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usage(argv[0]);		usage(argv[0]);
}		}
}		}

retval = 1;		retval = 1;

name[0] = CTL_NET;		name[0] = CTL_NET;
name[1] = PF_LINK;		name[1] = PF_LINK;
name[2] = NETLINK_GENERIC;		name[2] = NETLINK_GENERIC_MIB;
name[3] = IFMIB_SYSTEM;		name[3] = IFMIB_SYSTEM;
name[4] = IFMIB_IFCOUNT;		name[4] = IFMIB_IFCOUNT;

len = sizeof maxifno;		len = sizeof maxifno;
if (sysctl(name, 5, &maxifno, &len, 0, 0) < 0)		if (sysctl(name, 5, &maxifno, &len, 0, 0) < 0)
err(EX_OSERR, "sysctl(net.link.generic.system.ifcount)");		err(EX_OSERR, "sysctl(net.link.generic.system.ifcount)");

for (i = 1; i <= maxifno; i++) {		for (i = 1; i <= maxifno; i++) {
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