Berkeley description: An attempt was made to access an
open file (on an NFS filesystem) which is now unavailable as referenced
by the file descriptor. This may indicate the file was deleted on the
NFS server or some other catastrophic event occurred.
WinSock description: No equivalent. NFS is "network-related"
in the strictest sense, but the Network File System protocol is an
application protocol (i.e. a "high-level" protocol). The
Windows Sockets API provides access to "low-level" API's (like
the transport protocols TCP and UDP), so this error is not relevant to