github.com/afumu/libc@v0.0.6/musl/arch/generic/bits/msg.h (about)

     1  struct msqid_ds {
     2  	struct ipc_perm msg_perm;
     3  	time_t msg_stime;
     4  	time_t msg_rtime;
     5  	time_t msg_ctime;
     6  	unsigned long msg_cbytes;
     7  	msgqnum_t msg_qnum;
     8  	msglen_t msg_qbytes;
     9  	pid_t msg_lspid;
    10  	pid_t msg_lrpid;
    11  	unsigned long __unused[2];
    12  };