Int 2F Fn D800  U - Novell Netware Lite - Client.exe - Installation Check  [N]

   AX = D800h

Return: AL = FFh if installed
       DX = version number (0100h for v1.0, 0101h for v1.1)
       BX = data segment of resident copy
       ES:DI -> private API entry point (see below)
       SI = segment of resident code

See Also: AX=7A00h,AX=D880h

Call CLIENT API entry point with:
   BX = function
       0000h get ???

       Return: DX = CLIENT version??? (0101h for v1.1)
           ES:BX -> ??? data
       0001h ???
       0002h ???
       0003h ???
       0004h ???
       0005h ???
       DL = ???
       ???

       Return: ???
       0006h get module name???
       ES:DI -> 16-byte buffer

       Return: CX = ???
           ES:DI filled with "NWLITE_CLIENT" 00h 00h 00h
       0007h ???
       DX:CX = ???
       ???

       Return: ???
       0008h ???
       0009h ???
       DL = ???
       ES:DI -> 16-byte buffer for ???

       Return: CF clear if successful
               AX = 0000h
               CX = 0000h
               SI,DI destroyed
           CF set on error
               AX = error code 4903h
       000Ah ???
       AH = subfunction
           00h get ???
           01h clear/set ??? flag
           AL = new state (00h cleared, 01h set)
           02h set ???
           DX = new value of ???

       Return: DX = old value of ???
       000Bh ???
       AX = ???
       ???

       Return: ???
       000Ch ???
       AX = ???
       ???

       Return: ???
       000Dh ???
       AX = ???
       ???

       Return: ???
       000Eh get original INT 17

       Return: CF clear
           ES:BX -> original INT 17
       000Fh ???
       0010h ???
       AX = ???
       ???

       Return: ???
       0011h get ???

       Return: CF clear
           DL = ???
       0012h get ???
       AL = index of ???
       ES:DI -> 10-byte buffer for ???

       Return: CF clear if successful
               ES:DI buffer filled
               AX,CX destroyed
           CF set on error
               AX = error code (4907h if AL out of range)
       0013h get ???

       Return: CF clear
           DH = ???
           DL = ???
       0014h ???
       DL = ???
       ???

       Return: CF clear if successful
               ???
           CF set on error
               AX = error code 8056h
       0015h ???
       DX = ???

       Return: ES:DI -> ???
       other

       Return: CF set
           AX = 0001h (invalid function)