424 struct cu_header {  in udp_emu()  struct
425 	uint16_t	d_family;		// destination family  in udp_emu()
426 	uint16_t	d_port;			// destination port  in udp_emu()
427 	uint32_t	d_addr;			// destination address  in udp_emu()
428 	uint16_t	s_family;		// source family  in udp_emu()
429 	uint16_t	s_port;			// source port  in udp_emu()
430 	uint32_t	so_addr;		// source address  in udp_emu()
431 	uint32_t	seqn;			// sequence number  in udp_emu()
432 	uint16_t	message;		// message  in udp_emu()
433 	uint16_t	data_type;		// data type  in udp_emu()
434 	uint16_t	pkt_len;		// packet length  in udp_emu()