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                              tsr_uninstall

   Usage
   #include <tsr.h>
   int tsr_uninstall(void)

   Description
   If  called  from  an active TSR (i.e. one that has not  yet  tried  to
   become  resident),  attempts  to  un-install  a  previously  installed
   version  of  the TSR program. If called from an active  TSR,  it  will
   attempt to un-install itself.

   Return Value
   0    if successful, otherwise:
   2    Can not remove, program is not loaded
   3    Can not remove, another TSR is installed on top of this program.