+#define Create_str(ID,INIT) char *ID=INIT
+#define Define_str(ID) char *ID=NULL
+#define Create_mem(ID,TYPE) struct TYPE *ID=get_mem(TYPE)
+#define Create_mem_in_context(ID,TYPE,CONTEXT) struct TYPE *ID=get_mem_in_context(TYPE,CONTEXT)
+#define Define_mem(ID,TYPE) struct TYPE *ID=NULL
+#define Define_mems(ID1,I2,TYPE) Define_mem(ID1,TYPE);Define_mem(ID2,TYPE)
+
+/* .... well....ehm...not very useful... :-) */
+#define Create_var(ID,TYPE,INIT) TYPE ID=INIT
+#define Define_var(ID,TYPE) TYPE ID