Category: network

INT 61 - PC/TCP kernel v2.05+ - "is_netnd" - CHECK IF NETWORK DESCRIPTOR VALID

	AH = 0Dh
	BX = possible network descriptor
Return: CF clear if valid
	CF set on error
	    AX = error code (see #03319 at INT 61"FTP Software")
SeeAlso: INT 61"FTP Software",INT 61/AH=00h"PC/TCP",INT 61/AH=08h"PC/TCP"
SeeAlso: INT 61/AH=22h