NAME

qtest - check contents of the event queue

SYNOPSIS

C
Device qtest()

FORTRAN
integer*2 function qtest()

Pascal
function qtest: Device;

DESCRIPTION

Qtest returns zero if the queue is empty.  Otherwise, the device number of the first entry is returned, and the queue remains unchanged. 

SEE ALSO

qenter, qread, qreset

NOTE

This command can only be used in immediate mode. 

Version 2.3  —  July 04, 1985