域名解析为ip地址

int GetIpByDomainName(const char *DName,unsigned char* ipaddr)
{
struct hostent *phost;


if(NULL == DName)
{
//DBG_ERR("DOMAIN NAME IS NULL\r\n");
return APP_FAIL;
}
if((phost = gethostbyname(DName)) == NULL)
{
// DBG_ERR("DOMAIN NAME CHANGE IP FAILE\r\n");
return APP_FAIL;
}
sprintf((char*)ipaddr,"%u.%u.%u.%u",
((unsigned char)phost->h_addr_list[0][0]),
((unsigned char)phost->h_addr_list[0][1]),
((unsigned char)phost->h_addr_list[0][2]),
((unsigned char)phost->h_addr_list[0][3])
);
return APP_OK;
}

来源：CSDN

作者：wangjidong198612

链接：https://blog.csdn.net/wangjidong198612/article/details/46807287