extern void add_excludes_from_file(struct dir_struct *, const char *fname);
extern void add_exclude(const char *string, const char *base,
int baselen, struct exclude_list *which);
+extern void free_excludes(struct exclude_list *el);
extern int file_exists(const char *);
extern char *get_relative_cwd(char *buffer, int size, const char *dir);