static struct addrinfo *malloc_ai(uint16_t port, uint32_t addr) {
struct addrinfo *ai;
- ai = xmalloc_and_zero(sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
+ ai = xzalloc(sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
ai->ai_addr = (struct sockaddr *)(ai + 1);
ai->ai_addrlen = sizeof(struct sockaddr_in);