compare_props
pe2 = slp_tsearch((void *) pe, &slp_props, compare_props);
ans = slp_tfind(pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);
(void) slp_tsearch((void *) pe, &slp_props, compare_props);