The following example sets the available state of the event EVNT to TRUE (available).
FREE(EVNT)
The following example sets the available state of the event designated by EVNTARAY[INDX] to TRUE (available).
FREE(EVNTARAY[INDX])
The following example assigns to WASPROCURED a value indicating the available state of the event FYLELOCK, and sets the available state of FYLELOCK to TRUE (available).
IF WASPROCURED := FREE(FYLELOCK) THEN...

