Function            MSetSensitivity - set mouse sensitivity

  Syntax              void MSetSensitivity(int horiz, int vert,
                                           int dspeedthresh);

  Prototype in        mousehk.h

  Remarks             sets the mouse sensitivity. The horiz and vert
                      parameters set the mickey/pixel ratio, as per
                      MSetRatio(), and the dspeedthresh parameter sets
                      the double speed threshold, as per MSetThreshold().

  Return value        nothing.

  See also            MGetSensitivity(), MSetRatio(), MSetThreshold()

  Example             see demomous.c