1#ifndef REACHEABLE_H2#define REACHEABLE_H34struct progress;5struct rev_info;67extern int add_unseen_recent_objects_to_traversal(struct rev_info *revs,8timestamp_t timestamp);9extern void mark_reachable_objects(struct rev_info *revs, int mark_reflog,10timestamp_t mark_recent, struct progress *);1112#endif