8 #define SYMNULL (struct symbol *)NULL
18 struct symbol *tab_clone(struct symbol *tab);
19 struct symbol *tab_new(void);
20 struct symbol *tab_add_symbol(struct symbol *tab, char *ident, short type, short check, int param_index, int soffset);
21 struct symbol *tab_lookup(struct symbol *tab, char *ident, short type);
22 struct symbol *tab_remove_symbol(struct symbol *tab, char *ident, short type);
23 struct symbol *tab_merge(struct symbol *tab, struct symbol *to_add, short check);
24 void check(struct symbol *tab, char *ident, short type);