int adb_request(struct adb_request *req, void (*done)(struct adb_request *),
int flags, int nbytes, ...);
int adb_register(int default_id,int handler_id,struct adb_ids *ids,
int adb_request(struct adb_request *req, void (*done)(struct adb_request *),
int flags, int nbytes, ...);
int adb_register(int default_id,int handler_id,struct adb_ids *ids,