+void VM_buf_create(void);
+void VM_buf_del (void);
+void VM_buf_getsize (void);
+void VM_buf_copy (void);
+void VM_buf_sort (void);
+void VM_buf_implode (void);
+void VM_bufstr_get (void);
+void VM_bufstr_set (void);
+void VM_bufstr_add (void);
+void VM_bufstr_free (void);
+