Int 21 Fn 4C  - DOS 2+ - "exit" - Terminate With Return Code               [D]

   AH = 4Ch
   AL = return code

Return: never returns

Notes: unless the process is its own parent (see AH=26h, offset 16h in PSP),
     all open files are closed and all memory belonging to the process
     is freed
   all network file locks should be removed before calling this function

See Also: AH=00h,AH=26h,AH=4Bh,AH=4Dh,INT 15/AH=12h/BH=02h,INT 20,INT 22

See Also: INT 60/DI=0601h