snl_allocz
struct ifmap *ifmap = snl_allocz(ss, sizeof(*ifmap));
struct iface *iface = snl_allocz(ss, sizeof(*iface));
struct iface **ifaces= snl_allocz(ss, new_size * sizeof(void *));
struct ifa *ifa = snl_allocz(ss, sizeof(*ifa));
struct ifa **sorted_ifaddrs = snl_allocz(ss, iface->ifa_count * sizeof(void *));
struct iface **sorted_ifaces = snl_allocz(&ss, ifmap->count * sizeof(void *));
char *buf = snl_allocz(ss, len + 1);
struct sockaddr_in *sin = snl_allocz(ss, sizeof(*sin));
struct sockaddr_in6 *sin6 = snl_allocz(ss, sizeof(*sin6));
nw->base = (char *)snl_allocz(ss, nw->size);
new_base = snl_allocz(nw->ss, new_size);
char *buf = (char *)snl_allocz(ss, maxlen + 1);
char *buf = (char *)snl_allocz(ss, maxlen);
array->items = (void **)snl_allocz(ss, size * sizeof(void *));
void *item = snl_allocz(ss, p->out_size);
void **new_array = (void **)snl_allocz(ss, new_size *sizeof(void *));
void *ptr = snl_allocz(ss, nla->nla_len);
void *ptr = snl_allocz(ss, NLA_DATA_LEN(nla));
void *ptr = snl_allocz(ss, NLA_DATA_LEN(nla));
sin = (struct sockaddr_in *)snl_allocz(ss, sizeof(struct sockaddr_in));
sin6 = (struct sockaddr_in6 *)snl_allocz(ss, sizeof(struct sockaddr_in6));