OFFSET ELEMENT POINTER

POSEP

CALL SEQUENCE

CALL POSEP (EPO)

INPUT PARAMETERS

INTEGER EPO

Defines the number of elements in the open structure where element pointer must be moved with respect to its current position.

PHIGS STATE

EFFECT

OFFSET ELEMENT POINTER increments the element pointer by EPO. EPO can be positive or negative. If the result is negative, element pointer is set to zero. If the result is greater than the number of elements in the structure, element pointer points to the last element in the structure.

ERRORS

5

Ignoring function, function requires state (PHOP,*, STOP,*)

SEE ALSO

open structure, set element pointer, set element pointer at label, inquire element pointer