Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/sys/oldprops b/sys/oldprops
new file mode 100644
index 0000000..5d202a9
--- /dev/null
+++ b/sys/oldprops
@@ -0,0 +1,4 @@
+
+// werden alle beide in keinem .c File benutzt...
+P_MAX_WC
+P_CONTENT