more packages stuff

packages/PLStream/pl-feature.c

@@ -0,0 +1,10 @@
+int    defFeature(const char *c, int f, ...) {
+/**** add extra flags to engine: nowadays PL_set_prolog_flag */
+  return 0;
+}
+
+int    trueFeature(int f) {
+/**** define whether the feature is set or not */
+  return 0;
+}
+