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arphdr Struct Reference

#include <net/if_arp.h>


Detailed Description

ARP packet header structure.


Data Fields

u_short ar_hrd
 Format of hardware address. Nut/Net supports ARPHRD_ETHER only.
u_short ar_pro
 Format of protocol address. Only ETHERTYPE_IP is supported by Nut/Net.
u_char ar_hln
 Length of hardware address.
u_char ar_pln
 Length of protocol address.
u_short ar_op
 ARP operation. May be either ARPOP_REQUEST or ARPOP_REPLY.


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