extern void shp_sel(struct nstr_item *, struct emp_qelem *);
extern struct ulist *shp_insque(struct shpstr *, struct emp_qelem *);
extern void shp_nav(struct emp_qelem *, double *, double *, int *, natid);
-extern void shp_put(struct emp_qelem *, natid);
+extern void shp_nav_put(struct emp_qelem *, natid);
extern int shp_sweep(struct emp_qelem *, int, int, natid);
extern enum d_navigation shp_check_nav(struct shpstr *, struct sctstr *);
extern int sect_has_dock(struct sctstr *);