utmpx(4)                                                           utmpx(4)


   NAME
         utmpx, wtmpx - utmpx and wtmpx entry formats

   SYNOPSIS
         #include <utmpx.h>

   DESCRIPTION
         utmpx(4) is an extended version of utmp(4).

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

         #define   UTMPXFILE   "/var/adm/utmpx"
         #define   WTMPXFILE   "/var/adm/wtmpx"
         #define   utname    utuser
         #define   utxtime   uttv.tvsec

         struct utmpx  {
            char   utuser[32];           /* user login name */
            char   utid[4];              /* inittab id */
            char   utline[32];           /* device name (console, lnxx) */
            pidt  utpid;                /* process id */
            short  uttype;               /* type of entry */
            struct exitstatus utexit;   /* process termination/exit status */
            struct timeval uttv;         /* time entry was made */
            long   utsession;            /* session ID, used for windowing */
            long   pad[5];                /* reserved for future use */
            short  utsyslen;             /* significant length of uthost */
                                          /*   including terminating null */
            char   uthost[257];          /* remote host name */
           } ;

                                                /* Definitions for uttype */

         #define   EMPTY          0
         #define   RUNLVL        1
         #define   BOOTTIME      2
         #define   OLDTIME       3
         #define   NEWTIME       4
         #define   INITPROCESS   5  /* Process spawned by "init" */
         #define   LOGINPROCESS  6  /* A "getty" process waiting for login */
         #define   USERPROCESS   7  /* A user process */
         #define   DEADPROCESS   8
         #define   ACCOUNTING     9

         #define   UTMAXTYPE      REMOTEPROCESS  /* Largest legal value of uttype */

         /*     Special strings or formats used in the "utline" field when    */
         /*     accounting for something other than a process.                 */
         /*     No string for the utline field can be more than 11 chars +    */


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   utmpx(4)                                                           utmpx(4)


         /*     a null character in length.                                    */

         #define   RUNLVLMSG     "run-level %c"
         #define   BOOTMSG       "system boot"
         #define   OTIMEMSG      "old time"
         #define   NTIMEMSG      "new time"
         #define   MODWIN        10

   FILES
         /var/adm/utmpx
         /var/adm/wtmpx

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






































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