PACK_IDX_SIGNATURE   93 pack-write.c   		hdr.idx_signature = htonl(PACK_IDX_SIGNATURE);
PACK_IDX_SIGNATURE  593 sha1_file.c    	if (hdr->idx_signature == htonl(PACK_IDX_SIGNATURE)) {
PACK_IDX_SIGNATURE   20 show-index.c   	if (top_index[0] == htonl(PACK_IDX_SIGNATURE)) {