tag	line	file	source code
ar_pln	75	include/linux/if_arp.h	unsigned char  ar_pln;    /* length of protocol address  */
ar_pln	332	net/inet/arp.c	arp->ar_pln = 4;
ar_pln	552	net/inet/arp.c	arp->ar_pln != 4)
ar_pln	182	net/inet/rarp.c	|| rarp->ar_pln != 4)