TCP/IP Programming Manual

Effect
The call failed.
Recovery
Correct the call. For a connected socket, use send, send_nw, recv, or recv_nw.
EMFILE (4024)
EMFILE
Cause
The network manager attempted to add too many routes.
Effect
The call failed.
Recovery
Close some files and retry the call.
EMSGSIZE (4106)
EMSGSIZE
Cause
The message was too large to be sent automatically, as required by the socket options.
Effect
The call failed.
Recovery
Reduce the message size and retry the call.
ENAMETOOLONG (4131)
ENAMETOOLONG
Cause
The call specified a process or file name that exceeds the maximum allowable name length.
Effect
The call failed.
Recovery
Correct the process or file name and retry the call.
ENETDOWN (4116)
ENETDOWN
Cause
The network is down. The operation encountered a dead network.
Effect
The call failed.
Recovery
Contact the network manager.
ENETRESET (4118)
ENETRESET
Cause
The network dropped the connection because of a reset. The host you were connected to failed
and rebooted.
Effect
The call failed, and all connections to the specified remote host were closed.
248 Socket Errors