+void*
+mono_gc_make_descr_for_string (gsize *bitmap, int numbits)
+{
+ return NULL;
+}
+
+void*
+mono_gc_make_descr_for_object (gsize *bitmap, int numbits, size_t obj_size)
+{
+ return NULL;
+}
+
+void*
+mono_gc_make_descr_for_array (int vector, gsize *elem_bitmap, int numbits, size_t elem_size)
+{
+ return NULL;
+}
+