/* Link the serial port under the PPP multiplexor. */
if ((fdmuxid = ioctl(pppfd, I_LINK, fd)) < 0)
fatal("Can't link tty to PPP mux: %m");
/* Link the serial port under the PPP multiplexor. */
if ((fdmuxid = ioctl(pppfd, I_LINK, fd)) < 0)
fatal("Can't link tty to PPP mux: %m");