diff --git a/src/nwpw/nwpwlib/D3dB/olist.h b/src/nwpw/nwpwlib/D3dB/olist.h
index 9bee3df39d..95ad82c44b 100644
--- a/src/nwpw/nwpwlib/D3dB/olist.h
+++ b/src/nwpw/nwpwlib/D3dB/olist.h
@@ -10,11 +10,11 @@ typedef struct {
         int	*list;
 } OList_Type;
 
-extern	void	create_olist();
-extern	void	insert_olist();
-extern	int	index_olist();
-extern	void	destroy_olist();
-extern	void	print_olist();
+extern	void	create_olist(OList_Type*, int);
+extern	void	insert_olist(OList_Type*, int);
+extern	int	index_olist(OList_Type*, int);
+extern	void	destroy_olist(OList_Type*);
+extern	void	print_olist(OList_Type*);
 
 #endif
 /* $Id$ */
diff --git a/src/nwpw/nwpwlib/utilities/nwpw_emachine.c b/src/nwpw/nwpwlib/utilities/nwpw_emachine.c
index 1530836cfc..c5c6c13844 100644
--- a/src/nwpw/nwpwlib/utilities/nwpw_emachine.c
+++ b/src/nwpw/nwpwlib/utilities/nwpw_emachine.c
@@ -19,7 +19,7 @@
 
 
 
-extern void lattice_min_difference_();
+extern void lattice_min_difference_(double *, double *, double *);