1 files changed, 6 insertions, 0 deletions
diff --git a/regexp.h b/regexp.h
index 2f7aa02b3d..7137ffc329 100644
--- a/regexp.h
+++ b/regexp.h
@@ -17,6 +17,12 @@ struct regnode {
 
 typedef struct regnode regnode;
 
+struct reg_data {
+    U32 count;
+    U8 *what;
+    void* data[1];
+};
+
 typedef struct regexp {
 	I32 refcnt;
 	char **startp;