環境：Visual C++ 5 SP1/2 WINDOW NT4或WINDOWS 95.
需求：#include<winsock2.h>
鏈接庫：Wsock32.lib
詳細代碼：
複製內容到剪貼板
代碼:
{
WORD wVersionRequested;
WSADATA wsaData;
char name[255];
CString ip;
PHOSTENT hostinfo;
wVersionRequested = MAKEWORD( 2, 0 );
if ( WSAStartup( wVersionRequested, &wsaData ) == 0 )
{
if( gethostname ( name, sizeof(name)) == 0)
{
if((hostinfo = gethostbyname(name)) != NULL)
{
ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list);
}
}
WSACleanup( );
}
} 
