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 htri_t
 ss_pers_equal(ss_pers_t *pers1,
               ss_pers_t *pers2,
               ss_prop_t UNUSED *props   /* A property list to indicate how the comparison should proceed. No properties
                                          * are currently defined. If an object contains persistent object links then the
                                          * pointed-to objects will be compared with ss_pers_eq() instead of recursively
                                          * calling ss_pers_equal(). */
               )
 {
     SS_ENTER(ss_pers_equal, htri_t);
     int                 cmp=-1;
     static char         mask[1024];
     static int          ncalls;

     /* Build the mask used to compare the two objects. */
     if (0==ncalls++) {
 #ifndef NDEBUG
         int i;
         for (i=0; i<SS_PERS_NCLASSES; i++) {
             SS_ASSERT(ss_pers_class_g[i].t_size<=sizeof mask);
         }
 #endif
         memset(mask, SS_VAL_CMP_DFLT, sizeof mask);
     }

     if (-2==(cmp=ss_pers_cmp(pers1, pers2, (ss_persobj_t*)mask))) SS_ERROR(FAILED);

 SS_CLEANUP:
     SS_LEAVE(0==cmp);
 }