int l = snprintf(leasebuf, sizeof(leasebuf), "# %s %s %x %s %ld %x %u ",
iface->ifname, duidbuf, ntohl(c->iaid),
(c->hostname ? c->hostname : "-"),
int l = snprintf(leasebuf, sizeof(leasebuf), "# %s %s %x %s %ld %x %u ",
iface->ifname, duidbuf, ntohl(c->iaid),
(c->hostname ? c->hostname : "-"),