UTMP(4-SVR4)        RISC/os Reference Manual         UTMP(4-SVR4)



NAME
     utmp, wtmp - utmp and wtmp entry formats

SYNOPSIS
     #include <utmp.h>

DESCRIPTION
     These files, which hold user and accounting information for
     such commands as who, write, and login, have the following
     structure, defined in <utmp.h>:

     #define UTMP_FILE   "/var/adm/utmp"
     #define WTMP_FILE   "/var/adm/wtmp"
     #define ut_name     ut_user

     struct     utmp {
        char    ut_user[8];      /* user login name */
        char    ut_id[4];        /* /sbin/inittab id (created by */
                                 /* process that puts entry in utmp) */
        char    ut_line[12];     /* device name (console, lnxx) */
        short   ut_pid;          /* process id */
        short   ut_type;         /* type of entry */
        struct  exit_status {
           short  e_termination; /* process termination status */
           short  e_exit;        /* process exit status */
        } ut_exit;               /* exit status of a process
                                  * marked as DEAD_PROCESS */
        time_t  ut_time;         /* time entry was made */
     };

     /*  Definitions for ut_type  */
     #define EMPTY         0
     #define RUN_LVL       1
     #define BOOT_TIME     2
     #define OLD_TIME      3
     #define NEW_TIME      4
     #define INIT_PROCESS  5   /* process spawned by "init" */
     #define LOGIN_PROCESS 6   /* a "getty" process waiting for login */
     #define USER_PROCESS  7   /* a user process */
     #define DEAD_PROCESS  8
     #define ACCOUNTING    9
     #define UTMAXTYPE     ACCOUNTING /* max legal value of ut_type */

     /*  Below are 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 11 chars +  */
     /*  a null character in length.  */

     #define RUNLVL_MSG  "run-level %c"
     #define BOOT_MSG    "system boot"
     #define OTIME_MSG   "old time"
     #define NTIME_MSG   "new time"



                        Printed 11/19/92                   Page 1

UTMP(4-SVR4)        RISC/os Reference Manual         UTMP(4-SVR4)



FILES
     /var/adm/utmp
     /var/adm/wtmp

SEE ALSO
     getut(3C).
     login(1), who(1), write(1) in the User's Reference Manual.
















































 Page 2                 Printed 11/19/92