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    {From: cs93djn@brunel.ac.uk (Daniel John Nye)}
    {
    Novell NetWare 2.11 API

            Novell no longer recommends the int 21h method for invoking the
            Netware functions. Int 21h will be supported indefinitely, but the
            net API calls for addressing the software through the Multiplex
            Interrupt (2Fh). You may address the API through int 2Fh in the same
            manner as int 21h; only the interrupt number is different.

    Function  0B6h  Novell NetWare SFT Level II - Extended File Attributes
    entry   AH      0B6h
            AL      00h     Get Extended File Attributes)
                    01h     Set Extended File Attributes)
            CL      attributes
                bit 0-3     unknown
                    4       transaction tracking file
                    5       indexing file (to be implemented)
                    6       read audit    (to be implemented)
                    7       write audit   (to be implemented)
            DS:DX   pointer to ASCIIZ pathname
    return  CF      set on error
            AL      error code
                    0FFh    file not found
                    8Ch     caller lacks privileges
            CL      current extended file attributes

    Function  0B7h  unknown or not used. Novell?

    Function  0B8h  Novell Advanced NetWare 2.0+ - Printer Functions
    entry   AH      0B8h
            AL      00h     Get Default Print Job Flags)
                    01h     Set Default Capture Flags)
                    02h     Get Specific Capture Flags)
                    03h     Set Specific Print Job Flags)
                    04h     Get Default Local Printer)
                    05h     Set Default Local Printer)
                    06h     Set Capture Print Queue)
                    07h     Set Capture Print Job)
                    08h     Get Banner User Name)
                    09h     Set Banner User Name)
            CX      buffer size
            DL      queuing server
            ES:BX   pointer to buffer
    return  none
    note    In NetWare 2.1, subfunction 06h, the Queuing Server specified by DL
            does not get set. Instead, the default server is used in subsequent
            printing function calls. The workaround is to use the Get and Set
            Preferred Server calls (function 0F0h). Set the Preferred server to
            the one you want, then set the Preferred server back to the original
            when you are finished.

    Function  0BBh  Novell NetWare 4.0 - Set End Of Job Statush
    entry   AH      0BBh
            AL      new EOJ flag
                    00h     disable EOJs
                    other   enable EOJs
    return  AL      old EOJ flag

    Function  0BCh  Novell NetWare 4.6 - Log Physical Recordh
    entry   AH      0BCh
            AL      flags byte
               bits 0       lock as well as log record
                    1       non-exclusive lock
                    2-7     unknown
            BP      timeout in timer ticks (1/18 sec)
            BX      file handle
            CX:DX   offset
            SI:DI   length
    return  AL      error code

    Function  0BDh  Novell NetWare 4.6 - Release Physical Recordh
    entry   AH      0BDh
            BX      file handle
            CX:DX   offset
    return  AL      error code

    Function  0BEh  Novell NetWare 4.6 - Clear Physical Recordh
    entry   AH      0BEh
            BX      file handle
            CX:DX   offset
    return  AL      error code

    Function  0BFh  Novell NetWare 4.6 - Log Record (FCB)
    entry   AH      0BFh
            AL      flags byte
               bits 0       lock as well as log record
                    1       non-exclusive lock
                    2-7     unknown
            BP      timeout in timer ticks (1/18 sec)
            BX:CX   offset
            DS:DX   pointer to FCB
            SI:DI   length
    return  AL      error code

    Function  0C0h  Novell NetWare 4.6 - Release Record (FCB)
    entry   AH      0C0h
            BX:CX   offset
            DS:DX   pointer to FCB
    return  AL      error code

    Function  0C1h  Novell NetWare 4.6 - Clear Record (FCB)
    entry   AH      0C1h
            BX:CX   offset
            DS:DX   pointer to FCB
    return  AL      error code

    Function  0C2h  Novell NetWare 4.6 - Lock Physical Record Seth
    entry   AH      0C2h
            AL      flags
               bits 0       unknown
                    1       non-exclusive lock
                    2-7     unknown
            BP      timeout in timer ticks (1/18 sec)
    return  AL      error code

    Function  0C3h  Novell NetWare 4.6 - Release Physical Record Seth
    entry   0C3h
    return  AL      error code

    Function  0C4h  Novell NetWare 4.6 - Clear Physical Record Seth
    entry   AH      0C4h
    return  AL      error code

    Function  0C5h  Novell NetWare 4.6 - Semaphores
    entry   AH      0C5h
            AL      00h     Open Semaphore)
                    DS:DX   pointer semaphore name
                    CL      initial value
                    return  CX:DX   semaphore handle
                            BL      open count
                    01h     Examine Semaphore)
                    return  CX      semaphore value (sign extended)
                            DL      open count
                    02h     Wait On Semaphore)
                            BP      timeout in timer ticks (1/18 sec)
                    03h     Signal Semaphore)
                    04h     Close Semaphore)
            CX:DX   semaphore handle (except function 00h)
    return  AL      error code

    Function  0C6h  Novell NetWare 4.6 - Get or Set Lock Mode
    entry   AH      0C6h
            AL      00h     set old "compatibility" mode
                    01h     set new extended locks mode
                    02h     get lock mode
    return  AL      current lock mode

    Function  0C7h  Novell NetWare 4.0 - TTS
    entry   AH      0C7h
            AL      00h     TTS Begin Transaction (NetWare SFT level II)
                    01h     TTS End Transaction   (NetWare SFT level II)
                    02h     TTS Is Available      (NetWare SFT level II)
                    03h     TTS Abort Transaction (NetWare SFT level II)
                    04h     TTS Transaction Status)
                    05h     TTS Get Application Thresholds)
                    06h     TTS Set Application Thresholds)
                    07h     TTS Get Workstation Thresholds)
                    08h     TTS Set Workstation Thresholds)
    return  AL      varies according to function called
                    (00h)   error code
                            CX:DX   transaction reference number
                    (01h)   error code
                    (02h)   completion code
                            00h     TTS not available
                            01h     TTS available
                            0FDh    TTS available but disabled
                    (03h)   error code
                    (04h-08h) unknown

    Function  0C8h  Novell NetWare 4.0 - Begin Logical File Locking
    entry   AH      0C8h
                    if function 0C6h lock mode 00h:
                    DL      mode
                            00h     no wait
                            01h     wait
                    if function 0C6h lock mode 01h:
                    BP      timeout in timer ticks (1/18 sec)
    return  AL      error code

    Function  0C9h  Novell NetWare 4.0 - End Logical File Locking
    entry   AH      0C9h
    return  AL      error code

    Function  0CAh  Novell NetWare 4.0  Log Personal File (FCB)
    entry   AH      0CAh
            DS:DX   pointer to FCB
                    if function 0C6h lock mode 01h:
                    AL      log and lock flag
                            00h     log file only
                            01h     lock as well as log file
                    BP      timeout in timer ticks (1/18 sec)
    return  AL      error code

    Function  0CBh  Novell NetWare 4.0 - Lock File Set
    entry   AH      0CBh
                    if function 0C6h lock mode 00h:
                    DL      mode
                            00h     no wait
                            01h     wait
                    if function 0C6h lock mode 01h:
                    BP      timeout in timer ticks (1/18 sec)
    return  AL      error code

    Function  0CCh  Novell NetWare 4.0 - Release File (FCB)
    entry   AH      0CCh
            DS:DX   pointer to FCB
    return  none

    Function  0CDh  Novell NetWare 4.0 - Release File Set
    entry   AH      0CDhh
    return  none

    Function  0CEh  Novell NetWare 4.0 - Clear File (FCB)
    entry   AH      0CEh
            DS:DX   pointer to FCB
    return  AL      error code

    Function  0CFh  Novell NetWare 4.0 - Clear File Set
    entry   AH      0CFhh
    return  AL      00h

    Function  0D0h  Novell NetWare 4.6 - Log Logical Record
    entry   AH      0D0h
            DS:DX   pointer record string
                    if function 0C6h lock mode 01h:
                    AL      flags
                       bits 0       lock as well as log the record
                            1       non-exclusive lock
                            2-7     unknown
                    BP      timeout in timer ticks (1/18 sec)
    return  AL      error code

    Function  0D1h  Novell NetWare 4.6 - Lock Logical Record Seth
    entry   AH      0D1h
                    if function 0C6h lock mode 00h:
            BP      timeout in timer ticks (1/18 sec)
            DL      mode
                    00h     no wait
                    01h     wait
                    if function 0C6h lock mode 01h:
    return  AL      error code

    Function  0D2h  Novell NetWare 4.0 - Release Logical Recordh
    entry   AH      0D2h
            DS:DX   pointer to record string
    return  AL      error code

    Function  0D3h  Novell NetWare 4.0 - Release Logical Record Seth
    entry   AH      0D3h
    return  AL      error code

    Function  0D4h  Novell NetWare 4.0 - Clear Logical Recordh
    entry   AH      0D4h
            DS:DX   pointer to record string
    return  AL      error code

    Function  0D5h  Novell NetWare 4.0 - Clear Logical Record Seth
    entry   AH      0D5h
    return  AL      error code

    Function  0D6h  Novell NetWare 4.0 - End Of Jobh
    entry   AH      0D6h
    return  AL      error code

    Function  0D7h  Novell NetWare 4.0 - System Logouth
    entry   AH      0D7h
    return  AL      error code

    Functions 0D8h, 0D9h unknown - Novell NetWare?

    Function  0DAh  Novell NetWare 4.0 - Get Volume Statistics
    entry   AH      0DAh
            DL      volume number
            ES:DI   pointer to reply buffer
    return  AL      00h
    note 1) reply buffer (struc)
            word    sectors/block
            word    total blocks
            word    unused blocks
            word    total directory entries
            word    unused directory entries
         16 bytes   volume name, null padded
            word    removable flag, 0 = not removable

    Function  0DBh  Novell NetWare 4.0 - Get Number Of Local Drivesh
    entry   AH      0DBh
    return  AL      number of local disks

    Function  0DCh  Novell NetWare 4.0 - Get Station Number (Logical ID)
    entry   AH      0DCh
    return  AL      station number
                    00h     if NetWare not loaded or this machine is a non-
                            dedicated server
            CX      station number in ASCII

    Function  0DDh  Novell NetWare 4.0 - Set Error Modeh
    entry   AH      0DDh
            DL      error mode
                    00h     display critical I/O errors
                    01h     extended errors for all I/O in AL
                    02h     extended errors for critical I/O in AL
    return  AL      previous error mode

    Function  0DEh  Novell NetWare 4.0 - Get/Set Broadcast Mode
    entry   AH      0DEh
            AL      broadcast mode
                    00h     receive console and workstation broadcasts
                    01h     receive console broadcasts only
                    02h     receive no broadcasts
                    03h     store all broadcasts for retrieval
                    04h     get broadcast mode
                    05h     disable shell timer interrupt checks
                    06h     enable shell timer interrupt checks
    return  AL      old broadcast mode

    Function  0DFh  Novell NetWare 4.0 - Capture
    entry   AH      0DFh
            AL      00h     Start LPT Capture)
                    01h     End LPT Capture)
                    02h     Cancel LPT Capture)
                    03h     Flush LPT Capture)
                    04h     Start Specific Capture)
                    05h     End Specific Capture)
                    06h     Cancel Specific Capture)
                    07h     Flush Specific Capture)
    return  AL      error code

    Function  0E0h  Novell NetWare - Print Spooling
    entry   AH      0E0h
            DS:SI   pointer to request buffer
                    subfunction in third byte of request buffer:
                    00h     spool data to a capture file
                    01h     close and queue capture file
                    02h     set spool flags
                    03h     spool existing file
                    04h     get spool queue entry
                    05h     remove entry from spool queue
                    06h     get printer status
                    09h     create a disk capture file
            ES:DI   pointer to reply buffer
    return  AL      error code

    Function  0E1h  Novell NetWare 4.0 - Broadcast Messages
    entry   AH      0E1h
            DS:SI   pointer to request buffer
                    subfunction in third byte of request buffer:
                    00h     send broadcast message
                    01h     get broadcase message
                    02h     disable station broadcasts
                    03h     enable station broadcasts
                    04h     send personal message
                    05h     get personal message
                    06h     open message pipe
                    07h     close message pipe
                    08h     check pipe status
                    09h     broadcast to console
            ES:DI   pointer to reply buffer
    return  AL      error code

    Function  0E2h  Novell NetWare 4.0 - Directory Functions
    entry   AH      0E2h
            DS:SI   pointer to request buffer
            ES:DI   pointer to reply buffer
                    subfunction in third byte of request buffer:
                    00h     Set Directory Handle)
                    01h     Get Directory Path)
                    02h     Scan Directory Information)
                    03h     Get Effective Directory Rights)
                    04h     Modify Maximum Rights Mask)
                    05h     unknown
                    06h     Get Volume Name)
                    07h     Get Volume Number)
                    08h     unknown
                    09h     unknown
                    0Ah     Create Directory)
                    0Bh     Delete Directory)
                    0Ch     Scan Directory For Trustees)
                    0Dh     Add Trustee To Directory)
                    0Eh     Delete Trustee From Directory)
                    0Fh     Rename Directory)
                    10h     Purge Erased Files)
                    11h     Restore Erased File)
                    12h     Allocate Permanent Directory Handle)
                    13h     Allocate Temporary Directory Handle)
                    14h     Deallocate Directory Handle)
                    15h     Get Volume Info With Handle)
                    16h     Allocate Special Temporary Directory Handle)
                    17h     retrieve a short base handle (Advanced NetWare 2.0)
                    18h     restore a short base handle (Advanced NetWare 2.0)
                    19h     Set Directory Information)
    return  AL      error code

    Function  0E3h  Novell NetWare 4.0 - Connection Control
    entry   AH      E3h
            DS:SI   pointer to request buffer
            ES:DI   pointer to reply buffer
                    subfunction in third byte of request buffer
                    00h     login
                    01h     change password
                    02h     map user to station set
                    03h     map object to number
                    04h     map number to object
                    05h     get station's logged information
                    06h     get station's root mask (obsolete)
                    07h     map group name to number
                    08h     map number to group name
                    09h     get memberset M of group G
                    0Ah     Enter Login Area)
                    0Bh     unknown
                    0Ch     unknown
                    0Dh     Log Network Message)
                    0Eh     get disk utilization (Advanced NetWare 1.0)
                    0Fh     scan file information (Advanced NetWare 1.0)
                    10h     set file information (Advanced NetWare 1.0)
                    11h     get file server information (Advanced NetWare 1.0)
                    12h     unknown
                    13h     get internet address (Advanced NetWare 1.02)
                    14h     login to file server (Advanced NetWare 2.0)
                    15h     get object connection numbers (Advanced NetWare 2.0)
                    16h     get connection information (Advanced NetWare 1.0)
                    17h-31h unknown
                    32h     create object (Advanced NetWare 1.0)
                    33h     delete object (Advanced NetWare 1.0)
                    34h     rename object (Advanced NetWare 1.0)
                    35h     get object ID (Advanced NetWare 1.0)
                    36h     get object name (Advanced NetWare 1.0)
                    37h     scan object (Advanced NetWare 1.0)
                    38h     change object security (Advanced NetWare 1.0)
                    39h     create propery (Advanced NetWare 1.0)
                    3Ah     delete property (Advanced NetWare 1.0)
                    3Bh     change property security (Advanced NetWare 1.0)
                    3Ch     scan property (Advanced NetWare 1.0)
                    3Dh     read property value (Advanced NetWare 1.0)
                    3Eh     write property value (Advanced NetWare 1.0)
                    3Fh     verify object password (Advanced NetWare 1.0)
                    40h     change object password (Advanced NetWare 1.0)
                    41h     add object to set (Advanced NetWare 1.0)
                    42h     delete object from set (Advanced NetWare 1.0)
                    43h     is object in set? (Advanced NetWare 1.0)
                    44h     close bindery (Advanced NetWare 1.0)
                    45h     open bindery (Advanced NetWare 1.0)
                    46h     get bindery access level (Advanced NetWare 1.0)
                    47h     scan object trustee paths (Advanced NetWare 1.0)
                    48h-0C7h unknown
                    0C8h    Check Console Privileges)
                    0C9h    Get File Server Description Strings)
                    0CAh    Set File Server Date And Time)
                    0CBh    Disable File Server Login)
                    0CCh    Enable File Server Login)
                    0CDh    Get File Server Login Status)
                    0CEh    Purge All Erased Files)
                    0CFh    Disable Transaction Tracking)
                    0D0h    Enable Transaction Tracking)
                    0D1h    Send Console Broadcast)
                    0D2h    Clear Connection Number)
                    0D3h    Down File Server)
                    0D4h    Get File System Statistics)
                    0D5h    Get Transaction Tracking Statistics)
                    0D6h    Read Disk Cache Statistics)
                    0D7h    Get Drive Mapping Table)
                    0D8h    Read Physical Disk Statistics)
                    0D9h    Get Disk Channel Statistics)
                    0DAh    Get Connection's Task Information)
                    0DBh    Get List Of Connection's Open Files)
                    0DCh    Get List Of Connections Using A File)
                    0DDh    Get Physical Record Locks By Connection and File)
                    0DEh    Get Physical Record Locks By File)
                    0DFh    Get Logical Records By Connection)
                    0E0h    Get Logical Record Information)
                    0E1h    Get Connection's Semaphores)
                    0E2h    Get Semaphore Information)
                    0E3h    Get LAN Driver's Configuration Information)
                    0E4h    unknown
                    0E5h    Get Connection's Usage Statistics)
                    0E6h    Get Object's Remaining Disk Space)
                    0E7h    Get Server LAN I/O Statistics)
                    0E8h    Get Server Miscellaneous Information)
                    0E9h    Get Volume Information)
    return  AL      error code

    Function  0E4h  Novell NetWare 4.0 - Set File Attributes (FCB)
    entry   AH      0E4h
            CL      file attributes byte
               bits 0       read only
                    1       hidden
                    2       system
                    3-6     undocumented - unknown
                    7       shareable
            DX:DX   pointer to FCB
    return  AL      error code

    Function  0E5h  Novell NetWare 4.0 - Update File Size (FCB)
    entry   AH      0E5h
            DS:DX   pointer to FCB
    return  AL      error code

    Function  0E6h  Novell NetWare 4.0 - Copy File To File (FCB)
    entry   AH      0E6h
            CX:DX   number of bytes to copy
            DS:SI   pointer to source FCB
            ES:DI   pointer to destination FCB
    return  AL      error code

    Function  0E7h  Novell NetWare 4.0 - Get File Server Date and Timeh
    entry   AH      0E7h
            DS:DX   pointer to 7-byte reply buffer
                    byte    year - 1900
                    byte    month
                    byte    day
                    byte    hours
                    byte    minutes
                    byte    seconds
                    byte    day of week (0 = Sunday)
    return  unknown

    Function  0E7h  Novell NetWare 4.6 - Set FCB Re-open Mode
    entry   AH      0E8h
            DL      mode
                    00h     no automatic re-open
                    01h     automatic re-open
    return  AL      error code

    Function  0E9h  Novell NetWare 4.6 - Shell's "Get Base Status"
    entry   AH      0E9h
            AL      00h     Get Directory Handle
            DX      drive number to check (0 = A:)
    return  AL      network pathbase
            AH      base flags:
                    00h     drive not currently mapped to a base
                    01h     drive is mapped to a permanent base
                    02h     drive is mapped to a temporary base
                    03h     drive exists locally

    Function  0EAh  Novell NetWare 4.6 - Return Shell Version
    entry   AH      0EAh
            AL      00h     get specialized hardware information
                    return  AL      hardware type
                                    00h     IBM PC
                                    01h     Victor 9000
                    01h     Get Workstation Environment Information)
                    ES:DI   pointer to 40-byte buffer
                   return  AH      00h     if MSDOS system
                           buffer  filled with three null-terminated entries:
                                   major operating system
                                   version
                                   hardware type

    Function  0EBh  Novell NetWare 4.6 - Log File
    entry   0EBh    Log File
            DS:DX   pointer to ASCIIZ filename
                    if function 0C6h lock mode 01h:
                    AL      flags
                            00h     log file only
                            01h     lock as well as log file
                    BP      timeout in timer ticks (1/18 second)
    return  AL      error code

    Function  0ECh  Novell NetWare 4.6 - Release Fileh
    entry   AH      0ECh
            DS:DX   pointer to ASCIIZ filename
    return  none

    Function  0EDh  Novell NetWare - Clear Fileh
    entry   AH      0EDh
            DS:DX   pointer to ASCIIZ filename
    return  AL      error code

    Function  0EEh  Novell NetWare - Get Node Address  (Physical ID)
    entry   AH      0EEh
    return  CX:BX:AX = six-byte address

    Function  0EFh  Novell Advanced NetWare 1.0+ - Get Drive Info
    entry   AH      0EFh
            buffer  00h     Get Drive Handle Table)
                    01h     Get Drive Flag Table)
                    02h     Get Drive Connection ID Table)
                    03h     Get Connection ID Table)
                    04h     Get File Server Name Table)
    return  ES:DI   pointer to shell status table

    Function  0F0h  Novell Advanced NetWare 1.0+ - Get/Set Preferred Server
    entry   AH      0F0h
            AL      00h     Set Preferred Connection ID)
                    01h     Get Preferred Connection ID)
                    02h     Get Default Connection ID)
                    03h     LPT Capture Active)
                    04h     Set Primary Connection ID)
                    05h     Get Primary Connection ID)
                    06h     Get Printer Status)
            DL      preferred file server
    return  AL      selected file server

    Function  0F1h  Novell Advanced NetWare 1.0+ - File Server Connection
    entry   AH      0F1h
            AL      00h     Attach To File Server)
                            DL      preferred file server
                    01h     Detach From File Server)
                    02h     Logout From File Server)
    return  AL      completion code

    Function  0F1h  Novell NetWare - unknown
    entry   AH      0F2h
    return  unknown

    Function  0F3h  Novell Advanced NetWare 2.0+ - File Server File Copy
    entry   AH      0F3h
            ES:DI   pointer to request string
                    word    source file handle
                    word    destination file handle
                    dword   starting offset in source
                    dword   starting offset in destination
                    dword   number of bytes to copy
    return  AL      status/error code
            CX:DX   number of bytes copied

    Function  0F3h  Novell NetWare
                    File Server File Copyh
    entry   AH      0F3h
    return  unknown

    Interrupt 5Ch   NETBIOS interface entry port, TOPS
    entry   AH      5Ch
            ES:BX   pointer to network control block
                    Subfunction in first NCB field (or with 80h for non-waiting
                    call)
                    10h     start session with NCB_NAME name (call)
                    11h     listen for call
                    12h     end session with NCB_NAME name (hangup)
                    14h     send data via NCB_LSN
                    15h     receive data from a session
                    16h     receive data from any session
                    17h     send multiple data buffers
                    20h     send unACKed message (datagram)
                    21h     receive datagram
                    22h     send broadcast datagram
                    23h     receive broadcast datagram
                    30h     add name to name table
                    31h     delete name from name table
                    32h     reset adapter card and tables
                    33h     get adapter status
                    34h     status of all sessions for name
                    35h     cancel
                    36h     add group name to name table
                    70h     unlink from IBM remote program (no F0h function)
                    71h     send data without ACK
                    72h     send multiple buffers without ACK
                    78h     find name
                    79h     token-ring protocol trace
    return  AL      status
                    00h     successful
                    01h     bad buffer size
                    03h     invalid NETBIOS command
                    05h     timeout
                    06h     receive buffer too small
                    08h     bad session number
                    09h     LAN card out of memory
                    0Ah     session closed
                    0Bh     command has been cancelled
                    0Dh     name already exists
                    0Eh     local name table full
                    0Fh     name still in use, can't delete
                    11h     local session table full
                    12h     remote PC not listening
                    13h     bad NCB_NUM field
                    14h     no answer to CALL or no such remote
                    15h     name not in local name table
                    16h     duplicate name
                    17h     bad delete
                    18h     abnormal end
                    19h     name error, multiple identical names in use
                    1Ah     bad packet
                    21h     network card busy
                    22h     too many commands queued
                    23h     bad LAN card number
                    24h     command finished while cancelling
                    26h     command can't be cancelled
                    0FFh    NETBIOS busy
    return  AL      error code (0 if none)
    note 1) When the NETBIOS is installed ints 13h and 17h are interrupted by the
            NETBIOS. Int 18h is moved to int 86h and one of int 02h or 03h is
            used by NETBIOS. Also, NETBIOS extends the int 15h/fns 90h and 91h
            functions (scheduler functions).
         2) Normally not initialized.
         3) TOPS network card uses DMA 1, 3 or none.
         4) Sytek PCnet card uses DMA 3.
         5) Structure of Network Control Block:
            byte    ncb_command
            byte    ncb_retcode
            byte    ncb_lsn
            byte    ncb_num
            dword   pointer to ncb_buffer
            word    ncb_length
         16 bytes   ncb_callname
         16 bytes   ncb_name
            byte    ncb_rto
            byte    ncb_sto
            dword   pointer to ncb_post
            byte    ncb_lana_num
            byte    ncb_cmd_cplt
         14 bytes   ncb_reserve
         6) Structure name:
         16 bytes   nm_name
            byte    nm_num
            byte    nm_status
         7) Structure A-status:
          6 bytes   as_ID
            byte    as_jumpers
            byte    as_post
            byte    as_major
            byte    as_minor
            word    as_interval
            word    as_crcerr
            word    as_algerr
            word    as_colerr
            word    as_abterr
            dword   as_tcount
            dword   as_rcount
            word    as_retran
            word    as_xresrc
          8 bytes   as_res0
            word    as_ncbfree
            word    as_ncbmax
            word    as_ncbx
          4 bytes   as_res1
            word    as_sespend
            word    as_msp
            word    as_sesmax
            word    as_bufsize
            word    as_names
         16 name    structures  as_name

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