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      1 /* Extended cpio format from POSIX.1.
      2    This file is part of the GNU C Library.
      3    Copyright (C) 1992, 1998 Free Software Foundation, Inc.
      4    NOTE: The canonical source of this file is maintained with the GNU cpio.
      5 
      6    The GNU C Library is free software; you can redistribute it and/or
      7    modify it under the terms of the GNU Lesser General Public
      8    License as published by the Free Software Foundation; either
      9    version 2.1 of the License, or (at your option) any later version.
     10 
     11    The GNU C Library is distributed in the hope that it will be useful,
     12    but WITHOUT ANY WARRANTY; without even the implied warranty of
     13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14    Lesser General Public License for more details.
     15 
     16    You should have received a copy of the GNU Lesser General Public
     17    License along with the GNU C Library; if not, write to the Free
     18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     19    02111-1307 USA.  */
     20 
     21 #ifndef _CPIO_H
     22 #define _CPIO_H 1
     23 
     24 /* A cpio archive consists of a sequence of files.
     25    Each file has a 76 byte header,
     26    a variable length, NUL terminated filename,
     27    and variable length file data.
     28    A header for a filename "TRAILER!!!" indicates the end of the archive.  */
     29 
     30 /* All the fields in the header are ISO 646 (approximately ASCII) strings
     31    of octal numbers, left padded, not NUL terminated.
     32 
     33    Field Name	Length in Bytes	Notes
     34    c_magic	6		must be "070707"
     35    c_dev	6
     36    c_ino	6
     37    c_mode	6		see below for value
     38    c_uid	6
     39    c_gid	6
     40    c_nlink	6
     41    c_rdev	6		only valid for chr and blk special files
     42    c_mtime	11
     43    c_namesize	6		count includes terminating NUL in pathname
     44    c_filesize	11		must be 0 for FIFOs and directories  */
     45 
     46 /* Value for the field `c_magic'.  */
     47 #define MAGIC	"070707"
     48 
     49 /* Values for c_mode, OR'd together: */
     50 
     51 #define C_IRUSR		000400
     52 #define C_IWUSR		000200
     53 #define C_IXUSR		000100
     54 #define C_IRGRP		000040
     55 #define C_IWGRP		000020
     56 #define C_IXGRP		000010
     57 #define C_IROTH		000004
     58 #define C_IWOTH		000002
     59 #define C_IXOTH		000001
     60 
     61 #define C_ISUID		004000
     62 #define C_ISGID		002000
     63 #define C_ISVTX		001000
     64 
     65 #define C_ISBLK		060000
     66 #define C_ISCHR		020000
     67 #define C_ISDIR		040000
     68 #define C_ISFIFO	010000
     69 #define C_ISSOCK	0140000
     70 #define C_ISLNK		0120000
     71 #define C_ISCTG		0110000
     72 #define C_ISREG		0100000
     73 
     74 #endif /* cpio.h */
     75