--- /dev/null
+\r
+#define SYSTEM_STRUCTID_UNDEFINED 0\r
+#define SYSTEM_STRUCTID_SHEET 1\r
+#define SYSTEM_STRUCTID_FIFO32 2\r
+#define SYSTEM_STRUCTID_TEXTBOX 3\r
+#define SYSTEM_STRUCTID_CONSOLE 4\r
+#define SYSTEM_STRUCTID_FLOPPYDISK 5\r
+#define SYSTEM_STRUCTID_FILE 6\r
+\r