Int 61 Fn 0D  - Pc/tcp Kernel V2.05+ - "is_netnd" - Check If Network Desc  [N]

   AH = 0Dh
   BX = possible network descriptor

Return: CF clear if valid
   CF set on error
       AX = error code (see #2990 at INT 61"FTP Software")

See Also: INT 61"FTP Software",INT 61/AH=00h"PC/TCP",INT 61/AH=08h"PC/TCP"

See Also: INT 61/AH=22h