Ain
struct Ain lineloc;
extern struct Ain lineloc;
struct Ain w_start; /* Point to restart loop */
struct Ain w_end; /* End of loop (0 if unknown) */
void bseek(struct Ain *);
void btell(struct Ain *);
struct Ain a;
struct Ain o;
bseek(struct Ain *l)
btell(struct Ain *l)