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- 【求助】【求助】如何在VC修改网关和主从DNS服务器的IP地址啊
- 【求助】Link出现问题
http://www.ittide.com/document/source/netware/ip.zip列举网络上所有资源http://www.ittide.com/document/source/netware/network.zip
找一下吧
http://www.ittide.com/document/source/netware/
{ CString strTemp;
struct hostent *host;
struct in_addr *ptr; // 获得IP地址
DWORD dwScope = RESOURCE_CONTEXT;
NETRESOURCE *NetResource = NULL;
HANDLE hEnum;
WNetOpenEnum( dwScope, NULL, NULL, NULL, &hEnum ); WSADATA wsaData;
//开始枚举网络资源
WSAStartup(MAKEWORD(1,1),&wsaData); if ( hEnum ) //如果句柄有效
{
DWORD Count = 0xFFFFFFFF;
DWORD BufferSize = 2048;
LPVOID Buffer = new char[2048];
// 调用WSAStartup后调用WNetEnumResource做进一步的枚举工作
WNetEnumResource( hEnum, &Count, Buffer, &BufferSize );
NetResource = (NETRESOURCE*)Buffer; char szHostName[200];
for ( unsigned int i = 0; i < BufferSize/sizeof(NETRESOURCE); i++, NetResource++ )
{
if ( NetResource->dwUsage == RESOURCEUSAGE_CONTAINER && NetResource->dwType == RESOURCETYPE_ANY )
{
if ( NetResource->lpRemoteName )
{
CString strFullName = NetResource->lpRemoteName;
if ( 0 == strFullName.Left(2).Compare("\\\\") )
strFullName = strFullName.Right(strFullName.GetLength()-2);
//获得主机名
gethostname( szHostName, strlen( szHostName ) );
//由主机名获得跟它对应的主机信息
host = gethostbyname(strFullName);
if(host == NULL) continue;
ptr = (struct in_addr *) host->h_addr_list[0];
// 提取IP地址信息,地址形式如下: 211.40.35.76
int a = ptr->S_un.S_un_b.s_b1; // 211
int b = ptr->S_un.S_un_b.s_b2; // 40
int c = ptr->S_un.S_un_b.s_b3; // 35
int d = ptr->S_un.S_un_b.s_b4; // 76 strTemp.Format("%s --> %d.%d.%d.%d",strFullName,a,b,c,d);
// m_list.AddString(strTemp); }
}
}
delete []Buffer;
// 结束枚举工作
WNetCloseEnum( hEnum );
} // 卸载Winsock.dll
WSACleanup();// 列出本机IP地址和名字
CString m_strIPAddress;
// WSADATA wsaData;
int iRet = WSAStartup(MAKEWORD(0x02, 0x02), &wsaData);
if (iRet != 0)
{
TRACE("初始化winsock动态库出错!");
m_strIPAddress = "";
return false;
} struct in_addr localaddr;
struct hostent *hp=NULL;
char hostname[50];
gethostname(hostname,49);//主机名 hp=gethostbyname(hostname);//主机信息
memcpy(&localaddr,hp->h_addr,hp->h_length);//地址 m_strIPAddress = inet_ntoa(localaddr);//变成char *
WSACleanup(); return true;
}
netenum1Dlg.obj : error LNK2001: unresolved external symbol _WSACleanup@0
netenum1Dlg.obj : error LNK2001: unresolved external symbol _WNetCloseEnum@4
netenum1Dlg.obj : error LNK2001: unresolved external symbol _gethostbyname@4
netenum1Dlg.obj : error LNK2001: unresolved external symbol _gethostname@8
netenum1Dlg.obj : error LNK2001: unresolved external symbol _WNetEnumResourceA@16
netenum1Dlg.obj : error LNK2001: unresolved external symbol _WSAStartup@8
netenum1Dlg.obj : error LNK2001: unresolved external symbol _WNetOpenEnumA@20
Debug/netenum1.exe : fatal error LNK1120: 7 unresolved externals
Error executing link.exe.netenum1.exe - 8 error(s), 0 warning(s)
高手能告诉我错在哪里啊