Compatibility: 3.0+
Expects: AX    0100H
                                                                  
Returns: AL    status: 00H = is not installed
ffH = is installed
                                                                  
Info: Checks to see if PRINT.EXE has been executed and is resident in
memory.

Notes: The DOS print spooler is a dinosaur and has very little actual
value.

- -

INT 2fH 0100H: Is Print.Exe Installed?