1struct msqid_ds {
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;
10 msgqnum_t msg_qnum;
11 msglen_t msg_qbytes;
12 pid_t msg_lspid;
13 pid_t msg_lrpid;
14 unsigned long __unused[2];
15 time_t msg_stime;
16 time_t msg_rtime;
17 time_t msg_ctime;
18};