1 files changed, 3 insertions, 0 deletions
diff --git a/src/sfac.h b/src/sfac.h
index d1424fc7..000b859f 100644
--- a/src/sfac.h
+++ b/src/sfac.h
@@ -54,7 +54,10 @@ struct molecule
 
 extern double complex get_sfac(const char *n, double s, double en);
 extern struct molecule *load_molecule(void);
+extern void free_molecule(struct molecule *mol);
+extern struct molecule *copy_molecule(struct molecule *orig);
 extern double complex *get_reflections(struct molecule *mol, double en);
 extern void get_reflections_cached(struct molecule *mol, double en);
 
+
 #endif	/* SFAC_H */