INT 31H 0b01H: Clear Debug Watchpoint

                                                    Compatibility: DPMI 0.9+ 
 Expects: AX    0b01H
          BX    watchpoint handle (as obtained via INT 31H 0b00H)
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 Returns: CF    NC (clear) if successful; else AX = DPMI Error Code
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    Info: Clears a debug watchpoint previously specified via INT 31H 0b00H
          and releases the watchpoint handle.

          You may use INT 31H 0b03H to clear the watchpoint without
          releasing the handle.

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