/* Header
Offset   Length   Contents
  0    100 bytes  File name ('\0' terminated, 99 maxmum length)
100      8 bytes  File mode (in octal ascii)
108      8 bytes  User ID (in octal ascii)
116      8 bytes  Group ID (in octal ascii)
124     12 bytes  File size (s) (in octal ascii)
136     12 bytes  Modify time (in octal ascii)
148      8 bytes  Header checksum (in octal ascii)
156      1 bytes  Link flag
157    100 bytes  Linkname ('\0' terminated, 99 maxmum length)
257      8 bytes  Magic ("ustar  \0")
265     32 bytes  User name ('\0' terminated, 31 maxmum length)
297     32 bytes  Group name ('\0' terminated, 31 maxmum length)
329      8 bytes  Major device ID (in octal ascii)
337      8 bytes  Minor device ID (in octal ascii)
345    167 bytes  Padding
512   (s+p)bytes  File contents (s+p) := (((s) + 511) & ~511), round up to 512 bytes
*/




/* The linkflag defines the type of file */
#define  LF_OLDNORMAL '\0'       /* Normal disk file, Unix compatible */
#define  LF_NORMAL    '0'        /* Normal disk file */
#define  LF_LINK      '1'        /* Link to previously dumped file */
#define  LF_SYMLINK   '2'        /* Symbolic link */
#define  LF_CHR       '3'        /* Character special file */
#define  LF_BLK       '4'        /* Block special file */
#define  LF_DIR       '5'        /* Directory */
#define  LF_FIFO      '6'        /* FIFO special file */
#define  LF_CONTIG    '7'        /* Contiguous file */