Miscellaneous Functions 

    abort         abort a program
    asctime       convert time into text
    assert        assert that an expression is true
    atexit        specify routine to call on exit
    chkabort      check for ^C
    clock         return system clock time
    ctime         convert time into text
    exit          exit from a program
    _exit         _exit from a program
    expand_args   expand command line (very useful!)
    getenv        get environment variable
    GetHead       get first element in EXEC list
    GetPred       get preceding element in EXEC list
    GetSucc       get succeeding element in EXEC list
    GetTail       get last element in EXEC list
    localtime     unpack time
    LockAddr      semaphore routine
    LockAddrB     semaphore routine
    longjmp       jump to a saved setjmp
    main          main program entry point
    _main         _main program entry point
    onbreak       Set ^C function
    qsort         sort an array
    raise         raise a signal
    rega4         return contents of register A4 (different from geta4!)
    setbuf        select alternative stream buffering
    setjmp        prepare for future long jmp
    signal        establish event traps
    sleep         sleep for a while
    stack_abort   exit point for stack alloc failure
    system        call system command shell
    time          get current time
    TryLockAddr   semaphore routine
    TryLockAddrB  semaphore routine
    UnLockAddr    semaphore routine
    UnLockAddrB   semaphore routine
    wbmain        main program entry for WorkBench

    DICE ARexx Functions
    CreateDiceRexxPort       Create an application ARexx port
    CreateGobalDiceRexxPort  Create a global ARexx port
    DeleteDiceRexxPort       Delete a DICE ARexx port
    DoRexxCommand            Parse an incomming ARexx command
    GetDiceRexxPortSlot      Determine an application ARexx slot
    PlaceRexxCommand         Send a command to ARexx
    PlaceRexxCommandDirect   Send an ARexx command to an application
    ProcessRexxCommands      Handle incomming ARexx commands