Int 21 Fn F217  - Novell Netware V3+ - Get Connections Using A File        [N]

   AX = F217h subfn ECh
   CX = length of request buffer in bytes
   DX = length of reply buffer in bytes
   DS:SI -> request buffer (see below)
   ES:DI -> reply buffer (see below)

Return: AL = status
   reply buffer filled

Format of request buffer:
Offset Size    Description
 00h   WORD    0009h (length of following data)
 02h   BYTE    ECh (subfunction "Get Connections Using a File")
 03h   BYTE    data stream type
 04h   BYTE    volume number
 05h   DWORD   directory entry number
 09h   WORD    last record seen (0000h for first call)

Format of reply buffer:
Offset Size    Description
 00h   WORD    next request record
 02h   WORD    use count
 04h   WORD    open count
 06h   WORD    number of times open for reading
 08h   WORD    number of times open for writing
 0Ah   WORD    Deny Read count
 0Ch   WORD    Deny Write count
 0Eh   BYTE    flag: locked
 0Fh   BYTE    data stream type
 10h   WORD    number of records returned (max 70)
 12h 7N BYTEs  returned records
       Offset  Size    Description
        00h    WORD    connection number
        02h    WORD    task number
        04h    BYTE    lock type
        05h    BYTE    access flag
        06h    BYTE    lock flag