INT 2fH 1400H: Is Nlsfunc.Exe Installed?

                                                         Compatibility: 3.0+ 
 Expects: AX    1400H
          ──────────────────────────────────────────────────────────────────
 Returns: AL    status: 00H = is not installed
                        ffH = is installed
          ──────────────────────────────────────────────────────────────────
    Info: Checks to see if NLSFUNC.EXE (National Language Support provider)
          has been executed and is resident in memory.

See Also: INT 2fH: Multiplex Interrupt
          DOS Functions
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