typedef struct _LttvSimpleExpression LttvSimpleExpression;
typedef struct _LttvFilterTree LttvFilterTree;
-typedef struct _LttvFilter LttvFilter;
+#ifndef LTTVFILTER_TYPE_DEFINED
+typedef struct _LttvFilter LttvFilter;
+#define LTTVFILTER_TYPE_DEFINED
+#endif
/**
* @enum _LttvStructType
const LttEvent* event,
const LttTracefile* tracefile,
const LttTrace* trace,
- const LttvProcessState* state,
const LttvTracefileContext* context);
gboolean lttv_filter_tree_parse_branch(