  PROCEDURE [XREF] i#build_adaptable_seq_pointer (ring: 0 .. 15;
        segment: 0 .. 4095;
        offset: -80000000(16) .. 7fffffff(16);
        sequence_length: 0 .. 80000000(16);
          next_entry: 0 .. 7fffffff(16);
    VAR seq_p: ^SEQ ( * ));

