diff --git a/src/proto.h b/src/proto.h
index 058ea4f..7f3202d 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -29,6 +29,9 @@ int msgBufferInfoTabIdIntern(msgBufferInfoTabId dest, msgSpaceId src, int num);
 int msgQueueSemIdIntern(msgQueueSemId dest, msgSpaceId externId, int queueIdx);
 int msgQueueIdIntern(msgQueueId dest, msgSpaceId externId, int queueIdx);
 int msgQueueElemIdIntern(msgQueueElemId dest, msgQueueId src, int counter);
+
+int	spaceListElemIdIntern(msgSpaceListElemId desc,msgSpaceId src);
+
 /* list.c */
 /* poolCreate.c */
 int msgPoolCreate(msgSpaceId externId, int poolIdx, int buffNb, int buffSize);