1 struct semid_ds {
2 	struct ipc_perm sem_perm;
3 	int __unused1;
4 	time_t sem_otime;
5 	int  __unused2;
6 	time_t sem_ctime;
7 	unsigned short __sem_nsems_pad, sem_nsems;
8 	long __unused3;
9 	long __unused4;
10 };
11