short rpn_compact(rpnp_t *rpnp,rpn_cdefds_t **rpnc,short *count);
rpnp_t * rpn_expand(rpn_cdefds_t *rpnc);
void rpn_compact2str(rpn_cdefds_t *rpnc,ds_def_t *ds_def,char **str);
short rpn_compact(rpnp_t *rpnp,rpn_cdefds_t **rpnc,short *count);
rpnp_t * rpn_expand(rpn_cdefds_t *rpnc);
void rpn_compact2str(rpn_cdefds_t *rpnc,ds_def_t *ds_def,char **str);