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	/*			/*
	* Structure of a 48-bit Ethernet address.			* Structure of a 48-bit Ethernet address.
	*/			*/
	struct ether_addr {			struct ether_addr {
	u_char octet[ETHER_ADDR_LEN];			u_char octet[ETHER_ADDR_LEN];
	} __packed;			} __packed;

	#define ETHER_IS_MULTICAST(addr) ((addr) & 0x01) / is address mcast/bcast? */			#define ETHER_IS_MULTICAST(addr) ((addr) & 0x01) / is address mcast/bcast? */
				#define ETHER_IS_BROADCAST(addr) \
				(((addr)[0] & (addr)[1] & (addr)[2] & \
				(addr)[3] & (addr)[4] & (addr)[5]) == 0xff)

	/*			/*
	* 802.1q Virtual LAN header.			* 802.1q Virtual LAN header.
	*/			*/
	struct ether_vlan_header {			struct ether_vlan_header {
	uint8_t evl_dhost[ETHER_ADDR_LEN];			uint8_t evl_dhost[ETHER_ADDR_LEN];
	uint8_t evl_shost[ETHER_ADDR_LEN];			uint8_t evl_shost[ETHER_ADDR_LEN];
	uint16_t evl_encap_proto;			uint16_t evl_encap_proto;
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