If the operation is not permitted, then an error message is issued at block 36, and {HEAD ~ the request} for rearrangement or {TAIL ~ reallocation} of memory is aborted and terminates at block 35 
for
If the operation is not permitted , then an error message is issued at block 36 , and { HEAD ~ the request } for rearrangement or { TAIL ~ reallocation } of memory is aborted and terminates at block 35
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH