ev_count(S)

ev_count -- returns the number of events currently in the queue

Syntax

cc . . . -levent

#include  <sys/types.h>
#include  <sys/param.h>
#include  <sys/sysmacros.h>
#include  <sys/page.h>
#include  <sys/event.h>
#include  <mouse.h>

int ev_count()

Description

ev_count Returns the number of events currently in the queue. An event queue must have been opened with ev_init and ev_open.

Diagnostics

ev_count returns -1 if there is not an open event queue.

See also

ev_block(S), ev_close(S), ev_flush(S), ev_getdev(S), ev_getemask(S), ev_gindev(S), ev_init(S), ev_open(S), ev_pop(S), ev_read(S), ev_resume(S), ev_setemask(S), ev_suspend(S)

Standards conformance

ev_count is not part of any currently supported standard; it is an extension of AT&T System V provided by the Santa Cruz Operation.

© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003