INT 31H 0001H: Free LDT Descriptor

                                                    Compatibility: DPMI 0.9+ 
 Expects: AX    0001H
          BX    selector for the descriptor to be freed
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 Returns: CF    NC (clear) if successful; else AX = DPMI Error Code
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    Info: Frees the entry in the LDT that corresponds to the specified
          selector in BX.

          This does not free any memory allocation associated with the
          selector.

See Also: DPMI API
          INT 2fH: Multiplex Interrupt
          DOS Functions
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