得到计算机的主机名和IP地址     作者:
转自: 中华技术网

编译：刘峰

环境：Visual C++ 5 SP1/2 WINDOW NT4或WINDOWS 95.

需求：#include<winsock2.h>

链接库：Wsock32.lib

详细代码：


{
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( );
}
}