INT 21 - Novell NetWare - SYNCHRONIZATION SERVICES - CLEAR PHYSICAL RECORD SET
        AH = C4h
Desc:   unlock all physical records in the log table and remove them from the
          log table
Note:   this function is supported by NetWare 4.6+, Advanced NetWare 1.0+, and
          Alloy NTNX
SeeAlso: AH=C1h,AH=D5h