INT 61 - PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite.  See also IP, TCP/IP. kernel v2.05+ - "net_release" - CLOSE A NETWORK DESCRIPTOR
	AH = 08h
	BX = network descriptor
Return: CF clear if successful
	    AX = 0000h (BWPCTCP shim)
	CF set on error
	    AX = error code (see #03319)
Range:	INT 20 to INT E0, selected by configuration
Note:	the descriptor will be closed and resources released.  If a stream
	  descriptor, the protocol (FIN etc) is completed unless the
	  non-blocking option has been set.
SeeAlso: INT 61"FTP(File Transfer Protocol)  The standard protocol for copying files from one machine to another on a TCP/IP (Internet) network.  Also the program of the same name with which a user may transfer files. Software",INT 61/AH=00h"PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite.  See also IP, TCP/IP.",INT 61/AH=09h"PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite.  See also IP, TCP/IP."
SeeAlso: INT 63/AH=0Eh"BW-TCP"
                                                                                

INT 61 - Banyan VINES - CHECK VINES REVISION NUMBER IN RANGE (LONG)
	AH = 08h
	DS:DX -> 4-byte buffer containing the VINES revision number
	    DS:DX buffer contains revision number as
		10000d * major_ver + 100d * minor_ver + patch_revision
Return: AX = status
	    0000h valid version
	    0004h out of range
Note:	For Revision 5.53, the valid range is 4.10(0) to 6.19(99)
SeeAlso: AH=04h"VINES",AH=07h"VINES"