TAL Reference Summary

Standard Functions
TAL Reference Summary
52 096256 Tandem Computers Incorporated
$OFFSET Function The $OFFSET function returns the number of bytes from the address of the zeroth
structure occurrence to a structure data item.
104
$OFFSET
(
variable
)
$OPTIONAL Function The $OPTIONAL function controls whether a given parameter or parameter pair is
passed to a VARIABLE or EXTENSIBLE procedure. OPTIONAL is a D20 or later
feature.
param-pair
paramcond-expression
$OPTIONAL
(
,
213
)
$OVERFLOW Function The $OVERFLOW function checks the state of the overflow indicator and indicates
whether an overflow occurred during an arithmetic operation.
$OVERFLOW
105
$PARAM Function The $PARAM function checks for the presence or absence of an actual parameter in
the call that invoked the current procedure or subprocedure.
$PARAM
(
formal-param
)
106
$POINT Function The $POINT function returns the fpoint value, in integer form, associated with a FIXED
expression.
$POINT
(
fixed-expression
)
107