.facility       avl
.prefix         avl_
.value          101

.severity	success
SUCCESS		<Normal completion>

.severity	error
NULROOT		<Internal failure>
NULRIGHT	<Internal failure>
NULLEFT		<Internal failure>
RBERR		<Internal failure>
LBERR		<Internal failure>
UNKBF		<Internal failure>
STKOFL		<Internal failure>
NOMEM		<Insufficient virtual memory>
BADHNDL		<Internal failure>