/* $Header: RCS/orindxpath.h,v 1.4 91/11/15 16:23:00 hong Exp $ */

extern LispValue create_or_index_paths ARGS((Rel rel, LispValue clauses));
extern LispValue best_or_subclause_indices ARGS((Rel rel, LispValue subclauses, LispValue indices, LispValue examined_indexids, double subcost, LispValue selectivities));
extern LispValue best_or_subclause_index ARGS((Rel rel, LispValue subclause, LispValue indices));