memset(&ifr, 0, sizeof(struct ifreq));
slprintf(t, sizeof(t), "%s%d", PPP_DRV_NAME, ifunit);
strlcpy(ifr.ifr_name, t, IF_NAMESIZE);
memset(&ifr, 0, sizeof(struct ifreq));
slprintf(t, sizeof(t), "%s%d", PPP_DRV_NAME, ifunit);
strlcpy(ifr.ifr_name, t, IF_NAMESIZE);