1#ifndef PACK_H2#define PACK_H34enum object_type {5OBJ_NONE,6OBJ_COMMIT,7OBJ_TREE,8OBJ_BLOB,9OBJ_TAG,10OBJ_DELTA,11};1213/*14* Packed object header15*/16#define PACK_SIGNATURE 0x5041434b /* "PACK" */17struct pack_header {18unsigned int hdr_signature;19unsigned int hdr_version;20unsigned int hdr_entries;21};2223#endif