📄 lc_bcb_108.txt
字号:
取得本地internet机器的名字及IP地址
取得本地internet机器的名字及IP地址
一、下面的例子使用 Winsock API 取得本地主机的名字及地址
void __fastcall TForm1::Button1Click(TObject *Sender)
{
hostent *p;
char s[128];
char *p2;
//Get the computer name
gethostname(s, 128);
p = gethostbyname(s);
Memo1->Lines->Add(p->h_name);
//Get the IpAddress
p2 = inet_ntoa(*((in_addr
*)p->h_addr));
Memo1->Lines->Add(p2);
}
void __fastcall TForm1::FormCreate(TObject *Sender)
{
WORD wVersionRequested;
WSADATA wsaData;
//Start up WinSock
wVersionRequested = MAKEWORD(1, 1);
WSAStartup(wVersionRequested,
&wsaData);
}
void __fastcall TForm1::FormDestroy(TObject *Sender)
{
WSACleanup();
}