NAME

inode − format of an i-node

SYNOPSIS

#include <sys/types.h>
#include <sys/ino.h>

DESCRIPTION

An i-node for a plain file or directory in a file system has the following structure defined by <sys/ino.h>.

 /∗Inode structure as it appears on a disk block.  ∗/
 structdinode
{
ushortdi_mode;/∗ mode and type of file ∗/
shortdi_nlink;    /∗ number of links to file ∗/
ushortdi_uid;      /∗ owner’s user id ∗/
ushortdi_gid;      /∗ owner’s group id ∗/
off_tdi_size;     /∗ number of bytes in file ∗/
char  di_addr[39];/∗ disk block addresses ∗/
chardi_gen;/∗ file generation number ∗/
time_tdi_atime;   /∗ time last accessed ∗/
time_tdi_mtime;   /∗ time last modified ∗/
time_tdi_ctime;   /∗ time created ∗/
};
/∗
 ∗ The 39 address bytes: 13 addresses of 3 bytes each.
 ∗
 ∗ The 40’th byte is used as generation count to allow detection of
 ∗ the disk inode being reused.
 ∗/

For the meaning of the defined types off_t and time_t see types(5).

SEE ALSO

fs(4), stat(2), types(5)

September 02, 1992