text: /*	$NetBSD: ns_var.h,v 1.6 1997/07/18 19:30:43 thorpej Exp $	*/
  
  /*
   * Copyright (c) 1995 Christos Zoulas.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by Christos Zoulas.
   * 4. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifdef _KERNEL
  extern	long ns_pexseq;
  extern	u_char nsctlerrmap[];
  
  struct socket;
  struct nspcb;
  struct ifnet;
  struct ns_ifaddr;
  struct sockaddr_ns;
  struct mbuf;
  struct ns_addr;
  struct route;
  struct ifnet_en;
  struct in_addr;
  struct sockaddr;
  
  /* ns.c */
  int ns_control __P((struct socket *, u_long, caddr_t, struct ifnet *,
  		    struct proc *));
  void ns_ifscrub __P((struct ifnet *, struct ns_ifaddr *));
  int ns_ifinit __P((struct ifnet *, struct ns_ifaddr *, struct sockaddr_ns *,
  		   int));
  struct ns_ifaddr *ns_iaonnetof __P((struct ns_addr *));
  
  /* ns_cksum.c */
  u_int16_t ns_cksum __P((struct mbuf *, int));
  
  /* ns_error.c */
  int ns_err_x __P((int));
  void ns_error __P((struct mbuf *, int, int ));
  void ns_printhost __P((struct ns_addr *));
  void ns_err_input __P((struct mbuf *));
  u_int32_t nstime __P((void));
  int ns_echo __P((struct mbuf *));
  
  /* ns_input.c */
  void ns_init __P((void));
  void nsintr __P((void));
  void *idp_ctlinput __P((int, struct sockaddr *, void *));
  void idp_forward __P((struct mbuf *));
  int idp_do_route __P((struct ns_addr *, struct route *));
  void idp_undo_route __P((struct route *));
  void ns_watch_output __P((struct mbuf *, struct ifnet *));
  
  /* ns_ip.c */
  struct ifnet_en *nsipattach __P((void));
  int nsipioctl __P((struct ifnet *, u_long, caddr_t));
  void idpip_input __P((struct mbuf *, ...));
  void nsipstart __P((struct ifnet *));
  int nsip_route __P((struct mbuf *));
  int nsip_free __P((struct ifnet *));
  void *nsip_ctlinput __P((int, struct sockaddr *, void *));
  
  /* ns_output.c */
  int ns_output __P((struct mbuf *, ...));
  
  /* ns_pcb.c */
  int ns_pcballoc __P((struct socket *, struct nspcb *));
  int ns_pcbbind __P((struct nspcb *, struct mbuf *, struct proc *));
  int ns_pcbconnect __P((struct nspcb *, struct mbuf *));
  void ns_pcbdisconnect __P((struct nspcb *));
  void ns_pcbdetach __P((struct nspcb *));
  void ns_setsockaddr __P((struct nspcb *, struct mbuf *));
  void ns_setpeeraddr __P((struct nspcb *, struct mbuf *));
  void ns_pcbnotify __P((struct ns_addr *, int, void (*)(struct nspcb *), long));
  void ns_rtchange __P((struct nspcb *));
  struct nspcb *ns_pcblookup __P((struct ns_addr *, u_short, int));
  
  #endif
  