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The UnixWare 7 event library (libevent.so) is a direct port of the SCO OpenServer Release 5 event API, which allows applications to obtain device events directly.
The binary libevent API is already supported on SCO UnixWare 2.1.X systems; that is, an SCO OpenServer binary linked with a static version of libevent will run on SCO UnixWare 2.1.X systems. This port now allows developers to use the UDK to develop applications that use libevent interfaces; such programs will run on all three platforms.
Essentially, these routines allow a program to manage device events through an event queue. Devices such as mice or keyboards may be read through an event queue.
For more information, see the manual pages for the libevent routines in Section 3event manual pages.
The event interface is not part of any current industry standard.