#define SHMLBA 4096

struct shmid_ds

{

	struct ipc_perm shm_perm;

	size_t shm_segsz;

	time_t shm_atime;

	time_t shm_dtime;

	time_t shm_ctime;

	pid_t shm_cpid;

	pid_t shm_lpid;

	unsigned long shm_nattch;

	unsigned long __pad1;

	unsigned long __pad2;

};

struct shminfo {

	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];

};

struct shm_info {

	int __used_ids;

	unsigned long shm_tot, shm_rss, shm_swp;

	unsigned long __swap_attempts, __swap_successes;

};