refsl 
	- Dereference ptr-to-string: *(oratext **)(((ub1*)<ptr>) + <offset>)
	with ptr-to-length: *(ub<lensize>*)(((ub1*)<ptr>) + <lenoffset>)
Usage
-------
refsl( ptr             <pointer>,
       offset          <ub8> default '0',
       lenoffset       <ub8> default '0',
       lensize         <ub8: 1 | 2 | 4 | 8 > default '2',
       Action returns: <string>[256])