*/
extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t n);
+/*
+ * If the object named sha1 is present in the specified packfile,
+ * return its offset within the packfile; otherwise, return 0.
+ */
+extern off_t find_pack_entry_one(const unsigned char *sha1, struct packed_git *);
+
+extern int is_pack_valid(struct packed_git *);
extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *);
extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t);
extern void release_pack_memory(size_t);
-extern int open_packed_git(struct packed_git *p);
-
/* global flag to enable extra checks when accessing packed objects */
extern int do_check_packed_object_crc;