.\" Copyright (c) 1983 The Regents of the University of California.
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.\" @(#)socketpair.2 6.2 (Berkeley) %G%
socketpair \- create a pair of connected sockets
socketpair(d, type, protocol, sv)
call creates an unnamed pair of connected sockets in
and using the optionally specified
The descriptors used in referencing the new sockets
The two sockets are indistinguishable.
A 0 is returned if the call succeeds, \-1 if it fails.
The call succeeds unless:
Too many descriptors are in use by this process.
The specified address family is not supported on this machine.
The specified protocol is not supported on this machine.
The specified protocol does not support creation of socket pairs.
The address \fIsv\fP does not specify a valid part of the
read(2), write(2), pipe(2)
This call is currently implemented only for the UNIX domain.