Copyright (C) 1994, Digital Equipment Corp.
File: Uutmp.i3
INTERFACE** <utmp.h> **Uutmp ; FROM Ctypes IMPORT char, char_star, long, short; FROM Utypes IMPORT pid_t, time_t;
* Structure of utmp and wtmp files. *
CONST
(* Constants for the ut_type field : *)
UT_UNKNOWN = 0;
(* Size of user name *)
UT_NAMESIZE = 8;
(* Other things *)
RUN_LVL = 1;
BOOT_TIME = 2;
NEW_TIME = 3;
OLD_TIME = 4;
INIT_PROCESS = 5;
LOGIN_PROCESS = 6;
USER_PROCESS = 7;
DEAD_PROCESS = 8;
TYPE
struct_utmp = RECORD
ut_type : short; (* type of login *)
ut_pid : pid_t; (* pid of login process *)
ut_line : ARRAY [0..11] OF char; (* name of tty - "/dev", null-term *)
ut_id : ARRAY [0..1] OF char; (* abbrev. ttyname, as 01, s1, etc *)
ut_time : time_t; (* login time *)
ut_user : ARRAY [0..UT_NAMESIZE-1] OF char; (* user id *)
ut_host : ARRAY [0..15] OF char; (* host name, if remote *)
ut_addr : long (* IP addr of remote host *)
END;
CONST
UTMP_FILE = "/etc/utmp";
WTMP_FILE = "/var/adm/wtmp";
UTMP_FILEMNAME = UTMP_FILE;
WTMP_FILENAME = WTMP_FILE;
Special strings or formats used in the ut_line field when
accounting for something other than a process.
No string for the ut_line field can be more than 7 chars +
a NULL in length.
These constants may not be used under Linux - use ut_type and the constants specified above for this purpose instead
EMPTY = ""; BOOT_MSG = "~"; OTIME_MSG = "|"; NTIME_MSG = "}";** getlogin(3) **
<*EXTERNAL*> PROCEDURE getlogin (): char_star; END Uutmp.