2 struct ipc_perm msg_perm;
3 unsigned long __msg_stime_lo;
4 unsigned long __msg_stime_hi;
5 unsigned long __msg_rtime_lo;
6 unsigned long __msg_rtime_hi;
7 unsigned long __msg_ctime_lo;
8 unsigned long __msg_ctime_hi;
9 unsigned long msg_cbytes;
14 unsigned long __unused[2];