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``Event manager library calls'' lists the event manager routines for managing and accessing an event queue and the attached devices.
Event manager library calls
| Function | Description |
| ev_init | initialize event queue |
| ev_open | open the event queue, attach event devices |
| ev_close | close the event queue and all attached devices |
| ev_count | return the number of events in the queue |
| ev_read | get a pointer to the ``top'' event |
| ev_pop | pop the ``top'' event off the queue |
| ev_block | sleep until the queue is nonempty |
| ev_flush | pop (discard) all events in the queue |
| ev_getdev | get a list of devices feeding the queue |
| ev_gindev | exclude or later re-include a event device |
| ev_setemask | mask out certain kinds of events |
| ev_getemask | get the current event mask |
| ev_suspend | suspend the active event queue (make it inactive) |
| ev_resume | resume the suspended event queue |
All of the event manager routines that return an integer return a negative number if they fail. All of these routines with the exception of ev_init(S) and ev_open(S) fail if the calling program did not first initialize an event queue with the ev_init(S) routine.
The constants and types used in the event manager are defined in /usr/include/mouse.h.