windows c语言解析dns

#include <winsock2.h>
#include <ws2tcpip.h>

int main()
{
    WSADATA wsaData;
    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
        printf("Failed to initialize winsock.");
        return 1;
    }

    struct addrinfo* result = NULL;
    struct addrinfo hints;
    ZeroMemory(&hints, sizeof(hints));
    hints.ai_family = AF_UNSPEC;
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_protocol = IPPROTO_TCP;

    if (getaddrinfo("www.example.com", "http", &hints, &result) != 0) {
        printf("Failed to resolve hostname.");
        WSACleanup();
        return 1;
    }

    // 遍历解析结果，获取对应的 IP 地址
    struct addrinfo* p = result;
    while (p != NULL) {
        if (p->ai_family == AF_INET) {
            struct sockaddr_in* ipv4 = (struct sockaddr_in*)p->ai_addr;
            char ip[INET_ADDRSTRLEN];
            inet_ntop(AF_INET, &(ipv4->sin_addr), ip, INET_ADDRSTRLEN);
            printf("IPv4 Address: %s\n", ip);
        } else if (p->ai_family == AF_INET6) {
            struct sockaddr_in6* ipv6 = (struct sockaddr_in6*)p->ai_addr;
            char ip[INET6_ADDRSTRLEN];
            inet_ntop(AF_INET6, &(ipv6->sin6_addr), ip, INET6_ADDRSTRLEN);
            printf("IPv6 Address: %s\n", ip);
        }
        p = p->ai_next;
    }

    freeaddrinfo(result);
    WSACleanup();
    return 0;
}