Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

System Functions (s and S) stat64(2)
st_uid User ID.
Values for OSS objects are listed next. Values for Guardian objects are
described in Use on Guardian Objects, later in this reference page.
For Contains
Regular file User ID of the file owner
Directory User ID of the file owner
FIFO User ID of the file owner
AF_UNIX socket User ID of the creator of the socket file
/dev/null User ID of the super ID
/dev/tty User ID of the super ID
st_gid Group ID.
Values for OSS objects are listed next. Values for Guardian objects are
described in Use on Guardian Objects, later in this reference page.
For Contains
Regular file Group ID of the file group
Directory Group ID of the file group
FIFO Group ID of the file group
AF_UNIX socket Group ID of the creator of the socket file
/dev/null Group ID of the super ID
/dev/tty Group ID of the super ID
st_basemode If the st_acl flag is set, contains the permissions for the file owner, owning
group, and others. If the st_acl flag is not set, st_basemode is 0 (zero).
st_rdev Remote device ID.
Values for OSS objects are listed next. Values for Guardian objects are
described in Use on Guardian Objects, later in this reference page.
For Contains
Regular file Undefined
Directory Undefined
FIFO Undefined
AF_UNIX socket 0 (zero)
/dev/null Undefined
/dev/tty ID of the device
st_size File size.
Values for OSS objects are listed next. Values for Guardian objects are
described in Use on Guardian Objects, later in this reference page.
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