1247 	int			fd, af_fd, mux_fd, arp_fd = -1, mux_id, retval;  in if_plumbif()  local
1281 	mux_fd = -1;  in if_plumbif()
1299 	if ((mux_fd = open(udp_dev, O_RDWR)) == -1)  in if_plumbif()
1302 	while (ioctl(mux_fd, I_POP, 0) != -1)  in if_plumbif()
1306 	if(ioctl(mux_fd, I_PUSH, ARP_MOD_NAME) == -1)  in if_plumbif()
1311 		if (ioctl(mux_fd, I_PLINK, fd) == -1)  in if_plumbif()
1334 	mux_id = ioctl(mux_fd, I_PLINK, fd);  in if_plumbif()
1337 	if (ioctl(mux_fd, I_PLINK, arp_fd) == -1) {  in if_plumbif()
1338 		ioctl(mux_fd, I_PUNLINK, mux_id);  in if_plumbif()
1349 	if (mux_fd != -1)  in if_plumbif()
1350 		close(mux_fd);  in if_plumbif()