1 struct ipc_perm {
2 	key_t __ipc_perm_key;
3 	uid_t uid;
4 	gid_t gid;
5 	uid_t cuid;
6 	gid_t cgid;
7 	mode_t mode;
8 	int __ipc_perm_seq;
9 	int __pad1;
10 	unsigned long __unused1;
11 	unsigned long __unused2;
12 };
13 
14 #define IPC_64 0x100
15