typedef void (*mach_msg_continue_t)(mach_msg_return_t); /* after wakeup */
#define MACH_MSG_CONTINUE_NULL ((mach_msg_continue_t) 0)
+typedef struct ipc_importance_elem *ipc_importance_elem_t;
+#define IIE_NULL ((ipc_importance_elem_t)0)
+
+typedef struct ipc_importance_task *ipc_importance_task_t;
+#define IIT_NULL ((ipc_importance_task_t)0)
+
+typedef struct ipc_importance_inherit *ipc_importance_inherit_t;
+#define III_NULL ((ipc_importance_inherit_t)0)
+
+
#else /* MACH_KERNEL_PRIVATE */
struct ipc_object ;