socketpairSOCKET1,SOCKET2,DOMAIN,TYPE,PROTOCOL
This function creates an unnamed pair of sockets in the specified
domain, of the specified type.
DOMAIN
,
TYPE
, and
PROTOCOL
are
specified the same as for
socketpair
(2). If
socketpair
(2)
is unimplemented,
invoking this function yields a fatal error. The function returns
true if successful.
This function is typically used just before a
fork
. One of the resulting processes should close
SOCKET1
, and the other should close
SOCKET2
. You can use these sockets bidirectionally,
unlike the filehandles created by the
pipe
function.
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