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iQCount = 0 iCount = Len(sDomain) ' While we haven't hit end-of-string While (iNdx <= iCount) ' Read a single char from our domain sChar = Mid(sDomain, iNdx, 1) ' If the char is a dot, then put our character count and the part of the string If (sChar = ".") Then sQName = sQName & Chr(iQCount) & sDotName iQCount = 0 sDotName = "" Else sDotName = sDotName + sChar iQCount = iQCount + 1 End If iNdx = iNdx + 1 Wend sQName = sQName & Chr(iQCount) & sDotName MakeQName = sQName End Function Private Sub ParseName(dnsReply() As Byte, iNdx As Integer, sName As String) Dim iCompress As Integer ' Compression index (index into original buffer) Dim iChCount As Integer ' Character count (number of chars to read from buffer) ' While we didn't encounter a null char (end-of-string specifier) While (dnsReply(iNdx) <> 0) ' Read the next character in the stream (length specifier) iChCount = dnsReply(iNdx) ' If our length specifier is 192 (0xc0) we have a compressed string If (iChCount = 192) Then ' Read the location of the rest of the string (offset into buffer) iCompress = dnsReply(iNdx + 1) ' Call ourself again, this time with the offset of the compressed string ParseName dnsReply(), iCompress, sName ' Step over the compression indicator and compression index iNdx = iNdx + 2 ' After a compressed string, we are done Exit Sub |
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正在阅读：VB学习:MX记录获取组件VB学习:MX记录获取组件
2004-03-10 09:52
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