Int 2F Fn 1684  P - Ms Windows - Apix - Get Api Entry Point                [W]

   AX = 1684h
   BX = 0022h (virtual device ID for APIX device) (see #2329)
   ES:DI = 0000h:0000h

Return: ES:DI -> VxD API entry point (see #2350)
         0000h:0000h if the VxD does not support API in current mode

See Also: AX=1684h"DEVICE API",INT 20"Windows"

(Table 2350)
Call APIX protected-mode entry point with:
   AH = function number
       00h get APIX version

       Return: CF clear
           AH = major version
           AL = minor version
       01h ???

       Return: CF clear
           AX = number of ???
       02h NOP

       Return: CF clear
       03h ???

       Return: CF clear
           AX = 0000h/FFFFh
       else

       Return: CF clear (bug?)

See Also: #2348,#2353