Modifies the security characteristics of a protected object.
    Format
      SYS$SET_SECURITY  [clsnam] ,[objnam] ,[objhan] ,[flags]
                        ,[itmlst] ,[contxt] ,[acmode]
    C Prototype
      int sys$set_security  (void *clsnam, void *objnam, unsigned
                            int *objhan, unsigned int flags, void
                            *itmlst, unsigned int *contxt, unsigned
                            int *acmode);
Additional Information:
explode
extract