Int 65  U - Netsoft Dos-net V1.20+ - ??? Api                               [N]

   DX = 4147h
   BH = 03h
   BL = function number (00h-03h) (00h-04h for ROUTER.COM)
   ???

Return: CF clear if successful
       AX = ???
   CF set on error
       AX = error code
Range: INT ?? to INT ??, selected by configuration option; actual interrupt
     number and function number may be retrieved via INT 2A/AX=4147h

Note:  this API is supported by CLIENT.COM, SERVER.COM, DOSNET.COM, and
     ROUTER.COM

See Also: DX=4147h"INSTALLATION",INT 2A/AX=4147h