A/UX® Programmer's Reference

intro(2) intro(2)
67 EAFNOSUPPORT Address not supported by protocol family
An address incompatible with the requested protocol was
used. For example, PUP Internet addresses cannot necessarily
be used with ARPANET protocols.
68 EADDRlNUSE Address already in use
Only one usage of each address is nonnally pennitted.
69 EADDRNOTAVAIL Can't assign requested address
Nonnally results from an attempt to create a socket with an
address not on this machine.
70 ENETDOWN Network is down
A socket operation encountered a dead network.
71 ENE TUNREACH Network is unreachable
A socket operation was attempted to an unreachable network.
72 ENETRESET Network dropped connection on reset
The connected host crashed and rebooted.
73 ECONNABORTED Software caused connection abort
A connection abort was caused that was internal to the host
machine.
74 ECONNRESET Connection reset by peer
A connection was forcibly closed by a peer. This nonnally
results from the peer executing shutdown(2).
75 ENOBUFS No buffer space available
An operation on a socket or pipe was not perfonned because
the system lacked sufficient buffer space.
76 EISCONN Socket is already connected
A connect request was made on an already connected
socket; or a sendto or sendmsg request on a connected
socket specified a destination other than the connected party.
77 ENOTCONN Socket is not connected
A request to send or receive data was disallowed because the
socket had already been shut down with a previous shutdown(2).
78 ESHUTDOWN Can't send after socket shutdown
A request to send data was disallowed because the socket had
already been shut down with a previous shutdown(2).
80 ETIMEDOUT Connection timed out
A connect request failed because the connected party did
February, 1990
Revision C
7