diff --git a/src/nzg_iface.h b/src/nzg_iface.h
index 50efc8c..812e3bd 100644
--- a/src/nzg_iface.h
+++ b/src/nzg_iface.h
@@ -54,10 +54,7 @@ typedef struct MsgSpace {
 } msgSpace;
 
 
-/* struct msgSpaceListElem * next; */
-
 typedef struct MsgSpaceListElem {
-//  void * id;
   int ownerPid;
   msgSpaceListElemId next;
 } msgSpaceListElem;
@@ -66,7 +63,7 @@ typedef struct MsgSpaceList {
   int elemCounter;
   msgSpaceListElemId first;
   msgSpaceListElemId last;
-} msgSpaceList, 
+} msgSpaceList;
 
 #endif
 /* */
diff --git a/src/nzg_proto.h b/src/nzg_proto.h
index 4c4d241..f0ddab3 100644
--- a/src/nzg_proto.h
+++ b/src/nzg_proto.h
@@ -25,7 +25,10 @@ int msgPoolIdIntern(msgPoolId dest, msgPoolId src, int num);
 int msgBufferInfoTabIdIntern(msgBufferInfoTabId dest, msgSpaceId src, int num);
 /* nzg_list.c */
 /* nzg_msgList.c */
-void *add(char *idAncien, char *idNouveau);
+int msgSpaceListInit(void);
+int msgSpaceListLock(void);
+int msgSpaceListUnlock(void);
+int msgSpaceListElemCreate(msgSpaceListElemId resultName, msgSpaceId spaceId);
 /* nzg_poolCreate.c */
 int msgPoolCreate(msgSpaceId externId, int poolIdx, int buffNb, int buffSize);
 /* nzg_poolDelete.c */
@@ -35,7 +38,7 @@ msgSpace *msgSpaceCreate(msgSpaceId externId, int queueNb, int poolNb, msgPool *
 /* nzg_spaceDelete.c */
 int msgSpaceDelete(msgSpaceId externId);
 /* nzg_spaceOpen.c */
-msgSpace *msgSpaceOpen(msgSpaceId spaceId);
+msgSpace *msgSpaceOpen(msgSpaceId externId);
 /* nzg_state.c */
 
 #endif