gethostbyname代码示例(Windows CE)

/* 
 * 功能: 由域名得到 IP 地址 
 * 入口参数: pDomain 域名,如: www.163.com 
 *           pIPBuff 保存解析后的 IP 
 * 出口参数: pIPBuff 保存解析后的 IP 
 * 返回值: TRUE:成功;FALSE:失败 
*/  
BOOL CGetIPFromURLDlg::DomainToIP(char *pDomain,char *pIPBuff)      
{  
    unsigned long lgIP = inet_addr(pDomain);  
  
    WSADATA wsaData;  
    WSAStartup(MAKEWORD(1,1),&wsaData);  
  
    //输入的IP字符串  
    if(lgIP != INADDR_NONE)  
    {  
        memcpy(pIPBuff,pDomain,strlen(pDomain));  
        WSACleanup();  
  
        return TRUE;  
    }  
  
    HOSTENT *host_entry;  
    host_entry = gethostbyname(pDomain);  
  
    if(host_entry != 0)       
    {  
        sprintf(pIPBuff,"%d.%d.%d.%d",  
            (host_entry->h_addr_list[0][0] & 0xff),  
            (host_entry->h_addr_list[0][1] & 0xff),  
            (host_entry->h_addr_list[0][2] & 0xff),  
            (host_entry->h_addr_list[0][3] & 0xff));  
    }  
    else  
    {  
        WSACleanup();  
        return FALSE;     
    }   
  
    WSACleanup();  
    return TRUE;   
}