شرح الكود التالى ......

إخوانى الأعزاء هل يمكنكم شرح الكود التالى و معظم إستخداماته؟؟؟؟

Private Declare Function inet_addr Lib "wsock32.dll" (ByVal s As String) As Long

Private Declare Function SendARP Lib "iphlpapi.dll" (ByVal DestIp As Long, ByVal ScrIP As Long, pMacAddr As Long, PhyAddrLen As Long) As Long

و شكرا .......