uint32_t **used,
int *ref_status);
extern int delayed_reachability_test(struct shallow_info *si, int c);
-extern void prune_shallow(int show_only);
+#define PRUNE_SHOW_ONLY 1
+#define PRUNE_QUICK 2
+extern void prune_shallow(unsigned options);
extern struct trace_key trace_shallow;
extern int interactive_add(int argc, const char **argv, const char *prefix, int patch);