itebell
struct itebell *ib;
ib = (struct itebell *)addr;
ib = (struct itebell *)addr;
#define ITEIOCGBELL _IOR('Z', 0x76, struct itebell)
#define ITEIOCSBELL _IOW('Z', 0x77, struct itebell)
struct itebell *ib;
ib = (struct itebell *)addr;
ib = (struct itebell *)addr;
#define ITEIOCGBELL _IOR('Z', 0x76, struct itebell)
#define ITEIOCSBELL _IOW('Z', 0x77, struct itebell)
struct itebell *ib, *newib;
int initialize(const char *, struct itewinsize *, struct itebell *,
struct itewinsize *, struct itebell *);
struct itebell ib, newib;