};
} ethernet_arp_header_t;
+#define ARP_SENDER 0
+#define ARP_TARGET 1
+
extern u8 *format_ethernet_arp_header (u8 * s, va_list * va);
extern u8 *format_ethernet_arp_opcode (u8 * s, va_list * va);
extern u8 *format_ethernet_arp_hardware_type (u8 * s, va_list * va);