_WSAPROTOCOL_INFOA

type _WSAPROTOCOL_INFOA = record

  dwServiceFlags1: DWORD;

  dwServiceFlags2: DWORD;

  dwServiceFlags3: DWORD;

  dwServiceFlags4: DWORD;

  dwProviderFlags: DWORD;

  ProviderId: TGUID;

  dwCatalogEntryId: DWORD;

  ProtocolChain: WSAPROTOCOLCHAIN;

  iVersion: Integer;

  iAddressFamily: Integer;

  iMaxSockAddr: Integer;

  iMinSockAddr: Integer;

  iSocketType: Integer;

  iProtocol: Integer;

  iProtocolMaxOffset: Integer;

  iNetworkByteOrder: Integer;

  iSecurityScheme: Integer;

  dwMessageSize: DWORD;

  dwProviderReserved: DWORD;

  szProtocol: array [0..WSAPROTOCOL_LEN] of Char;

end;