inode.h

Macros

IEXEC             X
IFALC             X
IFBLK             X
IFCHR             X
IFDIR             X
IFLRG             X
IFMT              X
IFREG             X
IREAD             X
ISUID             X
ISVTX             X
IWRITE            X

struct's

inode             X

   1: /* inode structure of version 6 Unix filesystem		*/
   2: struct  inode
   3: {
   4:     int flags;
   5:     char    nlinks;     /* reference count */
   6:     char    uid;        /*user id*/
   7:     char    gid;
   8:     char    size0;
   9:     int size1;
  10:     unsigned    addr[8];    /*block numbers*/
  11:     int actime[2];
  12:     int modtime[2];
  13: };
  14: 
  15: /* modes */
  16: #define IFMT    0170000     /* type of file */
  17: #define IFALC   0100000     /* allocated */
  18: #define IFDIR   0040000     /* directory */
  19: #define IFCHR   0020000     /* character special */
  20: #define IFBLK   0060000     /* block special */
  21: #define IFREG   0000000     /* regular */
  22: #define IFLRG   0010000     /* large file */
  23: #define ISUID   04000       /* set user id on execution */
  24: #define ISVTX   01000       /* save swapped text even after use */
  25: #define IREAD   0400        /* read, write, execute permissions */
  26: #define IWRITE  0200
  27: #define IEXEC   0100