LPNSPLOOKUPSERVICEBEGIN

type LPNSPLOOKUPSERVICEBEGIN = function(

  const lpProviderId: TGUID;

  lpqsRestrictions: LPWSAQUERYSETW;

  lpServiceClassInfo: LPWSASERVICECLASSINFOW;

  dwControlFlags: DWORD;

  lphLookup: LPHANDLE

):Integer;