NAME

AQLength − return number of events on audio event queue

SYNOPSIS

int
AQLength (

Audio ∗ audio);

DESCRIPTION

AQLength() returns number of events on the audio event queue for the audio server connection specified by audio. 

audio specifies the Audio structure associated with this connection. 

RETURN VALUE

Upon successful completion, AQLength() returns the number of events on the audio event queue for the audio connection. 

ERRORS

AQLength() does not return an error status. 

EXAMPLE

The following example gets the number of events on the audio event queue. 

int e_num;  /∗ number of events ∗/

Audio ∗ audio;  /∗ audio connection ∗/
.
.
.

/∗ get number of events on queue ∗/

e_num = AQLength(audio);

DEPENDENCIES

This function belongs to the Audio Library of functions that manage connections to an audio server.  The audio server must run on a system that has audio hardware. To find out whether or not your system has audio hardware, refer to the hardware manual that accompanies your system. 

AUTHOR

AQLength() was developed by HP. 

SEE ALSO

ACheckEvent(3X), ACheckMaskEvent(3X), AEventsQueued(3X), AMaskEvent(3X), ANextEvent(3X), APeekEvent(3X), APutBackEvent(3X), ASelectInput(3X). 

Using the Audio Application Program Interface.

Hewlett-Packard Company  —  HP-UX Release 8.07: November 1991