SQL query

Hello, i need to do the following VBA script in C++, but i dont know the functions to use in C nor the structures required.Please help . Thanks

Dim objConnection
Dim objCommand
Dim objRecordset
Dim STR_TAGS

Set objConnection = CreateObject("ADODB.Connection")
Set objCommand = CreateObject("ADODB.Command")
Set objRecordset = CreateObject("ADODB.Recordset")

objConnection.ConnectionString = "Provider=MSDASQL;DSN=CTS;"
objConnection.Open

objCommand.ActiveConnection = objConnection

objCommand.CommandText = "SELECT IDTAG FROM TBL_LIST"

Set objRecordset = objCommand.Execute

objRecordset.movefirst

Do While (Not objRecordset.EOF)
STR_TAGS = STR_TAGS & "," & objRecordset.Fields(0).Value
objRecordset.movenext
Loop

objConnection.Close
Set objCommand = Nothing
Set objRecordset = Nothing
Set objConnection = Nothing