Index: /trunk/archive/pslib/include/psDlist.h
===================================================================
--- /trunk/archive/pslib/include/psDlist.h	(revision 602)
+++ /trunk/archive/pslib/include/psDlist.h	(revision 603)
@@ -93,4 +93,9 @@
 ;
 
+/** Sort a list. */
+psDlist *psDlistSort(psDlist *list,	///< List to sort
+		     int (*compare)(const void *a, const void *b) // Function to compare two list elements
+    );
+
 /* \} */ // End of DataGroup Functions
 
