mon_reader
struct mon_reader r;
struct mon_reader *r;
struct mon_reader *r;
void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r)
void mon_reader_del(struct mon_bus *mbus, struct mon_reader *r)
struct mon_reader *r;
struct mon_reader r; /* In C, parent class can be placed anywhere */
void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r);
void mon_reader_del(struct mon_bus *mbus, struct mon_reader *r);