#ifndef _UDP4_IMPL_H
  #define _UDP4_IMPL_H
  #include <net/udp.h>
  #include <net/udplite.h>
  #include <net/protocol.h>
  #include <net/inet_common.h>

  extern int  	__udp4_lib_rcv(struct sk_buff *, struct udp_table *, int );
  extern void 	__udp4_lib_err(struct sk_buff *, u32, struct udp_table *);

  extern int	udp_v4_get_port(struct sock *sk, unsigned short snum);

  
  extern int	udp_setsockopt(struct sock *sk, int level, int optname,

  			       char __user *optval, unsigned int optlen);

  extern int	udp_getsockopt(struct sock *sk, int level, int optname,
  			       char __user *optval, int __user *optlen);
  
  #ifdef CONFIG_COMPAT
  extern int	compat_udp_setsockopt(struct sock *sk, int level, int optname,

  				      char __user *optval, unsigned int optlen);

  extern int	compat_udp_getsockopt(struct sock *sk, int level, int optname,
  				      char __user *optval, int __user *optlen);
  #endif
  extern int	udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
  			    size_t len, int noblock, int flags, int *addr_len);
  extern int	udp_sendpage(struct sock *sk, struct page *page, int offset,
  			     size_t size, int flags);
  extern int	udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);

  extern void	udp_destroy_sock(struct sock *sk);

  
  #ifdef CONFIG_PROC_FS
  extern int	udp4_seq_show(struct seq_file *seq, void *v);
  #endif
  #endif	/* _UDP4_IMPL_H */