1 files changed, 3 insertions, 0 deletions
diff --git a/squarkdb.h b/squarkdb.h
index 743325e..68c1a2a 100644
--- a/squarkdb.h
+++ b/squarkdb.h
@@ -34,6 +34,9 @@ struct sqdb_header {
 	struct sqdb_section	section[SQDB_SECTION_MAX];
 };
 
+#define SQDB_PARENT_ROOT	0xffffff
+#define SQDB_PARENT_IPV4	0xfffffe
+
 struct sqdb_index_entry {
 	uint32_t		has_subdomains : 1;
 	uint32_t		has_paths : 1;