Berkeley description: No equivalent.
WinSock description: The current WinSock implementation
does not support the Windows Sockets specification version requested by
User suggestions: Do you have the WinSock DLL that
supports the version of the WinSock specification required by the
application? If so, is there an older DLL in a directory in the path
ahead of the directory containing the newer DLL? If not, check with your
WinSock vendor to see if they have a newer WinSock available.