如何利用SOCKET解析域名--作者-jcwKyl

#pragma comment(lib, "ws2_32")

#include <winsock2.h>
#include <stdio.h>
#include <assert.h>


int main() {
    struct hostent *host;
    WSADATA wsaData;
    int ret;

    ret = WSAStartup(0x0202, &wsaData);
    if(ret) {
        printf("error in WSAStartup: %d\n", WSAGetLastError());
        return 0;
    }

    host = gethostbyname("www.baidu.com");
    if(host == NULL) {
        printf("error in gethostbyname: %d\n", WSAGetLastError());
    } else {
        printf("name: %s\naddrtype; %d\naddrlength: %d\n",
            host->h_name, host->h_addrtype, host->h_length);
        printf("ip address: %s\n",
            inet_ntoa(*(struct in_addr*)host->h_addr_list[0]));
    }


    WSACleanup();
    return 0;
}