INT 2F CU - NETWORK REDIRECTOR - DO REDIRECTION                                 
	AX = 111Eh
	SS = DOS DS
	STACK: WORD function to execute
		5F00h  get redirection mode
			BL = type (03h printer, 04h disk)
			Return: BH = state (00h off, 01h on)
		5F01h  set redirection mode
			BL = type (03h printer, 04h disk)
			BH = state (00h off, 01h on)
		5F02h  get redirection list entry
			BX = redirection list index
			DS:SI -> 16-byte local device name buffer
			ES:DI -> 128-byte network name buffer
			Return: must set user's BX to device type and CX to
				stored parameter value, using AX=1218h to get
				stack frame address
		5F03h  redirect device
			BL = device type (see INT 21/AX=5F03h)
			CX = stored parameter value
			DS:SI -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. source device name
			ES:DI -> destination ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. network path + ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. passwd
		5F04h  cancel redirection
			DS:SI -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. device name or network path
		5F05h  get redirection list extended entry
			BX = redirection list index
			DS:SI -> buffer for ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. source device name
			ES:DI -> buffer for destination ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. network path
			Return: BH = status flag
				BL = type (03h printer, 04h disk)
				CX = stored parameter value
				BP = NETBIOS local session number
		5F06h  similar to 5F05h???
Return: CF set on error
	    AX = error code (see #01680 at INT 21/AH=59h/BX=0000h)
	STACK unchanged
Notes:	this function is called by the DOS 3.1+ kernel on INT 21/AH=5Fh
	  (including LAN Manager calls)
	the PCIBM PC Network 1.00 redirector does not support function 5F06h
SeeAlso: INT 21/AX=5F00h,INT 21/AX=5F01h,INT 21/AX=5F02h,INT 21/AX=5F03h
SeeAlso: INT 21/AX=5F04h,INT 21/AX=5F05h,INT 21/AX=5F06h