #include <zebra.h>
   24: 
   25: int
   26: ipforward ()
   27: {
   28:   int fd;
   29:   char buf[BUFSIZ];
   30:   struct mioc_rksym rks;
   31: 
   32:   fd = open ("/dev/kmem", O_RDWR);
   33:   if (fd < 0) {
   34:     /* need logging here */
   35:     return -1;
   36:   }
   37: 
   38:   rks.mirk_symname = "ipforwarding";
   39:   rks.mirk_buf = buf;
   40:   rks.mirk_buflen = sizeof (int);
   41: 
   42:   if (ioctl (fd, MIOC_READKSYM, &rks) < 0) {
   43:     /* need logging here */
   44:     return -1;
   45:   }
   46:   close (fd);
   47:   return *(int *)buf;
   48: }
   49: 
   50: int
   51: ipforward_on ()
   52: {
   53:   ;
   54: }
   55: 
   56: int
   57: ipforward_off ()
   58: {
   59:   ;
   60: }