xalloc_zero
dt_col->cmd_event = (struct event*)xalloc_zero(
dt_col->inputs[i].event = (struct event*)xalloc_zero(
struct dt_collector* dt_col = (struct dt_collector*)xalloc_zero(
struct zone_ixfr* ixfr = xalloc_zero(sizeof(struct zone_ixfr));
state.data = xalloc_zero(sizeof(*state.data));
ixfr_store->data = xalloc_zero(sizeof(*ixfr_store->data));
hl = (struct metrics_acceptlist*)xalloc_zero(sizeof(*hl));
struct daemon_metrics* metrics = (struct daemon_metrics*)xalloc_zero(
sock->servers = xalloc_zero(nsd_bitset_size(nsd.child_count));
*udp = xalloc_zero((n + 1) * sizeof(struct nsd_socket));
*tcp = xalloc_zero((n + 1) * sizeof(struct nsd_socket));
*udp = xalloc_zero((*ifs + 1) * sizeof(struct nsd_socket));
*tcp = xalloc_zero((*ifs + 1) * sizeof(struct nsd_socket));
struct daemon_remote* rc = (struct daemon_remote*)xalloc_zero(
hl = (struct acceptlist*)xalloc_zero(sizeof(*hl));
udb_base* udb = (udb_base*)xalloc_zero(sizeof(*udb));
udb_alloc* alloc = (udb_alloc*)xalloc_zero(sizeof(*alloc));
void *xalloc_zero(size_t size);
struct event *ev = xalloc_zero(sizeof(*ev));