INT 2F U - DOS 2.x PRINT.COM - ???
AH = 00h
???
Return: ???
Notes:  DOS 2.x PRINT.COM does not chain to previous INT 2F handler
values in AH other than 00h or 01h cause PRINT to return the number of
files in the queue in AH

See also: 2F01

2F00 - DOS 2.x PRINT.COM - ???