extern int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
extern int ip_do_nat(struct sk_buff *skb);
extern void ip_send_check(struct iphdr *ip);
extern int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
extern int ip_do_nat(struct sk_buff *skb);
extern void ip_send_check(struct iphdr *ip);
extern int ip_queue_xmit(struct sk_buff *skb, int ipfragok);
extern void ip_init(void);
extern int ip_append_data(struct sock *sk,
extern int ip_queue_xmit(struct sk_buff *skb, int ipfragok);
extern void ip_init(void);
extern int ip_append_data(struct sock *sk,
#define NET_ADD_STATS_USER(field, adnd) SNMP_ADD_STATS_USER(net_statistics, field, adnd)
extern unsigned long snmp_fold_field(void *mib[], int offt);
#define NET_ADD_STATS_USER(field, adnd) SNMP_ADD_STATS_USER(net_statistics, field, adnd)
extern unsigned long snmp_fold_field(void *mib[], int offt);
extern void snmp_mib_free(void *ptr[2]);
extern void inet_get_local_port_range(int *low, int *high);
extern void snmp_mib_free(void *ptr[2]);
extern void inet_get_local_port_range(int *low, int *high);