printf("IPv4 address: \n");
addr = (struct sockaddr_in *) ptr->ai_addr; /* address */
port = ntohs(addr->sin_port); /* port */
string = inet_ntop(addr->sin_family, &addr->sin_addr,
buffer, sizeof(buffer));
printf("IPv4 address: \n");
addr = (struct sockaddr_in *) ptr->ai_addr; /* address */
port = ntohs(addr->sin_port); /* port */
string = inet_ntop(addr->sin_family, &addr->sin_addr,
buffer, sizeof(buffer));