extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
/* General helper functions */
-extern void usage(const char *err, ...);
+extern void usage(const char *err);
+extern void die(const char *err, ...);
+extern int error(const char *err, ...);
+
extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2);
#endif /* CACHE_H */