-struct symbol_t *clone_table(struct symbol_t *table);
-struct symbol_t *new_table(void);
-struct symbol_t *table_add_symbol(struct symbol_t *table, char *identifier, short type, short check);
-struct symbol_t *table_lookup(struct symbol_t *table, char *identifier);
-struct symbol_t *table_remove_symbol(struct symbol_t *table, char *identifier);
-struct symbol_t *table_merge(struct symbol_t *table, struct symbol_t *to_add, short check);
-void check_variable(struct symbol_t *table, char *identifier);
-void check_field(struct symbol_t *table, char *identifier);
-
-#endif /* SYMBOL_TABLE_H */
+struct symbol *clone_tab(struct symbol *tab);
+struct symbol *new_tab(void);
+struct symbol *tab_add_symbol(struct symbol *tab, char *ident, short type, short check);
+struct symbol *tab_lookup(struct symbol *tab, char *ident);
+struct symbol *tab_remove_symbol(struct symbol *tab, char *ident);
+struct symbol *tab_merge(struct symbol *tab, struct symbol *to_add, short check);
+void check_variable(struct symbol *tab, char *ident);
+void check_field(struct symbol *tab, char *ident);