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 出处:CSDN 作者:glling 责任编辑:linjixiong

  EnableProxy As Long
  EnableDns As Long
  End Type

  Private Type DNS_HEADER
  qryID As Integer
  options As Byte
  response As Byte
  qdcount As Integer
  ancount As Integer
  nscount As Integer
  arcount As Integer
  End Type

  Private Type HostEnt
  h_name As Long
  h_aliases As Long
  h_addrtype As Integer
  h_length As Integer
  h_addr_list As Long
  End Type

  Private Const hostent_size = 16

  Private Type servent
  s_name As Long
  s_aliases As Long
  s_port As Integer
  s_proto As Long
  End Type

  Private Function MakeQName(sDomain As String) As String
  Dim iQCount As Integer ' Character count (between dots)
  Dim iNdx As Integer ' Index into sDomain string
  Dim iCount As Integer ' Total chars in sDomain string
  Dim sQName As String ' QNAME string
  Dim sDotName As String ' Temp string for chars between dots
  Dim sChar As String ' Single char from sDomain string

  iNdx = 1



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