extern void x25_transmit_diagnostic(struct x25_neigh *, unsigned char);
extern void x25_transmit_clear_request(struct x25_neigh *, unsigned int, unsigned char);
extern void x25_transmit_link(struct sk_buff *, struct x25_neigh *);
extern void x25_transmit_diagnostic(struct x25_neigh *, unsigned char);
extern void x25_transmit_clear_request(struct x25_neigh *, unsigned int, unsigned char);
extern void x25_transmit_link(struct sk_buff *, struct x25_neigh *);