Technical Standard: Networking Services (XNS), Issue 5.2 Draft 2.0
Copyright © 1999 The Open Group
Use of Sockets for Local UNIX Connections
Support for UNIX-Domain sockets is mandatory.
UNIX domain sockets provide process-to-process communication in a
is defined in
to identify the UNIX domain address family.
contains other definitions used in connection with UNIX domain sockets.
structure defined in
is large enough to accommodate a
and is aligned
at an appropriate boundary so that pointers to it can
be cast as pointers to
structures and used to access the fields of those structures
without alignment problems. When a
structure is cast as a
field maps onto the