#define SYMBOL_NEW 0x0800
#define SYMBOL_AUTO 0x1000
#define SYMBOL_CHECKED 0x2000
-#define SYMBOL_CHECK_DONE 0x4000
#define SYMBOL_WARNED 0x8000
#define SYMBOL_MAXLENGTH 256
struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
void expr_fprint(struct expr *e, FILE *out);
+struct gstr; /* forward */
+void expr_gstr_print(struct expr *e, struct gstr *gs);
static inline int expr_is_yes(struct expr *e)
{