hotkey for changing a mesh to a subsurface and back again: shift+o

hotkey for changing display resolution for subdiv: ctrl+1 or 2 or 3 or 4
written by Green

source/blender/include/BDR_editobject.h

@@ -113,6 +113,7 @@ void auto_timeoffs(void);
 void texspace_edit(void);
 void first_base(void);
 void make_displists_by_obdata(void *obdata);
+void flip_subdivison(struct Object *ob, int);
 
 #endif /*  BDR_EDITOBJECT_H */