Function vlan_set

tools/ifconfig/ifvlan.c:189–203

}

static void
vlan_set(int s, struct ifreq *ifr)
{
	if (params.vlr_tag != NOTAG && params.vlr_parent[0] != '\0') {
		ifr->ifr_data = (caddr_t) &params;
#ifndef FSTACK
		if (ioctl(s, SIOCSETVLAN, (caddr_t)ifr) == -1)
#else
		size_t offset = (char *)&(ifr->ifr_data) - (char *)ifr;
		size_t clen = sizeof(params);
		if (ioctl_va(s, SIOCSETVLAN, ifr, 3, offset, ifr->ifr_data, clen) == -1)
#endif
			err(1, "SIOCSETVLAN");
	}
}

static
DECL_CMD_FUNC(setvlantag, val, d)