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|man pages section 3: Networking Library Functions Oracle Solaris 10 8/11 Information Library|
- create a pair of connected sockets
cc [ flag ... ] file ... -lsocket -lnsl [ library ... ] #include <sys/types.h> #include <sys/socket.h> int socketpair(int domain, int type, int protocol, int sv);
The socketpair() library call creates an unnamed pair of connected sockets in the specified address family domain, of the specified type, that uses the optionally specified protocol. The descriptors that are used in referencing the new sockets are returned in sv and sv. The two sockets are indistinguishable.
socketpair() returns -1 on failure and 0 on success.
The call succeeds unless:
The specified address family is not supported on this machine.
Too many descriptors are in use by this process.
There was insufficient user memory for the operation to complete.
There were insufficient STREAMS resources for the operation to complete.
The specified protocol does not support creation of socket pairs.
The specified protocol is not supported on this machine.
The process does not have appropriate privileges.
See attributes(5) for descriptions of the following attributes:
This call is currently implemented only for the AF_UNIX address family.