extern char get_symbol_end (void);
extern void expr_begin (void);
extern void expr_set_precedence (void);
+extern void expr_set_rank (operatorT, operator_rankT);
extern segT expr (int, expressionS *, enum expr_mode);
extern unsigned int get_single_number (void);
extern symbolS *make_expr_symbol (expressionS * expressionP);