-#define msg_lock(id) ((struct msg_queue*)ipc_lock(&msg_ids,id))
-#define msg_unlock(msq) ipc_unlock(&(msq)->q_perm)
-#define msg_rmid(id) ((struct msg_queue*)ipc_rmid(&msg_ids,id))
-#define msg_checkid(msq, msgid) \
- ipc_checkid(&msg_ids,&msq->q_perm,msgid)
-#define msg_buildid(id, seq) \
- ipc_buildid(&msg_ids, id, seq)
+#define msg_lock(id) ((struct msg_queue *)ipc_lock(&msg_ids, id))
+#define msg_unlock(msq) ipc_unlock(&(msq)->q_perm)
+#define msg_rmid(id) ((struct msg_queue *)ipc_rmid(&msg_ids, id))
+#define msg_checkid(msq, msgid) ipc_checkid(&msg_ids, &msq->q_perm, msgid)
+#define msg_buildid(id, seq) ipc_buildid(&msg_ids, id, seq)