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 INT 61"PC/TCP") See Also: INT 61"PC/TCP",INT 61/AH=00h"PC/TCP",INT 61/AH=08h"PC/TCP" See Also: INT 61/AH=22h