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                               int_restore

   Usage
   #include <int.h>
   int int_restore(unsigned vector);

   Description
   int_restore  will unlink the first interrupt handler which was  hooked
   into  specified  vector via int_intercept. This function must  not  be
   called  unless  an interrupt handler was linked to  the  vector  using
   int_intercept.  int_restore  is the complement  to  the  int_intercept
   function.

   Return Value
   The  value returned from int_restore indicates success or  failure.  A
   zero is returned on success otherwise -1.